Blade ICE G8124 Manuale Utente

BMD00220, October 2010

Chapter 5: Access Control Lists  

  77

TCP/UDP header options (for all ACLs)



TCP/UDP application source port as shown in 



TCP/UDP application destination port and mask as shown in 



TCP/UDP flag value as shown in 

Packet format (for regular ACLs and VMaps only)



Ethernet format (eth2, SNAP, LLC)



Ethernet tagging format



IP format (IPv4, IPv6)

Well-Known Application Ports

20
21
22
23
25
37
42
43
53
69
70

ftp-data
ftp
ssh
telnet
smtp
time
name
whois
domain
tftp
gopher

79
80

109

110

111

119

123
143
144
161
162

finger
http
pop2
pop3
sunrpc
nntp
ntp
imap
news
snmp
snmptrap

179
194
220
389
443
520
554

1645/1812

1813
1985

bgp
irc
imap3
ldap
https
rip
rtsp
Radius
Radius Accounting
hsrp

Well-Known TCP flag values

URG
ACK
PSH
RST
SYN
FIN

0x0020
0x0010
0x0008
0x0004
0x0002
0x0001