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Windows Server 2008 R2 Thread, DNS/Internet Issues in Technical; Originally Posted by Reggie So how did you resolve it pantscat? Sorry - missed this! Basically it's a case of ...
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    Quote Originally Posted by Reggie View Post
    So how did you resolve it pantscat?
    Sorry - missed this!

    Basically it's a case of going through all the rules and removing any references to hostnames and substituting them for IPs or IP ranges. Didn't take too long and it solves this particular problem.

    Oh, and RIP TMG... replacing this is causing me a headache!

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    Quote Originally Posted by pantscat View Post
    Sorry - missed this!

    Basically it's a case of going through all the rules and removing any references to hostnames and substituting them for IPs or IP ranges. Didn't take too long and it solves this particular problem.

    Oh, and RIP TMG... replacing this is causing me a headache!
    What are you replacing TMG with?

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    Quote Originally Posted by cogrady84 View Post
    What are you replacing TMG with?
    Exactly. No idea yet... although my initial thoughts are that it'll need to "boxes" to replace it entirely.
    I'll probably end up with a firewall of some sort and then UAG in order to publish OWA/ActiveSync/SharePoint etc.

    I am trialing Smoothwall Advanced Firewall at the moment but I'm just not terribly keen on using it at the edge... I've got a bit of a dislike for Linux that I can't really justify!

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    chazzy2501's Avatar
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    have you specified more than 1 external dns address on your dns server?

    you could use this tool to test external DNSs and it may trigger any firewall rule into blocking you if there is one.

    https://www.grc.com/dns/benchmark.htm
    Last edited by chazzy2501; 20th June 2013 at 02:07 PM.

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    I have heard murmurings about some sort of roadmap for functionality lost by the removal of TMG due in the next month or so...

    It is also interesting to note that on some recent MS/MVP sites outlining the migration to exchange 2013 still include TMG as the edge... the message seems to be very strongly - don't retire it yet...

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    Quote Originally Posted by psydii View Post
    I have heard murmurings about some sort of roadmap for functionality lost by the removal of TMG due in the next month or so...

    It is also interesting to note that on some recent MS/MVP sites outlining the migration to exchange 2013 still include TMG as the edge... the message seems to be very strongly - don't retire it yet...
    I don't really have the option of retiring TMG, it's only been in a year and as far as i'm concerned, learning new firewalls is one of the toughest tasks! I saw a recommendation for Citrix NetScaler as a TMG replacement yesterday... not sure on that one

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    Yes, I've also heard good things about Citrix Netscaler... but I think they're a tad pricey. I'll have to sell a technician...

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