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CHANGELOG
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# Nmap Changelog ($Id$); -*-text-*-
4.20ALPHA5
o Worked with Zhao to improve the new OS detection system with
better algorithms, some probe changes, and some bug fixes. We're
now ready to start growing the new database! If Nmap gives you
fingerprints, please submit them at the given URL.
o Nmap now supports IP options with the new --ip-options flag. You
can specify any optiosn in hex, or use "R" (record route), "T"
(record timestamp), "U") (record route & timestamp), "S [route]"
(strict source route), or "L [route]" (loose source route). Specify
--packet-trace to display IP options of responses. For further
information and examples, see http://insecure.org/nmap/man/ and
http://seclists.org/nmap-dev/2006/q3/0052.html . Thanks to Marek
Majkowski for writing and sending the patch.
o Integrated all 2nd quarter service detection fingerprint
submissions. Please keep them coming! We now have 3,671 signatures
representing 415 protocols. Thanks to version detection czar Doug
Hoyte for doing this.
o Nmap now uses the (relatively) new libpcap pcap_get_selectable_fd
API on systems which support it. This means that we no longer need
to hack the included Pcap to better support Linux. So Nmap will now
link with an existing system libpcap by default on that platform if
one is detected. Thanks to Doug Hoyte for the patch.
o Updated the included libpcap from 0.9.3 to 0.9.4. The changes I
made are in libpcap/NMAP_MODIFICATIONS . By default, Nmap will now
use the included libpcap unless version 0.9.4 or greater is already
installed on the system.
o Applied some nsock bugfixes from Diman Todorov. These don't affect
the current version of Nmap, but are important for his Nmap
Scripting Engine, which I hope to integrate into mainline Nmap in
September.
o Fixed a bug which would occasionally cause Nmap to crash with the
message "log_vwrite: write buffer not large enough". I thought I
conquered it in a previous release -- thanks to Doug Hoyte for finding a
corner case which proved me wrong.
o Fixed a bug in the rDNS system which prevented us from querying
certain authoritative DNS servers which have recursion explicitly
disabled. Thanks to Doug Hoyte for the patch.
o --packet-trace now reports TCP options (thanks to Zhao Lei for the
patch). Thanks to the --ip-options addition also found in this
release, IP options are printed too.
o Cleaned up Nmap DNS reporting to be a little more useful and
concise. Thanks to Doug Hoyte for the patch.
o Applied a bunch of small internal cleanup patches by Kris Katterjohn
(kjak(a)ispwest.com).
o Fixed the 'distclean' make target to be more comprehensive. Thanks
to Thomas Buchanan (Thomas.Buchanan(a)thecompassgrp.net) for the
patch.
Nmap 4.20ALPHA4
o Nmap now provides progress statistics in the XML output in verbose
mode. Here are some examples of the format (etc is "estimated time
until completion) and times are in UNIX time_t (seconds since 1970) format:
<taskbegin task="SYN Stealth Scan" time="1151384685" />
<taskprogress task="SYN Stealth Scan" time="1151384715"
percent="13.85" remaining="187" etc="1151384902" />
<taskend task="SYN Stealth Scan" time="1151384776" />
<taskbegin task="Service scan" time="1151384776" />
<taskend task="Service scan" time="1151384788" />
Thanks to Adam Vartanian (flooey(a)gmail.com) for the patch.
o Updated the Windows installer to give an option checkbox for
performing the Nmap performance registry changes. The default is to
do so. Thanks to Adam Vartanian (flooey(a)gmail.com) for the patch.
o Applied several code cleanup patches from Marek Majkowski.
o Added --release-memory option, which causes Nmap to release all
accessible memory buffers before quitting (rather than let the OS do
it). This is only useful for debugging memory leaks.
o Fixed a bug related to bogus completion time estimates when you
request an estimate (through runtime interaction) right when Nmap is
starting.a subsystem (such as a port scan or version detection).
Thanks to Diman Todorov for reporting the problem and Doug Hoyte for
writing a fix.
o Nmap no longer gets random numbers from OpenSSL when it is available
because that turned out to be slower than Nmap's other methods
(e.g. /dev/urandom on Linux, /dev/arandom on OpenBSD, etc.). Thanks
to Marek Majkowski for reporting the problem.
o Updated the Windows binary distributions (self-installer and .zip)
to include the new 2nd generation OS detection DB (nmap-os-db).
Thanks to Sina Bahram for reporting the problem.
o Fixed the --max-retries option, which wasn't being honored. Thanks
to Jon Passki (jon.passki(a)hursk.com) for the patch.
Nmap 4.20ALPHA3
o Added back Win32 support thanks to a patch by kx
o Fixed the English translation of TCP sequence difficulty reported by
Brandon Enright, and also removed fingerprint printing for 1st
generation fingerprints (I don't really want to deal with those
anymore). Thanks to Zhao Lei for writing this patch.
o Fix a problem which caused OS detection to be done in some cases
even if the user didn't request it. Thanks to Diman Todorov for the
fix.
Nmap 4.20ALPHA2
o Included nmap-os-db (the new OS detection DB) within the release.
Oops! Thanks to Brandon Enright (bmenrigh(a)ucsd.edu) for catching
this problem with 4.20ALPHA1.
o Added a fix for the crash in the new OS detection which would come
with the message "Probe doesn't exist! Probe type: 1. Probe subid: 1"
Nmap 4.20ALPHA1
o Integrated initial 2nd generation OS detection patch! The system is
documented at http://insecure.org/nmap/osdetect/ . Thanks to Zhao Lei
for helping with the coding and design.
o portlist.cc was refactored to remove some code duplication. Thanks
to Diman Todorov for the patch.
