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Blocking Web Messengers

Armengolx7
Hello guys, i would like to know if any of you know the way(s) to block web messengers, i mean the onea that you can use from your mail client (such as yahoo, google, hotmail), that little application [:@] . The problem is that our CEO sent us the direction to block al IM, and thats the only problem i have right now [:O] . If any of you can help me with this issue, please help me! 

I´ll thank you 4EVER!


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    Use your browser to send messages on each one you want to block, then look in the Astaro 'Content Filter (HTTP)' log to see the FQDN of the servers.  Add these to 'Always block'. For Google chat, it's something like b.google.com.  If the traffic isn't going through the HTTP/S Proxy, you can define DNS Groups and write packet filter rules to block the traffic.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    Use your browser to send messages on each one you want to block, then look in the Astaro 'Content Filter (HTTP)' log to see the FQDN of the servers.  Add these to 'Always block'. For Google chat, it's something like b.google.com.  If the traffic isn't going through the HTTP/S Proxy, you can define DNS Groups and write packet filter rules to block the traffic.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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