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11-8 Creating Custom Rules
Table 11-2 Predefined Services
SERVICE
AIM(TCP:5190)
BGP(TCP:179)
BOOTP_CLIENT(UDP:68)
BOOTP_SERVER(UDP:67)
CU-SEEME(TCP/UDP:7648,
24032)
DNS(UDP/TCP:53)
FINGER(TCP:79)
FTP(TCP:20.21)
H.323(TCP:1720)
HTTP(TCP:80)
HTTPS
ICQ(UDP:4000)
IKE(UDP:500)
IPSEC_TUNNEL(ESP:0)
IRC(TCP/UDP:6667)
MSN Messenger(TCP:1863)
MULTICAST(IGMP:0)
NEWS(TCP:144)
NFS(UDP:2049)
317516-A Rev 00
AOL's Internet Messenger service, used as a listening port by ICQ.
Border Gateway Protocol.
DHCP Client.
DHCP Server.
A popular videoconferencing solution from White Pines Software.
Domain Name Server, a service that matches web names (e.g.
) to IP numbers.
www.nortelnetworks.com
Finger is a UNIX or Internet related command that can be used to find
out if a user is logged on.
File Transfer Program, a program to enable fast transfer of files,
including large files that may not be possible by e-mail.
Net Meeting uses this protocol.
Hyper Text Transfer Protocol - a client/server protocol for the world wide
web.
HTTPS is a secured http session often used in e-commerce.
This is a popular Internet chat program.
The Internet Key Exchange algorithm is used for key distribution and
management.
The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol
uses this service.
This is another popular Internet chat program.
Microsoft Networks' messenger service uses this protocol.
Internet Group Multicast Protocol is used when sending packets to a
specific group of hosts.
A protocol for news groups.
Network File System - NFS is a client/server distributed file service that
provides transparent file-sharing for network environments.
DESCRIPTION
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