3com WX3000 User Manual

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7-6 
Applying the ACL to control Web users 
Prerequisites 
The controlling policy against Web users is determined, including the source IP addresses to be 
controlled and the controlling actions (permitting or denying). 
Controlling Web Users by Source IP Addresses 
Controlling Web users by source IP addresses is achieved by applying basic ACLs, which are 
numbered from 2000 to 2999. 
Follow these steps to control Web users by source IP addresses: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Create a basic ACL or 
enter basic ACL view 
acl number acl-number 
match-order { config | auto } ] 
As for the acl number command, 
the config keyword is specified by 
default. 
Define rules for the 
ACL 
rule [ rule-id ] { deny | permit 
rule-string ] 
Required 
Quit to system view 
quit 
— 
Apply the ACL to 
control Web users 
ip http acl acl-number 
Optional 
By default, no ACL is applied for 
Web users.  
 
Disconnecting a Web User by Force 
The administrator can disconnect a Web user by force using the related commands. 
Follow these steps to disconnect a Web user by force: 
To do… 
Use the command… 
Remarks 
Disconnect a Web user 
by force 
free web-users all | user-id 
user-id | user-name user-name } 
Required 
Execute this command in user view.
 
Configuration Example 
Network requirements 
As shown in 
, only the Web users sourced from the IP address of 10.110.100.52 are permitted 
to access the switching engine. 
Figure 7-3 Network diagram for controlling Web users using ACLs