Nmap 4.11
o Added a dozens of more detailed SSH version detection signatures, thanks
to a SSH huge survey and integration effort by Doug Hoyte. The
results of his large-scale SSH scan are posted at
http://seclists.org/nmap-dev/2006/Apr-Jun/0393.html .
o Fixed the Nmap Makefile (actually Makefile.in) to correctly handle
include file dependencies. So if a .h file is changed, all of the
.cc files which depend on it will be recompiled. Thanks to Diman
Todorov (diman(a)xover.mud.at) for the patch.
o Fixed a compilation problem on solaris and possibly other platforms.
The error message looked like "No rule to make target `inet_aton.o',
needed by `libnbase.a'". Thanks to Matt Selsky
(selsky(a)columbia.edu) for the patch.
o Applied a patch which helps with HP-UX compilation by linking in the
nm library (-lnm). Thanks to Zakharov Mikhail
(zmey20000(a)yahoo.com) for the patch.
o Added version detection probes for detecting the Nessus daemon.
Thanks to Adam Vartanian (flooey(a)gmail.com) for sending the patch.
Nmap 4.10
o Updated nmap-mac-prefixes to reflect the latest OUI DB from the IEEE
(http://standards.ieee.org/regauth/oui/oui.txt) as of May 31, 2006.
Also added a couple unregistered OUI's (for QEMU and Bochs)
suggested by Robert Millan (rmh(a)aybabtu.com).
o Fixed a bug which could cause false "open" ports when doing a UDP
scan of localhost. This usually only happened when you scan tens of
thousands of ports (e.g. -p- option).
o Fixed a bug in service detection which could lead to a crash when
"--version-intensity 0" was used with a UDP scan. Thanks to Makoto
Shiotsuki (shio(a)st.rim.or.jp) for reporting the problem and Doug
Hoyte for producing a patch.
o Made some AIX and HP-UX portability fixes to Libdnet and NmapFE.
These were sent in by Peter O'Gorman
(nmap-dev(a)mlists.thewrittenword.com).
o When you do a UDP+TCP scan, the TCP ports are now shown first (in
numerical order), followed by the UDP ports (also in order). This
contrasts with the old format which showed all ports together in
numerical order, regardless of protocol. This was at first a "bug",
but then I started thinking this behavior may be better. If you
have a preference for one format or the other, please post your
reasons to nmap-dev.
o Changed mass_dns system to print a warning if it can't find any
available DNS servers, but not quit like it used to. Thanks to Doug
Hoyte for the patch.
Nmap 4.04BETA1
o Integrated all of your submissions (about a thousand) from the first
quarter of this year! Please keep 'em coming! The DB has increased
from 3,153 signatures representing 381 protocols in 4.03 to 3,441
signatures representing 401 protocols. No other tool comes close!
Many of the already existing match lines were improved too. Thanks
to Version Detection Czar Doug Hoyte for doing this.
o Nmap now allows multiple ignored port states. If a 65K-port scan
had, 64K filtered ports, 1K closed ports, and a few dozen open
ports, Nmap used to list the dozen open ones among a thousand lines
of closed ports. Now Nmap will give reports like "Not shown: 64330
filtered ports, 1000 closed ports" or "All 2051 scanned ports on
192.168.0.69 are closed (1051) or filtered (1000)", and omit all of
those ports from the table. Open ports are never ignored. XML
output can now have multiple <extraports> directive (one for each
ignored state). The number of ports in a single state before it is
consolidated defaults to 26 or more, though that number increases as
you add -v or -d options. With -d3 or higher, no ports will be
consolidated. The XML output should probably be augmented to give
the extraports directive 'ip', 'tcp', and 'udp' attributes which
specify the corresponding port numbers in the given state in the
same listing format as the nmaprun.scaninfo.services attribute, but
that part hasn't yet been implemented. If you absoultely need the
exact port numbers for each state in the XML, use -d3 for now.
o Nmap now ignores certain ICMP error message rate limiting (rather
than slowing down to accomidate it) in cases such as SYN scan where
an ICMP message and no response mean the same thing (port filtered).
This is currently only done at timing level Aggressive (-T4) or
higher, though we may make it the default if we don't hear problems
with it. In addition, the --defeat-rst-ratelimit option has been
added, which causes Nmap not to slow down to accomidate RST rate
limits when encountered. For a SYN scan, this may cause closed
ports to be labeled 'filtered' becuase Nmap refused to slow down
enough to correspond to the rate limiting. Learn more about this
new option at http://www.insecure.org/nmap/man/ . Thanks to Martin
Macok (martin.macok(a)underground.cz) for writing the patch that
these changes were based on.
o Moved my Nmap development environment to Visual C++ 2005 Express
edition. In typical "MS Upgrade Treadmill" fashion, Visual Studio
2003 users will no longer be able to compile Nmap using the new
solution files. The compilation, installation, and execution
instructions at
http://www.insecure.org/nmap/install/inst-windows.html have been
upgraded.
o Automated my Windows build system so that I just have to type a
single make command in the mswin32 directory. Thanks to Scott
Worley (smw(a)pobox.com>, Shane & Jenny Walters
(yfisaqt(a)waltersinamerica.com), and Alex Prinsier
(aphexer(a)mailhaven.com) for reading my appeal in the 4.03
CHANGELOG and assisting.
o Changed the PortList class to use much more efficient data
structures and algorithms which take advantage of Nmap-specific
behavior patterns. Thanks to Marek Majkowski
(majek(a)forest.one.pl) for the patch.
o Fixed a bug which prevented certain TCP+UDP scan commands, such as
"nmap -sSU -p1-65535 localhost" from scanning both TCP and UDP.
