ZyXEL Communications ZyWall 100 User Manual page 178

ZyWALL 100 Internet Security Gateway
SERVICE
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(TCP:443)
ICQ(UDP:4000)
IKE(UDP:500)
IPSEC_TUNNEL(AH:0)
IPSEC_TUNNEL(ESP:0)
IRC(TCP/UDP:6667)
MSN
Messenger(TCP:1863)
MULTICAST(IGMP:0)
NEW-ICQ(TCP:5190)
NEWS(TCP:144)
NFS(UDP:2049)
16-8
DHCP Client.
DHCP Server.
A popular videoconferencing solution from White Pines Software.
Domain Name Server, a service that matches web names (e.g.
www.zyxel.com) to IP numbers.
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.
NetMeeting 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 AH (Authentication Header) tunneling protocol uses this
service.
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.
An Internet chat program.
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
Creating Custom Rules