Filter Examples
27-13
The following filter file rule example would accept only UDP packets that have a
destination port number that is in the range of 24-39:
#filter
IP:
010 AND udp-dst-port>23;
020 ACCEPT udp-dst-port<40;
030 DENY;
The following filter file rule example would reject TCP and UDP packets:
#filter
IP:
010 REJECT protocol = tcp;
020 REJECT protocol = udp;
Standard Port Numbers
The following table contains information on standard port numbers for some
common services.
Table 27-4
TCP
UDP
Description
20
-
File Transfer Protocol (data)
21
-
File Transfer Protocol (control)
23
-
Telnet
25
-
Simple Mail Transfer Protocol
43
43
Who Is
53
53
Domain Name Service
-
69
Trivial File Transfer Protocol
70
70
Gopher
79
79
Finger
80
-
World Wide Web HTTP
88
88
Kerberos
110
-
Post Office Protocol
111
111
Sun Remote Procedure Call
113
113
Authentication Service
119
-
Network News Transfer Protocol
123
123
Network Time Protocol
161
161
SNMP (Total Control Manager)
162
162
SNMP trap
220
220
Interactive Mail Access Protocol v3
512
-
remote process execution
513
-
remote login (rlogin)
-
513
remote who (rwhod)
514
-
remote command (rsh)
-
514
Syslog accounting
515
-
lpd spooler
Содержание OfficeConnect 3C100XF
Страница 1: ...http www 3com com OfficeConnect Gateway CLI User s Guide Release 1 0 Part No 10042302 Rev AA ...
Страница 14: ...xiv ...
Страница 18: ...iv ABOUT THIS GUIDE ...
Страница 30: ...1 12 CHAPTER 1 USING THE COMMAND LINE INTERFACE CLI ...
Страница 50: ...3 14 CHAPTER 3 ADMINISTRATIVE CLI COMMANDS ...
Страница 58: ...4 8 CHAPTER 4 CONFIGURING AND MANAGING USERS ...
Страница 70: ...6 8 CHAPTER 6 BRIDGING COMMANDS ...
Страница 78: ...8 4 CHAPTER 8 INTERFACE COMMANDS ...
Страница 82: ...9 4 CHAPTER 9 ARP COMMANDS ...
Страница 88: ...11 4 CHAPTER 11 DHCP COMMANDS ...
Страница 124: ...12 36 CHAPTER 12 IP ROUTING COMMANDS ...
Страница 134: ...13 10 CHAPTER 13 DNS COMMANDS ...
Страница 142: ...15 6 CHAPTER 15 MULTICASTING AND IGMP COMMANDS ...
Страница 160: ...17 8 CHAPTER 17 PPP COMMANDS ...
Страница 182: ...21 6 CHAPTER 21 ADDRESS TRANSLATION COMMANDS ...
Страница 186: ...22 4 CHAPTER 22 IPSEC COMMANDS ...
Страница 188: ...23 2 CHAPTER 23 SECURITY ASSOCIATION SA COMMANDS ...
Страница 192: ...24 4 CHAPTER 24 TCP COMMANDS ...
Страница 204: ...25 12 CHAPTER 25 SNMP COMMANDS ...
Страница 210: ...26 6 CHAPTER 26 IP FILTERS COMMANDS ...
Страница 238: ...29 6 CHAPTER 29 TRACEROUTE COMMANDS ...
Страница 255: ...xv RFC 1483 16 3 RFC 1483 MER 16 4 ...
Страница 256: ...xvi ...
Страница 260: ......