Instead they gave the error message "WARNING: UDP scan was requested,
but no udp ports were specified. Skipping this scan type". Thanks to
Doug Hoyte for the patch.
o Nmap has traditionally required you to specify -T* timing options
before any more granular options like --max-rtt-timeout, otherwise the
general timing option would overwrite the value from your more
specific request. This has now been fixed so that the more specific
options always have precendence. Thanks to Doug Hoyte for this patch.
o Fixed a couple possible memory leaks reported by Ted Kremenek
(kremenek(a)cs.stanford.edu) from the Stanford University sofware
static analysis lab ("Checker" project).
o Nmap now prints a warning when you specify a target name which
resolves to multiple IP addresses. Nmap proceeds to scan only the
first of those addresses (as it always has done). Thanks to Doug
Hoyte for the patch. The warning looks like this:
Warning: Hostname google.com resolves to 3 IPs. Using 66.102.7.99.
o Disallow --host-timeout values of less than 1500ms, print a warning
for values less than 15s.
o Changed all instances of inet_aton() into calls to inet_pton()
instead. This allowed us to remove inet_aton.c from nbase. Thanks to
KX (kxmail(a)gmail.com) for the patch.
o When debugging (-d) is specified, Nmap now prints a report on the
timing variables in use. Thanks to Doug Hoyte for the patch. The
report loos like this:
---------- Timing report ----------
hostgroups: min 1, max 100000
rtt-timeouts: init 250, min 50, max 300
scan-delay: TCP 5, UDP 1000
parallelism: min 0, max 0
max-retries: 2, host-timeout 900000
-----------------------------------
o Modified the WinPcap installer file to explicitly uninstall an
existing WinPcap (if you select that you wish to replace it) rather
than just overwriting the old version. Thanks to Doug Hoyte for
making this change.
o Added some P2P application ports to the nmap-services file. Thanks
to Martin Macok for the patch.
o The write buffer length increased in 4.03 was increased even further
when the debugging or verbosity levels are more than 2 (e.g. -d3).
Thanks to Brandon Enright (bmenrigh(a)ucsd.edu) for the patch. The
goal is to prevent you from ever seeing the fatal error:
"log_vwrite: write buffer not large enough -- need to increase"
o Added a note to the Nmap configure dragon that people sick of him
can submit their own ASCII art to nmap-dev@insecure.org . If you
are wondering WTF I am talking about, it is probably because only
most elite Nmap users -- the ones who compile from source on UNIX --
get to see the 'l33t ASCII Art.
Nmap 4.03
o Updated the LibPCRE build system to add the -fno-thread-jumps option
to gcc when compiling on the new Intel-based Apple Mac OS X systems.
Hopefully this resolves the version detection crashes that several
people have reported on such systems. Thanks to Kurt Grutzmacher
(grutz(a)jingojango.net) for sending the configure.ac patch.
o Made some portability fixes to keep Nmap compiling with the newest
Visual Studio 2005. Thanks to KX (kxmail(a)gmail.com) for
suggesting them.
o Service fingerprints are now provided in the XML output whenever
they would appear in the interactive output (i.e. when a service
response with data but is unrecognized). They are shown in a new
'servicefp' attribute to the 'service' tag. Thanks to Brandon Enright
(bmenrigh(a)ucsd.edu) for sending the patch.
o Improved the Windows build system -- mswin32/Makefile now takes care
of packaging Nmap and creating the installers once Visual Studio (GUI)
is done building the Release version of mswin32/nmap.sln. If someone
knows how to do this (build) step on the command line (using the
Makefile), please let me know. Or if you know how to at least make
'Release' (rather than Debug) the default configuration, that would be
valuable.
o WinPcap 3.1 binaries are now shipped in the Nmap tarball, along with
a customized installer written by Doug Hoyte. That new WinPcap
installer is now used by the Nmap self-installer (if you request
WinPcap installation). Some Nmap users were uncomfortable with a
"phone home" feature of the official WinPcap installer. It connects
back to CACE Technologies, ostensibly to display news and (more
recently) advertisements. Our new installer omits that feature, but
should be otherwise perfectly compatible with WinPcap 3.1.
o Fixed (I hope) a problem where aggressive --min-parallelization
option values could cause Nmap to quit with the message "box(300, 100,
15) called (min,max,num)". Thanks to Richard van den Berg
(richard.vandenberg(a)ins.com) for reporting the problem.
o Fixed a rare crash bug thanks to a report and patch from Ganga
Bhavani (GBhavani(a)everdreamcorp.com)
o Increased a write buffer length to keep Nmap from quitting with the
message "log_vwrite: write buffer not large enough -- need to
increase". Thanks to Dave (dmarcher(a)pobox.com) for reporting the
issue.
Nmap 4.02ALPHA2
o Updated to a newer XSL stylesheet (for XML to HTML output
transformation) by Benjamin Erb. This new version includes IP
address sorting, removal of javascript requirements, some new
address, hostname, and Nmap version information, and various minor
tweaks and fixes.
o Cleaned up the Amiga port code to use atexit() rather than the
previous macro hack. Thanks to Kris Katterjohn (kjak(a)ispwest.com)
for the patch. Applied maybe half a dozen new other code cleanup
patches from him as well.
o Made some changes to various Nmap initialization functions which
help ALT Linux (altlinux.org) and Owl (openwall.com) developers run
Nmap in a chroot environment. Thanks to Dmitry V. Levin
(ldv(a)altlinux.org) for the patch.
o Cleaned up the code a bit by making a bunch (nearly 100) global
symbols (mostly function calls) static. I was also able to removed
some unused functions and superfluous config.h.in defines. Thanks
to Dmitry V. Levin (ldv(a)altlinux.org) for sending a list of
candidate symbols.
o Nmap now tests for the existence of data files using stat(2) rather
than testing whether they can be opened for reading (with fopen).
