340
X4000
User’s Guide
Configuration of Security Functions and Firewall
10
The following table contains a list of some frequently used port numbers with
the services assigned to them:
Table 10-15: Services and port numbers
Example
A simplified FTP connection is used as an example to illustrate how to use
source and destination ports: In addition to source and destination IP
addresses, the IP protocol also uses source and destination port numbers to
Service
Protocol
Port number
File Transfer Protocol (
➤➤
FTP
) (data)
TCP
20
File Transfer Protocol (FTP) (commands)
TCP
21
Telnet
TCP
23
Simple Mail Transfer Protocol (SMTP)
TCP
25
Domain Name Server (
➤➤
DNS
)
TCP, UDP
53
Trivial File Transfer Protocol
(
➤➤
TFTP
)
UDP
69
HTTP
TCP
80
POP3 (e-mail inquiry)
TCP
110
Network Time Protocol
TCP, UDP
119
➤➤
NetBIOS
Name (NBNAME)
UDP
137
NetBIOS Datagram (NBDATA)
UDP
138
NetBIOS Session (NBSESSION)
TCP
139
Simple Network Management Protocol
(SNMP) (Port Lists)
UDP
161
SNMP (Trap Port)
UDP
162
Syslog Service (SYSLOG)
UDP
514
Network File System (NFS)
UDP
2049
Remote CAPI
TCP
2662
Remote TAPI
TCP
2663
Содержание X4000
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Страница 30: ...30 X4000 User s Guide Welcome 1...
Страница 34: ...34 X4000 User s Guide General Safety Precautions 2...
Страница 68: ...68 X4000 User s Guide Hardware Description and Installation 3...
Страница 92: ...92 X4000 User s Guide Configuration Requirements 4...
Страница 118: ...118 X4000 User s Guide Fast Configuration with the Configuration Wizard Basic Unit 6...
Страница 274: ...274 X4000 User s Guide Advanced Configuration of the Basic Unit with the Setup Tool 8 Confirm with OK Press SAVE...
Страница 362: ...362 X4000 User s Guide Configuration of Security Functions and Firewall 10...
Страница 374: ...374 X4000 User s Guide Configuration Management 11...
Страница 386: ...386 X4000 User s Guide Troubleshooting 12...
Страница 431: ...X4000 User s Guide 431 15 100 240 VAC 50 60 Hz BinTec Communications AG X4000 Router Multi Protokoll X4000 WAN...
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Страница 449: ...X4000 User s Guide 449 15...
Страница 468: ...468 X4000 User s Guide General Safety Precautions in 15 Different Languages 15...
Страница 495: ...X4000 User s Guide 495 Index WINS 225 246 X X 21 148 X 21 interface Configuring 148 Technical data 393 XIPR 353...
Страница 496: ...496 X4000 User s Guide Index...
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