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Creating a Network Definition

I am trying to create a network definition for akamaihd.net.  When I create it, it shows up as unresolved.  When I look it up at MX Tool Box, I see that there are a dozen domain names.  Do I have to create a network definition for each one?  I want to throttle that website.

Thank you,

John


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  • Yes, John, name servers only know how to resolve an FQDN.  An expression like "*.akamaihd.net" has no meaning for DNS.  So, a UTM DNS Group definition requires an FQDN.

    Why throttle that website?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • I have an employee that I think is streaming radio.  I'll be contacting his supervisor but I would also like to know how to throttle a website like akamaihd.net but still allow others to use it if it has value.  

    I made a definition for each website that MX Tool Box showed, but that didn't work.  There was over a gig of traffic to that website yesterday.

    I checked the web filtering log and I see that he is hitting http://a582.avodsl-s.akamaihd.net and a475.  I assume those websites will change on their own.

    John
  • AA, you've been around for awhile, what version are you on?  You could block the entire 'Content Server' subcategory in Web Filtering.  If you don't want to do that, you can get some nice reports about web usage by employee and by category.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Currently on 9.211-3.  I've found that I can block individual akamaihd.net sites.  This is working, but I have to monitor the web log and add new sites as I see them.  I'll look into blocking the sub category.
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