This is because some device files (tape drives, etc.) may react badly
to being opened at all. Thanks to Dmitry V. Levin
(ldv(a)altlinux.org) for the suggestion.
o Changed Nmap to cache interface information rather than opening and
closing it (with dnet's eth_open and eth_close functions) all the
time.
o Applied a one-character Visual Studio 2005 compatibility patch from
kx (kxmail(a)gmail.com). It changed getch() into _getch() on Windows.
Nmap 4.02ALPHA1
o Added the --log-errors option, which causes most warnings and error
messages that are printed to interactive-mode output (stdout/stderr)
to also be printed to the normal-format output file (if you
specified one). This will not work for most errors related to bad
command-line arguments, as Nmap may not have initialized its output
files yet. In addition, some Nmap error/warning messages use a
different system that does not yet support this option.
o Rewrote much of the Nmap results output functions to be more
efficient and support --log-errors.
o Fixed a flaw in the scan engine which could (in rare cases)
lead to a deadlock situation that prevents a scan from completing.
Thanks to Ganga Bhavani (GBhavani(a)everdreamcorp.com) for reporting
and helping to debug the problem.
o If the pcap_open_live() call (initiates sniffing) fails, Nmap now
tries up to two more times after waiting a little while. This is
attempt to work around a rare bug on Windows in which the
pcap_open_live() fails for unknown reasons.
o Fixed a flaw in the runtime interaction in which Nmap would include
hosts currently being scanned in the number of hosts "completed"
statistic.
o Fixed a crash in OS scan which could occur on Windows when a DHCP
lease issue causes the system to lose its IP address. Nmap still
quits, but at least it gives a proper error message now. Thanks to
Ganga Bhavani (GBhavani(a)everdreamcorp.com) for the patch.
o Applied more than half a dozen small code cleanup patches from
Kris Katterjohn (kjak(a)ispwest.com).
o Modified the configure script to accept CXX when specified as an
absolute path rather than just the executable name. Thanks to
Daniel Roethlisberger (daniel(a)roe.ch) for this patch.
Nmap 4.01
o Fixed a bug that would cause bogus reverse-DNS resolution on
big-endian machines. Thanks to Doug Hoyte, Seth Miller, Tony Doan,
and Andrew Lutomirsky for helping to debug and patch the problem.
o Fixed an important memory leak in the raw ethernet sending system.
Thanks to Ganga Bhavani (GBhavani(a)everdreamcorp.com) for
identifying the bug and sending a patch.
o Fixed --system-dns option so that --system_dns works too. Error
messages were changed to reflect the former (preferred) name.
Thanks to Sean Swift (sean.swift(a)bradford.gov.uk) and Peter
VanEeckhoutte (Peter.VanEeckhoutte(a)saraleefoodseurope.com) for
reporting the problem.
o Fixed a crash which would report this message:
"NmapOutputTable.cc:143: void NmapOutputTable::addItem(unsigned int,
unsigned int, bool, const char*, int): Assertion `row < numRows'
failed." Thanks to Jake Schneider (Jake.Schneider(a)dynetics.com) for
reporting and helping to debug the problem.
o Whenever Nmap sends packets with the SYN bit set (except for OS
detection), it now includes the maximum segment size (MSS) tcp
option with a value of 1460. This makes it stand out less as almost
all hosts set at least this option. Thanks to Juergen Schmidt
(ju(a)heisec.de) for the suggestion.
o Applied a patch for a Windows interface reading bug in the aDNS
subsystem from Doug Hoyte.
o Minor changes to recognize DragonFly BSD in configure
scripts. Thanks to Joerg Sonnenberger (joerg(a)britannica.bec.de)
for sending the patch.
o Fixed a minor bug in an error message starting with "eth_send of ARP
packet returned". Thanks to J.W. Hoogervorst
(J.W.Hoogervorst(a)uva.nl) for finding this.
Nmap 4.00
o Added the '?' command to the runtime interaction system. It prints a
list of accepted commands. Thanks to Andrew Lutomirski
(luto(a)myrealbox.com) for the patch.
o See the announcement at
http://www.insecure.org/stf/Nmap-4.00-Release.html for high-level
changes since 3.50.
Nmap 3.9999
o Generated a new libpcre/configure to cope with changes in LibPCRE
6.4
o Updated nmap-mac-prefixes to reflect the latest OUI DB from the IEEE
(http://standards.ieee.org/regauth/oui/oui.txt)
o Updated nmap-protocols with the latest IEEE internet protocols
assignments (http://www.iana.org/assignments/protocol-numbers).
o Updated the Nmap version number and related fields that MS Visual
Studio places in the binary. This was done by editing
mswin32/nmap.rc.
Nmap 3.999
o Added runtime interaction support to Windows, thanks to patches from
Andrew Lutomirski (luto(a)myrealbox.com) and Gisle Vanem (giva(a)bgnett.no).
o Changed a couple lines of tcpip.cc (put certain IP header fields in
host byte order rather than NBO) to (hopefully) support Mac OS X on
Intel. Thanks to Kurt Grutzmacher (grutz(a)jingojango.net) for the
patch.
o Upgraded the included LibPCRE from version 6.3 to 6.4. There was a
report of version detection crashes on the new Intel-based MACs with
6.3.
o Fixed an issue in which the installer would malfunction in rare
issues when installing to a directory with spaces in it. Thanks to
Thierry Zoller (Thierry(a)Zoller.lu) for the report.
