Specifications

5-13
Cisco Global Site Selector Administration Guide
OL-5480-01
Chapter 5 Configuring Access Lists and Filtering GSS Traffic
Deploying GSS Devices Behind Firewalls
*
161 UDP Simple Network Management
Protocol (SNMP) traffic
*
443 TCP Primary GSSM GUI
1304 1304 UDP CRA keepalives
*
2000 UDP Inter-GSS periodic status reporting
*
2001–2005 TCP Inter-GSS communication
*
3002–3008 TCP Inter-GSS communication
3340 * TCP Sticky and Config Agent
communication
3341 * TCP Sticky communication source
3342 * TCP Sticky and DNS processes
communication
*
5002 UDP KAL-AP keepalives
1974 1974 UDP DRP protocol traffic
*
5001 TCP Global sticky mesh protocol traffic
*. Any legal port number.
Ta b l e 5-3 Outbound Traffic Originating from the GSS
Source Port
(GSS)
Destination
Port
(Remote
Device)
Protocol Details
20–23
*
TCP Return traffic of FTP, SSH, and
Telnet server services on the GSS
* 20–23 TCP Traffic of FTP and Telnet GSS CLI
commands
53
*
UDP, TCP GSS DNS server traffic
Table 5-2 Inbound Traffic Going Through a Firewall to the GSS (continued)
Source Port
(Remote
Device)
Destination Port
(GSS) Protocol Details