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Thread: Block perticular website IP using ACL

  1. #1
    Junior Member
    Join Date
    Apr 2008
    Answers
    1

    Block perticular website IP using ACL

    How to block perticular website ip using ACL ?

    i have cisco 3600 router,i want to block perticular website ip by using ACL,how i can done it,Help me if u know ?.


  2. #2
    Junior Member
    Join Date
    Jun 2008
    Answers
    3

    Re: Block perticular website IP using ACL

    U could try this create the access list, where 1.2.3.4 is the IP address of the site i want to block:

    Router(config)#access-list 103 deny tcp any host 1.2.3.4 eq www
    Router(config)#access-list 103 permit tcp any any eq www

    and i applied it to the Dialer0 interface outbound:

    Router(config-if)#ip access-group 103 out

    access-list 103 permit ip any any

    this would mean that you can also remove the line, 'access-list 103 permit tcp any any eq www'

    Explanation : On the end, because ACLs have an implicit 'deny ip any any' as the last ACL entry, therfore all outbound IP traffic would be blocked.


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