Chapter 11 - TCP/IP Filtering

191

 

 

All of the modifiers also require a port number between 0 and 65535. Port numbers can also be specified using the names in the following list of services with known ports:

TCP PORTS:

 

 

systat (11)

netstat (13)

ftp-data (20)

 

 

 

 

 

 

 

ftp (21)

telnet (23)

smtp, mail (25)

 

 

 

 

 

 

 

whois (43)

gopher (70)

rje (77)

 

 

 

 

 

 

 

pop-2 (109)

pop-3 (110)

auth (113)

 

 

 

 

 

 

 

nntp, usenet (119)

netbios-ssn (139)

news (144)

 

 

 

 

 

 

 

rexec (512)

rlogin (513)

rshell (514)

 

 

 

 

 

 

 

printer, lpd (515)

uucp (540)

listen, rfs (1025)

 

 

 

 

 

 

 

x, xwin (6000)

irc (6667)

www, http (80)

 

 

 

 

 

 

 

UDP PORTS:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

name (42)

bootps (67)

bootpc (68)

 

 

 

 

 

 

 

tftp (69)

snmp (161)

snmp-trap (162)

 

 

 

 

 

 

 

biff, comsat (512)

rwho (513)

syslog (514)

 

 

 

 

 

 

 

talk (517)

ntalk (518)

route, rip (520)

 

 

 

 

 

 

 

timed (525)

mount (635)

pcnfs (640)

 

 

 

 

 

 

 

nfs (2049)

 

 

 

 

 

 

 

 

 

COMMON UDP AND TCP PORTS:

 

 

 

 

 

 

 

 

 

 

 

 

 

echo (7)

discard (9)

daytime (13)

 

 

 

 

 

 

 

chargen (19)

time (37)

dns, domain (53)

 

 

 

 

 

 

 

sunrpc, rpc,

ntp (123)

netbios-ns (137)

 

 

portmapper (111)

 

 

 

 

 

 

 

 

 

netbios-dgm (138)

 

 

 

 

 

 

 

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Image 197
Compatible Systems 5.4 manual TCP/IP Filtering 191, TCP Ports