Nmap 3.99
o Integrated all remaining 2005 service submissions. The DB now has
surpassed 3,000 signatures for the first time. There now are 3,153
signatures for 381 service protocols. Those protocols span the
gamut from abc, acap, afp, and afs to zebedee, zebra, and
zenimaging. It even covers obscure protocols such as http, ftp,
smtp, and ssh :). Thanks to Version Detection Czar Doug Hoyte for
his excellent work on this.
o Created a Windows executable installer using the open source NSIS
(Nullsoft Scriptable Install System). It handles Pcap installation,
registry performance changes, and adding Nmap to your cmd.exe
executable path. The installer source files are in mswin32/nsis/ .
Thanks to Google SoC student Bo Jiang (jiangbo(a)brandeis.edu) for
creating the initial version.
o Fixed a backward compatibility bug in which Nmap didn't recognize
the --min_rtt_timeout option (it only recognized the newly
hyphenated --min-rtt-timeout). Thanks to Joshua D. Abraham
(jabra(a)ccs.neu.edu) for the bug report.
o Fixed compilation to again work with gcc-derivatives such as
MingW. Thanks to Gisle Vanem (giva(a)bgnett.no) for sending the
patches
Nmap 3.98BETA1
o Added run time interaction as documented at
http://www.insecure.org/nmap/man/man-runtime-interaction.html .
While Nmap is running, you can now press 'v' to increase verbosity,
'd' to increase the debugging level, 'p' to enable packet tracing,
or the capital versions (V,D,P) to do the opposite. Any other key
(such as enter) will print out a status message giving the estimated
time until scan completion. This only works on UNIX for now. Do we
have any volunteers to add Windows support? You would need to
change a handful of UNIX-specific termio calls with the Windows
equivalents. This feature was created by Paul Tarjan
(ptarjan(a)stanford.edu) as part of the Google Summer of Code.
o Reverse DNS resolution is now done in parallel rather than one at a
time. All scans of large networks (particularly list, ping and
just-a-few-ports scans) should benefit substantially from this
change. If you encounter any problems, please let us know. The new
--system_dns option was added so you can use the (slow) system
resolver if you prefer that for some reason. You can specify a
comma separated list of DNS server IP addresses for Nmap to use with
the new --dns_servers option. Otherwise, Nmap looks in
/etc/resolve.conf (UNIX) or the system registry (Windows) to obtain
the nameservers already configured for your system. This excellent
patch was written by Doug Hoyte (doug(a)hcsw.org).
o Added the --badsum option, which causes Nmap to use invalid TCP or
UDP checksums for packets sent to target hosts. Since virtually all
host IP stacks properly drop these packets, any responses received
are likely coming from a firewall or IDS that didn't bother to
verify the checksum. For more details on this technique, see
http://www.phrack.org/phrack/60/p60-0x0c.txt . The author of that
paper, Ed3f (ed3f(a)antifork.org), is also the author of this patch
(which I changed it a bit).
o The 26 Nmap commands that previously included an underscore
(--max_rtt_timeout, --send_eth, --host_timeout, etc.) have been
renamed to use a hyphen in the preferred format
(i.e. --max-rtt-timeout). Underscores are still supported for
backward compatibility.
o More excellent NmapFE patches from Priit Laes (amd(a)store20.com)
were applied to remove all deprecated GTK API calls. This also
eliminates the annoying Gtk-Critical and Gtk-WARNING runtime messages.
o Changed the way the __attribute__ compiler extension is detected so
that it works with the latest Fedora Core 4 updates (and perhaps other
systems). Thanks to Duilio Protti (dprotti(a)fceia.unr.edu.ar) for
writing the patch. The compilation error message this fixes was
usually something like: "nmap.o(.rodata+0x17c): undefined reference
to `__gthrw_pthread_cancel(unsigned long)"
o Added some exception handling code to mswin32/winfix.cc to prevent
Nmap from crashing mysteriously when you have WinPcap 3.0 or earlier
(instead of the required 3.1). It now prints an error message instead
asking you to upgrade, then reduces functionality to connect()-only
mode. I couldn't get it working with the C++ standard try/catch()
blocks, but as soon as I used the nonstandard MS conventions
(__try/__except(), everything worked fine. Shrug.
o Stripped the firewall API out of the libdnet included with Nmap
because Nmap doesn't use it anyway. This saves space and reduces the
likelihood of compilation errors and warnings.
o Modified the previously useless --noninteractive option so that it
deactivates runtime interaction.
Nmap 3.96BETA1
o Added --max_retries option for capping the maximum number of
retransmissions the port scan engine will do. The value may be as low
as 0 (no retransmits). A low value can increase speed, though at the
risk of losing accuracy. The -T4 option now allows up to 6 retries,
and -T5 allows 2. Thanks to Martin Macok
(martin.macok(a)underground.cz) for writing the initial patch, which I
changed quite a bit. I also updated the docs to reflect this neat
new option.
o Many of the Nmap low-level timing options take a value in
milliseconds. You can now append an 's', 'm', or 'h' to the value
to give it in seconds, minutes, or hours instead. So you can specify a
45 minute host timeout with --host_timeout 45m rather than specifying
--host_timeout 2700000 and hoping you did the math right and have the
correct number of zeros. This also now works for the
--min_rtt_timeout, --max_rtt_timeout, --initial_rtt_timeout,
--scan_delay, and --max_scan_delay options.
o Improved the NmapFE port to GTK2 so it better-conforms to the new
API and you don't get as many annoying messages in your terminal
window. GTK2 is prettier and more functional too. Thanks to Priit
Laes (amd(a)store20.com) for writing these
excellent patches.
o Fixed a problem which led to the error message "Failed to determine
dst MAC address for target" when you try to run Nmap using a
dialup/PPP adapter on Windows rather than a real ethernet card. Due
to Microsoft breaking raw sockets, Nmap no longer supports dialup
adapters, but it should now give you a clearer error message than
the "dst MAC address" nonsense.
