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setting up instant messaging

Hi all

I want to allow some users to use msn and yahoo messenger, I have HTTP proxy with AD SSO so I allowed IM/chat categories for the users, I put the IP addresses in the exception list of IM/P2P.
do I need to do something else? the messengers are not working.
another question if I allowed IM/chat categories and turn off IM controlling do I have to create Packet filter rules to allow the messengers?

thanks


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Parents Reply Children
  • Like Barry said, you definitely need the packet filter ruiles - a firewall blocks all traffic by default.

    As for the Exceptions in IM/P2P: Since you have AD SSO, I thought you could assign the exception to the "'username' (User network)" instead of to hard-coded IP addresses.  I haven't actually tried that though.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Well I have done the following 
    Created a PF rule (didn't work)
    Created exception in IM/P2P and in IPS (didn't work)
    Created SNAT rule only for messaging (didn't work)
    The only thing that worked is to have SNAT user IP address->any->any(external interface)
    Which I don't want to do because it will bypass HTTP proxy
  • Hmmm....

    You don't need to worry about IPS.  I'm guessing from your successful SNAT idea that the problem is in the Packet Filter rules.
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA