Applying Actions To An Interface (Service Policy) - Cisco 7604 Configuration Manual
Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli
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Applying Actions to an Interface (Service Policy)
hostname(config)# class-map telnet_traffic
hostname(config-cmap)# match port tcp eq 23
hostname(config)# class-map ftp_traffic
hostname(config-cmap)# match port tcp eq 21
hostname(config)# class-map tcp_traffic
hostname(config-cmap)# match port tcp range 1 65535
hostname(config)# class-map udp_traffic
hostname(config-cmap)# match port udp range 0 65535
hostname(config)# policy-map global_policy
hostname(config-pmap)# class telnet_traffic
hostname(config-pmap-c)# set connection timeout tcp 0:0:0
hostname(config-pmap-c)# set connection conn-max 100
hostname(config-pmap)# class ftp_traffic
hostname(config-pmap-c)# set connection timeout tcp 0:5:0
hostname(config-pmap-c)# set connection conn-max 50
hostname(config-pmap)# class tcp_traffic
hostname(config-pmap-c)# set connection timeout tcp 2:0:0
hostname(config-pmap-c)# set connection conn-max 2000
When a Telnet connection is initiated, it matches class telnet_traffic. Similarly, if an FTP connection is
initiated, it matches class ftp_traffic. For any TCP connection other than Telnet and FTP, it will match
class tcp_traffic. Even though a Telnet or FTP connection can match class tcp_traffic, the FWSM does
not make this match because they previously matched other classes.
Applying Actions to an Interface (Service Policy)
To activate the Layer 3/4 policy map, create a service policy that applies it to one or more interfaces or
that applies it globally to all interfaces. Interface service policies take precedence over the global service
policy for a given feature. For example, if you have a global policy with FTP inspection, and an interface
policy with TCP connection settings, then both FTP inspection and TCP connection settings are applied
to the interface. However, if you have a global policy with FTP inspection, and an interface policy with
FTP inspection, then only the interface policy FTP inspection is applied to that interface.
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For example, the following command enables the inbound_policy policy map on the outside interface:
hostname(config)# service-policy inbound_policy interface outside
The following commands disable the default global policy, and enables a new one called
new_global_policy on all other FWSM interfaces:
hostname(config)# no service-policy global_policy global
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
20-20
To create a service policy by associating a policy map with an interface, enter the following
command:
hostname(config)# service-policy policy_map_name interface interface_name
To create a service policy that applies to all interfaces that do not have a specific policy, enter the
following command:
hostname(config)# service-policy policy_map_name global
By default, the configuration includes a global policy that matches all default application inspection
traffic and applies inspection to the traffic globally. You can only apply one global policy, so if you
want to alter the global policy, you need to either edit the default policy or disable it and apply a new
one.
The default service policy includes the following command:
service-policy global_policy global
Chapter 20
Using Modular Policy Framework
OL-20748-01
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