o Debian GNU/kFreeBSD is now supported thanks to a patch to libdnet's
configure.in by Petr Salinger (Petr.Salinger(a)t-systems.cz).
o Tried to update to the latest autoconf only to find that there
hasn't been a new version in more than two years :(. I was able to
find new config.sub and config.guess files at
http://cvs.savannah.gnu.org/viewcvs/config/config/ , so I updated to
those.
o Fixed a problem with the -e option when run on Windows (or UNIX with
--send_eth) when run on an ethernet network against an external
(routed) host. You would get the message "NmapArpCache() can only
take IPv4 addresses. Sorry". Thanks to KX (kxmail(a)gmail.com) for
helping to track down the problem.
o Made some changes to allow source port zero scans (-g0). Nmap used
to refuse to do this, but now it just gives a warning that it may not
work on all systems. It seems to work fine on my Linux box. Thanks
to Bill Dale (bill_dale(a)bellsouth.net) for suggesting this feature.
o Made a change to libdnet so that Windows interfaces are listed as
down if they are disconnected, unplugged, or otherwise unavailable.
o Ceased including foreign translations in the Nmap tarball as they
take up too much space. HTML versions can be found at
http://www.insecure.org/nmap/docs.html , while XML and NROFF versions
are available from http://www.insecure.org/nmap/data/man-xlate/ .
o Changed INSTALL and README-WIN32 files to mostly just reference the
new Nmap Install Guide at http://www.insecure.org/nmap/install/ .
o Included docs/nmap-man.xml in the tarball distribution, which is the
DocBook XML source for the Nmap man page. Patches to Nmap that are
user-visible should include patches to the man page XML source rather
than to the generated Nroff.
o Fixed Nmap so it doesn't crash when you ask it to resume a previous
scan, but pass in a bogus file rather than actual Nmap output. Thanks
to Piotr Sobolewski (piotr_sobolewski(a)o2.pl) for the fix.
Nmap 3.95
o Fixed a crash in IPID Idle scan. Thanks to Ron
(iago(a)valhallalegends.com>, Bakeman (bakeman(a)physics.unr.edu),
and others for reporting the problem.
o Fixed an inefficiency in RPC scan that could slow things down and
also sometimes resulted in the spurious warning message: "Unable to
find listening socket in get_rpc_results"
o Fixed a 3.94ALPHA3 bug that caused UDP scan results to be listed as
TCP ports instead. Thanks to Justin M Cacak (jcacak(a)nebraska.edu)
for reporting the problem.
Nmap 3.94ALPHA3
o Updated NmapFE to build with GTK2 rather than obsolete GTK1. Thanks
to Mike Basinger (dbasinge(a)speakeasy.net) and Meethune Bhowmick
(meethune(a)oss-institute.org) for developing the
patch. I made some changes as well to prevent compilation warnings.
The new NmapFE now seems to work, though I do get "Gtk-CRITICAL"
assertion error messages. If someone has time to look into this, that
would be appreciated.
o Fixed a compilation problem on Mac OS X and perhaps other platforms
with a one-line fix to scan_engine.cc. Thanks to Felix Gröbert
(felix(a)groebert.org) for notifying me of the problem.
o Fixed a problem that prevented the command "nmap -sT -PT <targets>"
from working from a non-privileged user account. The -PT option
doesn't change default behavior in this case, but Nmap should (and now
does) allow it.
o Applied another VS 2005 compatibility patch from KX (kxmail(a)gmail.com).
o Define INET_ADDRSTRLEN in tcpip.h if the system doesn't define it
for us. This apparently aids compilation on Solaris 2.6 and 7.
Thanks to Albert Chin (nmap-hackers(a)mlists.thewrittenword.com) for
sending the patch..
Nmap 3.94ALPHA2
o Put Nmap on a diet, with changes to the core port scanning routine
(ultra_scan) to substantially reduce memory consumption, particularly
when tens of thousands of ports are scanned.
o Fixed a problem with the -S and option on Windows reporting "Failed
to resolve/decode supposed IPv4 source address". The -D (decoy)
option was probably broken on that platform too. Thanks to KX
(kxmail(a)gmail.com) for reporting the problem and tracking down a
potential solution.
o Better handle ICMP type 3, code 0 (network unreachable) responses to
port scan packets. These are rarely seen when scanning hosts that
are actually online, but are still worth handling.
o Applied some small fixes so that Nmap compiles with Visual C++
2005 Express, which is free from Microsoft at
http://msdn.microsoft.com/vstudio/express/visualc/ . Thanks to KX
(kxmail(a)gmail.com) and Sina Bahram (sbahram(a)nc.rr.com)
o Removed foreign translations of the old man page from the
distribution. Included the following contributed translations
(nroff format) of the new man page:
Brazilian Portuguese by Lucien Raven (lucienraven(a)yahoo.com.br)
Portuguese (Portugal) by José Domingos (jd_pt(a)yahoo.com) and
Andreia Gaita (shana.ufie(a)gmail.com).
o Added --thc option (undocumented)
o Modified libdnet-stripped/src/eth-bsd.c to allow for up to 128 bpf
devices rather than 32. This prevents errors like "Failed to open
ethernet interface (fxp0)" when there are more than 32 interface
aliases. Thanks to Krok (krok(a)void.ru) for reporting the problem
and even sending a patch.
