GS2210 Series User’s Guide
419
A
P P E N D I X
B
Common Services
The follow ing t able list s som e com m only- used ser vices and t heir associat ed pr ot ocols and por t
num ber s. For a com pr ehensive list of por t num bers, I CMP t y pe/ code num ber s and ser vices, visit
t he I ANA ( I nt er net Assigned Num ber Aut hor it y) w eb sit e.
• N a m e : This is a shor t , descr ipt ive nam e for t he serv ice. You can use t his one or creat e a
differ ent one, if you like.
• Pr ot ocol: This is t he t y pe of I P pr ot ocol used by t he ser v ice. I f t his is TCP/ UD P, t hen t he ser vice
uses t he sam e por t num ber w it h TCP and UDP. I f t his is Use r - D e fin e d, t he Por t ( s) is t he I P
pr ot ocol num ber, not t he por t num ber.
• Por t ( s) : This value depends on t he Pr ot ocol. Please r efer t o RFC 1700 for fur t her infor m at ion
about por t num ber s.
•
I f t he Pr ot ocol is TCP, UD P, or TCP/ UD P, t his is t he I P por t num ber.
•
I f t he Pr ot ocol is U SER, t his is t he I P pr ot ocol num ber.
• D e scr ipt ion : This is a br ief explanat ion of t he applicat ions t hat use t his ser vice or t he sit uat ions
in w hich t his ser vice is used.
Table 206
Com m only Used Ser vices
NAME
PROTOCOL
PORT(S)
DESCRIPTION
AH ( I PSEC_TUNNEL)
User- Defined
51
The I PSEC AH ( Aut hent icat ion Header )
t unneling pr ot ocol uses t his serv ice.
AI M/ New- I CQ
TCP
5190
AOL’s I nt er net Messenger ser v ice. I t is also
used as a list ening por t by I CQ.
AUTH
TCP
113
Aut hent icat ion pr ot ocol used by som e ser ver s.
BGP
TCP
179
Bor der Gat eway Pr ot ocol.
BOOTP_CLI ENT
UDP
68
DHCP Client .
BOOTP_SERVER
UDP
67
DHCP Ser ver.
CU- SEEME
TCP
UDP
7648
24032
A popular v ideoconfer encing solut ion fr om
Whit e Pines Soft war e.
DNS
TCP/ UDP
53
Dom ain Nam e Ser ver, a ser v ice t hat m at ches
w eb nam es ( for ex am ple
w w w.zy xel.com
) t o I P
num ber s.
ESP ( I PSEC_TUNNEL)
User- Defined
50
The I PSEC ESP ( Encapsulat ion Secur it y
Prot ocol) t unneling pr ot ocol uses t his ser v ice.
FI NGER
TCP
79
Finger is a UNI X or I nt er net relat ed com m and
t hat can be used t o find out if a user is logged
on.
FTP
TCP
TCP
20
21
File Transfer Pr ogram , a pr ogram t o enable fast
t ransfer of files, including lar ge files t hat m ay
not be possible by e- m ail.
H.323
TCP
1720
Net Meet ing uses t his prot ocol.