Specifications

Chapter 5 Configuring Access Lists and Filtering GSS Traffic
Deploying GSS Devices Behind Firewalls
5-14
Cisco Global Site Selector Administration Guide
OL-5480-01
*
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
*. Any legal port number.
Table 5-3 Outbound Traffic Originating from the GSS (continued)
Source Port
(GSS)
Destination
Port
(Remote
Device) Protocol Details