Nmap 3.94ALPHA1
o Wrote a new man page from scratch. It is much more comprehensive
(more than twice as long) and (IMHO) better organized than the
previous one. Read it online at http://www.insecure.org/nmap/man/
or docs/nmap.1 from the Nmap distribution. Let me know if you have
any ideas for improving it.
o Wrote a new "help screen", which you get when running Nmap without
arguments. It is also reproduced in the man page and at
http://www.insecure.org/nmap/data/nmap.usage.txt . I gave up trying
to fit it within a 25-line, 80-column terminal window. It is now 78
lines and summarizes all but the most obscure Nmap options.
o Version detection softmatches (when Nmap determines the service
protocol such as smtp but isn't able to determine the app name such as
Postfix) can now parse out the normal match line fields such as
hostname, device type, and extra info. For example, we may not know
what vendor created an sshd, but we can still parse out the protocol
number. This was a patch from Doug Hoyte (doug(a)hcsw.org).
o Fixed a problem which caused UDP version scanning to fail to print
the matched service. Thanks to Martin Macok
(martin.macok(a)underground.cz) for reporting the problem and Doug
Hoyte (doug(a)hcsw.org) for fixing it.
o Made the version detection "ports" directive (in
nmap-service-probes) more comprehensive. This should speed up scans a
bit. The patch was done by Doug Hoyte (doug(a)hcsw.org).
o Added the --webxml option, which does the same thing as
--stylesheet http://www.insecure.org/nmap/data/nmap.xsl , without
requiring you to remember the exact URL or type that whole thing.
o Fixed a crash occurred when the --exclude option was used with
netmasks on certain platforms. Thanks to Adam
(nmapuser(a)globalmegahost.com) for reporting the problem and to
Greg Darke (starstuff(a)optusnet.com.au) for sending a patch (I
modified the patch a bit to make it more efficient).
o Fixed a problem with the -S and -e options (spoof/set
source address, and set interface by name, respectively). The problem
report and a partial patch were sent by Richard Birkett
(richard(a)musicbox.net).
o Fixed a possible aliasing problem in tcpip.cc by applying a patch sent in by
Gwenole Beauchesne (gbeauchesne(a)mandriva.com). This problem
shouldn't have had any effect on users since we already include the
-fno-strict-aliasing option whenever gcc 4 is detected, but it
brings us closer to being able to remove that option.
o Fixed a bug that caused Nmap to crash if an nmap-service-probes file
was used which didn't contain the Exclude directive.
o Fixed a bunch of typos and misspellings throughout the Nmap source
code (mostly in comments). This was a 625-line patch by Saint Xavier
(skyxav(a)skynet.be).
o Nmap now accepts target list files in Windows end-of-line format (\r\n)
as well as standard UNIX format (\n) on all platforms. Passing a
Windows style file to Nmap on UNIX didn't work before unless you ran
dos2unix first.
o Removed Identd scan support from NmapFE since Nmap no longer
supports it. Thanks to Jonathan Dieter (jdieter99(a)gmx.net) for the
patch.
o Integrated all of the September version detection fingerprint
submissions. This was done by Version Detection Czar Doug Hoyte
(doug(a)hcsw.org) and resulted in 86 new match lines. Please keep
those submissions coming!
o Fixed a divide-by-zero crash when you specify rather bogus
command-line arguments (a TCP scan with zero tcp ports). Thanks to
Bart Dopheide (dopheide(a)fmf.nl) for identifying the problem and
sending a patch.
o Fixed a minor syntax error in tcpip.h that was causing problems with
GCC 4.1. Thanks to Dirk Mueller (dmuell(a)gmx.net) for reporting
the problem and sending a fix.
Nmap 3.93
o Modified Libpcap's configure.ac to compile with the
-fno-strict-aliasing option if gcc 4.X is used. This prevents
crashes when said compiler is used. This was done for Nmap in 3.90, but is
apparently needed for pcap too. Thanks to Craig Humphrey
(Craig.Humphrey(a)chapmantripp.com) for the discovery.
o Patched libdnet to include sys/uio.h in src/tun-linux.c. This is
apparently necessary on some Glibc 2.1 systems. Thanks to Rob Foehl
(rwf(a)loonybin.net) for the patch.
o Fixed a crash which could occur when a ridiculously short
--host_timeout was specified on Windows (or on UNIX if --send_eth was
specified). Nmap now also prints a warning if you specify a
host_timeout of less than 1 second. Thanks to Ole Morten Grodaas
(grodaas(a)gmail.com) for discovering the problem.
Nmap 3.91
o Fixed a crash on Windows when you -P0 scan an unused IP on a local
network (or a range that contains unused IPs). This could also
happen on UNIX if you specified the new --send_eth option. Thanks
to Jim Carras (JFCECL(a)engr.psu.edu) for reporting the problem.
o Fixed compilation on OpenBSD by applying a patch from Okan Demirmen
(okan(a)demirmen.com), who maintains Nmap in the OpenBSD Ports
collection.
o Updated nmap-mac-prefixes to include OUIs assigned by the IEEE since
April.
o Updated the included libpcre (used for version detection) from
version 4.3 to 6.3. A libpcre security issue was fixed in 6.3, but
that issue never affected Nmap.
o Updated the included libpcap from 0.8.3 to 0.9.3. I also changed
the directory name in the Nmap tarball from libpcap-possiblymodified
to just libpcap. As usual, the modifications are described in the
NMAP_MODIFICATIONS in that directory.
Nmap 3.90
o Added the ability for Nmap to send and properly route raw ethernet
packets containing IP datagrams rather than always sending the
packets via raw sockets. This is particularly useful for Windows,
since Microsoft has disabled raw socket support in XP for no good
reason. Nmap tries to choose the best method at runtime based on
platform, though you can override it with the new --send_eth and
--send_ip options.
o Added ARP scanning (-PR). Nmap can now send raw ethernet ARP requests to
determine whether hosts on a LAN are up, rather than relying on
higher-level IP packets (which can only be sent after a successful
ARP request and reply anyway). This is much faster and more
reliable (not subject to IP-level firewalling) than IP-based probes.
