Brocade Communications Systems 12.4.00a Manual De Usuario
ServerIron ADX Security Guide
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53-1002440-03
Configuring numbered and named ACLs
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The <string> parameter is the ACL name. You can specify a string of up to 256 alphanumeric
characters. You can use blanks in the ACL name if you enclose the name in quotation marks (for
example, “ACL for Net1”). The <num> parameter allows you to specify an ACL number if you prefer.
If you specify a number, you can specify from 1 – 99 for standard ACLs or 100 – 199 for extended
ACLs.
characters. You can use blanks in the ACL name if you enclose the name in quotation marks (for
example, “ACL for Net1”). The <num> parameter allows you to specify an ACL number if you prefer.
If you specify a number, you can specify from 1 – 99 for standard ACLs or 100 – 199 for extended
ACLs.
NOTE
For convenience, the software allows you to configure numbered ACLs using the syntax for named
ACLs. The software also still supports the older syntax for numbered ACLs. Although the software
allows both methods for configuring numbered ACLs, numbered ACLs are always formatted in the
startup-config and running-config files in using the older syntax, as follows.
ACLs. The software also still supports the older syntax for numbered ACLs. Although the software
allows both methods for configuring numbered ACLs, numbered ACLs are always formatted in the
startup-config and running-config files in using the older syntax, as follows.
access-list 1 deny host 209.157.22.26
access-list 1 deny 209.157.22.0 0.0.0.255
access-list 1 permit any
access-list 101 deny tcp any any eq http
The options at the ACL configuration level and the syntax for the ip access-group command are the
same for numbered and named ACLs and are described in
same for numbered and named ACLs and are described in
“Configuring standard numbered ACLs”
on page 55.
Configuration example for extended ACL
To configure a named extended ACL entry, enter commands such as the following.
To configure a named extended ACL entry, enter commands such as the following.
The options at the ACL configuration level and the syntax for the ip access-group command are the
same for numbered and named ACLs and are described in
same for numbered and named ACLs and are described in
“Configuring extended numbered ACLs”
on page 56.
Displaying ACL definitions
To display the ACLs configured on a device, use the show ip access-lists command. Here is an
example.
example.
ServerIronADX(config)# show ip access-lists
Extended IP access list 101
deny tcp host 209.157.22.26 host 209.157.22.26 eq http
Syntax: show ip access-lists [<num>]
The show access-list and show ip access-list commands have been updated to display ACL entries
with line numbers.
with line numbers.
Numbered ACL
For a numbered ACL, you can enter a command such as the following.
For a numbered ACL, you can enter a command such as the following.
ServerIronADX(config)# ip access-list extended “block Telnet”
ServerIronADX(config-ext-nacl)# deny tcp host 209.157.22.26 any eq telnet
ServerIronADX(config-ext-nacl)# permit ip any any
ServerIronADX(config-ext-nacl)# exit
ServerIronADX(config)# int eth 1/1
ServerIronADX(config-if-1/1)# ip access-group “block Telnet” in