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Block MySpace and IM on Cisco 1700 Series Router

Posted on 2007-03-21
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Last Modified: 2008-01-09
I need to block MySpace and AOL IM on a Cisco 1700 series router/firewall.  I have tried to setup the Access-list but I am still having problems.
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Question by:ComNetPlus
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Expert Comment

by:RPPreacher
ID: 18763663
Can you post the ACL that you created?
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Author Comment

by:ComNetPlus
ID: 18763727
Since it wasn't working I did not save the temporary access-list and did not save it to the configuration.
Here's where it currently stands.

Standard IP access list 10
    permit 10.10.10.0, wildcard bits 0.0.0.255 (250915 matches) check=27638
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RPPreacher earned 125 total points
ID: 18763801
Block port 5190 (AIM)
Block IP ranges 67.134.143.0 - 67.134.143.255

The access-list should look like this

access-list 101 deny tcp any any eq 5190
access-list 101 deny ip any 67.134.143.0 0.0.0.255
access-list 101 permit ip any any
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Author Comment

by:ComNetPlus
ID: 18763934
What IP is subnet 67.134.143.0?
When I ping www.myspace.com I receive IP 216.178.38.131.
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Expert Comment

by:RPPreacher
ID: 18763995
I went to arin.net
myspace.com owns 67.134.143.0/24.
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Author Comment

by:ComNetPlus
ID: 18764266
I don't fully understand why, but I had to have both entries to be effective.

access-list 101 deny tcp any any eq 5190
access-list 101 deny ip any 67.134.143.0 0.0.0.255
access-list 101 deny ip  any 216.178.38.0 0.0.0.255
access-list 101 permit ip any any

Anyway it all now works and blocks myspace.

Thanks,
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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