Update config comments for IPv4-mapped IPv6 address

lifenjoiner · Apr 17, 2023 · fe36502 · fe36502
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diff --git a/default.config b/default.config
@@ -223,6 +223,12 @@ BlockNegativeResponse false
 # ��������˶��� IP����ô�� LIFO ���ء�
 # ����ҵ�����ͬ�汾�Ľ������ô�ͷ�������
 # ���ֻ������ IPv4���ֲ�ѯ IPv6����ô���� IPv4 ӳ��� IPv6 ��ַ, �� ::ffff::/96 �� DNS64�����ܽ�ʡ���ع��ʱ���ڴ档
+#
+# IPv4 ӳ��� IPv6 ��ַ:
+# Windows Ĭ�ϴ��� IPv6-only �� socket����ʹ����ӿ��� IPv4/IPv6 ��ջ�ġ�
+# ���ԣ������Ƿ�֧�֣�ȡ�������Ƿ��л����˶�ջ�� socket�����ƣ���֧�ֵĽ϶ࡣ
+# Chrome �� go ����ĳ���֧�֣��� Firefox �� Rust ����ĳ���֧�֣�Ĭ������¡�
+# ����ָ���� IPv4 �����ص������������Ҳ�ṩ IPv6���������������м����ԵĴ�����
 
 # Hosts <STRING>
 # Hosts �ļ��� URL�������Ǳ��� Hosts �ļ� (�� file:// ��ͷ��֧�����·��)��Ҳ�����������ϵ� Hosts �ļ� (�� http:// ���� https:// ��ͷ)�� (since 5.0.5)

diff --git a/default.en.config b/default.en.config
@@ -262,6 +262,12 @@ BlockNegativeResponse false
 # If the item with same version is found, it is return.
 # If only IPv4 is provide but IPv6 is queried, IPv4-mapped IPv6 address is return,
 # like DNS64 with ::ffff::/96. It saves memory for ads blocking.
+#
+# IPv4-mapped IPv6 address:
+# Windows creates IPv6-only socket by default, even the network interface is IPv4/IPv6 dual-stack.
+# So, whether programs support it depend on whether they have switched to dual-stack socket. And don'ts are more.
+# Chrome and golang compiled programs support it, while Firefox and Rust compiled programs don't, by default.
+# For non-blocked hosts with specified IPv4, you'd better provide the IPv6, or use a compatible proxy for them.
 
 # Hosts <STRING>
 # Load hosts from files(local or remote) (since 5.0.5)