Specifications

5-3
Cisco Global Site Selector Administration Guide
OL-5480-01
Chapter 5 Configuring Access Lists and Filtering GSS Traffic
Filtering GSS Traffic Using Access Lists
Ta b l e 5-1 GSS-Related Ports and Protocols for Inbound Traffic
Source Port
(Remote
Device)
Destination Port
(GSS)
Protocol Details
*
*. Any legal port number.
20–23 TCP FTP, SSH, and Telnet server
services on the GSS
20–23 * TCP Return traffic of FTP and Telnet
GSS CLI commands
* 53 UDP, TCP GSS DNS server traffic
53 * UDP GSS software reverse lookup and
“dnslookup” queries
123 123 UDP Network Time Protocol (NTP)
updates
* 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
2001–2005 * TCP Inter-GSS communication
* 3002–3008 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
5001 * TCP Global sticky mesh protocol traffic