The downside is that it only works when the target machine is on the
same LAN as the scanning machine. It is now used automatically for
any hosts that are detected to be on a local ethernet network,
unless --send_ip was specified. Example usage: nmap -sP -PR
192.168.0.0/16 .
o Added the --spoof_mac option, which asks Nmap to use the given MAC
address for all of the raw ethernet frames it sends. The MAC given
can take several formats. If it is simply the string "0", Nmap
chooses a completely random MAC for the session. If the given
string is an even number of hex digits (with the pairs optionally
separated by a colon), Nmap will use those as the MAC. If less than
12 hex digits are provided, Nmap fills in the remainder of the 6
bytes with random values. If the argument isn't a 0 or hex string,
Nmap looks through the nmap-mac-prefixes to find a vendor name
containing the given string (it is case insensitive). If a match is
found, Nmap uses the vendor's OUI (3-byte prefix) and fills out the
remaining 3 bytes randomly. Valid --spoof_mac argument examples are
"Apple", "0", "01:02:03:04:05:06", "deadbeefcafe", "0020F2", and
"Cisco".
o Applied an enormous nmap-service-probes (version detection) update
from SoC student Doug Hoyte (doug(a)hcsw.org). Version 3.81 had
1064 match lines covering 195 service protocols. Now we have 2865
match lines covering 359 protocols! So the database size has nearly
tripled! This should make your -sV scans quicker and more
accurate. Thanks also go to the (literally) thousands of you who
submitted service fingerprints. Keep them coming!
o Applied a massive OS fingerprint update from Zhao Lei
(zhaolei(a)gmail.com). About 350 fingerprints were added, and many
more were updated. Notable additions include Mac OS X 10.4 (Tiger),
OpenBSD 3.7, FreeBSD 5.4, Windows Server 2003 SP1, Sony AIBO (along
with a new "robotic pet" device type category), the latest Linux 2.6
kernels Cisco routers with IOS 12.4, a ton of VoIP devices, Tru64
UNIX 5.1B, new Fortinet firewalls, AIX 5.3, NetBSD 2.0, Nokia IPSO
3.8.X, and Solaris 10. Of course there are also tons of new
broadband routers, printers, WAPs and pretty much any other device
you can coax an ethernet cable (or wireless card) into!
o Added 'leet ASCII art to the configurator! ARTIST NOTE: If you think
the ASCII art sucks, feel free to send me alternatives. Note that
only people compiling the UNIX source code get this. (ASCII artist
unknown).
o Added OS, device type, and hostname detection using the service
detection framework. Many services print a hostname, which may be
different than DNS. The services often give more away as well. If
Nmap detects IIS, it reports an OS family of "Windows". If it sees
HP JetDirect telnetd, it reports a device type of "printer". Rather
than try to combine TCP/IP stack fingerprinting and service OS
fingerprinting, they are both printed. After all, they could
legitimately be different. An IP that gives a stack fingerprint
match of "Linksys WRT54G broadband router" and a service fingerprint
of Windows based on Kazaa running is likely a common NAT setup rather
than an Nmap mistake.
o Nmap on Windows now compiles/links with the new WinPcap 3.1
header/lib files. So please upgrade to 3.1 from
http://www.winpcap.org before installing this version of Nmap.
While older versions may still work, they aren't supported with Nmap.
o The official Nmap RPM files are now compiled statically for better
compatibility with other systems. X86_64 (AMD Athlon64/Opteron)
binaries are now available in addition to the standard i386. NmapFE
RPMs are no longer distributed by Insecure.Org.
o Nmap distribution signing has changed. Release files are now signed
with a new Nmap Project GPG key (KeyID 6B9355D0). Fyodor has also
generated a new key for himself (KeyID 33599B5F). The Nmap key has
been signed by Fyodor's new key, which has been signed by Fyodor's
old key so that you know they are legit. The new keys are available
at http://www.insecure.org/nmap/data/nmap_gpgkeys.txt , as
docs/nmap_gpgkeys.txt in the Nmap source tarball, and on the public
keyserver network. Here are the fingerprints:
pub 1024D/33599B5F 2005-04-24
Key fingerprint = BB61 D057 C0D7 DCEF E730 996C 1AF6 EC50 3359 9B5F
uid Fyodor <fyodor@insecure.org>
sub 2048g/D3C2241C 2005-04-24
pub 1024D/6B9355D0 2005-04-24
Key fingerprint = 436D 66AB 9A79 8425 FDA0 E3F8 01AF 9F03 6B93 55D0
uid Nmap Project Signing Key (http://www.insecure.org/)
sub 2048g/A50A6A94 2005-04-24
o Fixed a crash problem related to non-portable varargs (vsnprintf)
usage. Reports of this crash came from Alan William Somers
(somers(a)its.caltech.edu) and Christophe (chris.branch(a)gmx.de).
This patch was prevalent on Linux boxes running an Opteron/Athlon64
CPU in 64-bit mode.
o Fixed crash when Nmap is compiled using gcc 4.X by adding the
-fno-strict-aliasing option when that compiler is detected. Thanks
to Greg Darke (starstuff(a)optusnet.com.au) for discovering that
this option fixes (hides) the problem and to Duilio J. Protti
(dprotti(a)flowgate.net) for writing the configure patch to detect
gcc 4 and add the option. A better fix is to identify and rewrite
lines that violate C99 alias rules, and we are looking into that.
o Added "rarity" feature to Nmap version detection. This causes
obscure probes to be skipped when they are unlikely to help. Each
probe now has a "rarity" value. Probes that detect dozens of
services such as GenericLines and GetRequest have rarity values of
1, while the WWWOFFLEctrlstat and mydoom probes have a rarity of 9.
When interrogating a port, Nmap always tries probes registered to