SMC Networks TigerAccess SMC7816M Manuel d'utilisateur Page 621

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IP ACL
S
24-7
Example
This example accepts any incoming packets if the source address is within
subnet 10.7.1.x. For example, if the rule is matched; i.e., the rule (10.7.1.0
& 255.255.255.0) equals the masked address (10.7.1.2 & 255.255.255.0),
the packet passes through.
This allows TCP packets from class C addresses 192.168.1.0 to any
destination address when set for destination TCP port 80 (i.e., HTTP).
This permits all TCP packets from class C addresses 192.168.1.0 with the
TCP control code set to “SYN.”
Related Commands
access-list ip (24-3)
show ip access-list
This command displays the rules for configured IP ACLs.
Syntax
show ip access-list {standard | extended} [acl_name]
standard – Specifies a standard IP ACL.
extended – Specifies an extended IP ACL.
acl_name – Name of the ACL. (Maximum length: 16 characters)
Command Mode
Privileged Exec
Console(config-ext-acl)#permit 10.7.1.1 255.255.255.0 any
Console(config-ext-acl)#
Console(config-ext-acl)#permit 192.168.1.0 255.255.255.0 any
destination-port 80
Console(config-ext-acl)#
Console(config-ext-acl)#permit tcp 192.168.1.0 255.255.255.0 any
control-flag 2 2
Console(config-ext-acl)#
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