DOC-1511 add south-north port (#360)

* DOC-1511 add south-north port

* minor edit

* update quick reference table

* apply suggestion

Author: micheleRP

modules/networking/pages/cloud-security-network.adoc

@@ -66,7 +66,7 @@ This section lists the external ports on which Redpanda Cloud components communi
 
 | North-south | External client access | 30092, 9092, 30081, 30082, 443
 | East-west | Internal cluster communication | 30092, 9092, 8081, 8082, 33145, 30644, 8083
-| South-north | Outgoing connections | 443
+| South-north | Outgoing connections | 443, 80
 |===
 
 NOTE: Redpanda also uses some ports for internal communication inside the cluster, including ports 80 and 9644. 
@@ -135,7 +135,7 @@ The following network port is used for outgoing network connections outside the
 | Service | Port
 
 | Control plane, breakglass, artifact repository, and telemetry
-| 443/tcp
+| 443/tcp, 80/tcp
 |===
 
 == Private service connectivity network ports