ZyXEL Communications VMG1312-B10A - Page 360

Appendix F Services
VMG1312-B Series User’s Guide
360
Table 129 Exam ples of Services
NAME PROTOCOL PORT(S) DESCRIPTION
AH ( I PSEC_TUNNEL) User- Defined 51 The I PSEC AH ( Aut henticat ion Header)
tunneling protocol uses this service.
AI M TCP 5190 AOL’s I nt ernet Messenger ser vice.
AUTH TCP 113 Authent icat ion protocol used by som e
servers.
BGP TCP 179 Border Gateway Pr ot ocol.
BOOTP_CLI ENT UDP 68 DHCP Client.
BOOTP_SERVER UDP 67 DHCP Ser ver.
CU-SEEME TCP/ UDP
TCP/ UDP
7648
24032
A popular videoconferencing solut ion from
White Pines Soft ware.
DNS TCP/ UDP 53 Domain Nam e Server, a service that
m atches web nam es ( for instance
www.zyxel.com ) t o I P num ber s.
ESP
( I PSEC_TUNNEL)
User- Defined 50 The I PSEC ESP ( Encapsulat ion Security
Protocol) tunneling protocol uses t his
service.
FI NGER TCP 79 Finger is a UNI X or I nt ernet relat ed
com m and t hat can be used to find out if a
user is logged on.
FTP TCP
TCP
20
21
File Transfer Prot ocol, a pr ogram t o enable
fast t ransfer of files, including large files
that m ay not be possible by e- m ail.
H.323 TCP 1720 NetMeet ing uses this protocol.
HTTP TCP 80 Hyper Text Transfer Protocol - a client/
server protocol for the world wide w eb.
HTTPS TCP 443 HTTPS is a secured htt p session oft en used
in e- com m erce.
I CMP User- Defined 1 I nternet Control Message Protocol is often
used for diagnost ic purposes.
I CQ UDP 4000 This is a popular I nt ernet chat pr ogram .
I GMP (MULTI CAST) User-Defined 2 I nternet Group Multicast Protocol is used
when sending packet s to a specific group
of host s.
I KE UDP 500 The Int ernet Key Exchange algorithm is
used for key dist ribut ion and m anagem ent.
I MAP4 TCP 143 The I nternet Message Access Prot ocol is
used for e- m ail.
I MAP4S TCP 993 This is a m ore secure version of I MAP4 t hat
runs over SSL.
I RC TCP/ UDP 6667 This is another popular I nternet chat
program .
MSN Messenger TCP 1863 Micr osoft Net works’ m essenger service
uses t his prot ocol.
NetBI OS TCP/ UDP
TCP/ UDP
TCP/ UDP
TCP/ UDP
137
138
139
445
The Network Basic I nput/ Output Syst em is
used for com m unicat ion bet ween
com put ers in a LAN.