Watchguard Firebox X1000, Reference Manual

Page: 63 / 264

Packet Filter Services
Reference Guide 51
- 5632/UDP
- 5631/TCP
- 65301/TCP
• Client Port: ignore (all cases)
ping
ping can be used to determine whether a host can be reached and is
operable and on the network). To intercept DOS-based or Windows-based
traceroute packets, configure the ping service.
Like traceroute, it is generally a bad idea to allow ping into a network;
however, outgoing ping is useful for troubleshooting.
Characteristics
• Protocol: ICMP
• Server Port(s): Not Applicable
• Client Port(s): Not Applicable
POP2 and POP3
POP2 and POP3 (Post Office Protocol) are mail transport protocols,
generally used to retrieve individual users’ mailboxes from a POP server.
Characteristics
• Protocol: TCP
• Server Port(s): 109 (POP2), and 110 (POP3)
• Client Port(s): greater than 1023
Common Scenarios
Scenario 1
Description
A POP server on the Trusted interface, generally running on the
same machine as the SMTP server.