Watchguard Firebox X5500E Reference Manual

Also see for Firebox X10E: Install guide Reference guide User guide Quick start guide Quick start guide

Contents

Watchguard Firebox X5500E Reference Manual Manual pdf 54 page image

Packet Filter Policies46 WatchGuard System ManagerIRCInternet Relay Chat (IRC) is a system for Internet chatting. To use IRC you must have an IRC client andInternet access. The IRC client is a software application on your computer that sends and receivesmessages to and from an IRC server. The IRC server makes sure that all messages are sent to all users inthe chat session.Characteristics• Internet Protocol(s): TCP• Port Number(s): 6667Intel-Video-PhoneIntel Video Phone is a real-time multimedia application based on H.323. H.323 is an internationalstandard for conferencing over TCP/IP networks. This policy does not filter for dangerous content. Itdoes not support QpS or RSVP protocol, and it does not support NAT.Characteristics• Internet Protocol(s): TCP• Port Number(s): 522, 1720Kerberos-v4 and Kerberos-v5The Kerberos network authentication protocol is an authentication system developed by theMassachusetts Institute of Technology (MIT). Kerberos enables two computers to exchange privateinformation across an open network using authentication for security.Characteristics• Internet Protocol(s): TCP, UDP• Kerberos v 4 Port Numbers(s): UDP 750• Kerberos v 5 Port Number(s): TCP 88, UDP 88L2TPLayer 2 Tunneling Protocol (L2TP) is an extension to the PPP protocol that enables ISPs to operatevirtual private networks.Characteristics• Internet Protocol(s): UDP• Port Number(s): 1701