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Is it possible to use short DNS names, or to set up a search domain

Biser Todorov

I have a problem loading some internal Web pages when I am using short DNS names and have Scan HTTP enabled. For example if I try to open http://server1 it will give me an HTTP Error 502, everything is working fine if the full name is used http://server1.domain.local 

Is there an option to specify search domain, something that is available for Linux machines adding search xxxx.xxxx to /etc/resolv/conf or some other way of resolving this problem?

 



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  • 0

    That's normal. When you inquire server1 your OS will append the DNS suffix (domain.local in your case)

    On windows in you try to resolve server1 from nslookup it will show up:

    > nslookup server1

    But if you require server1 as a FQDN (with the dot at the end) it won't

    > nslookup server1.

     

    At the moment I'm unable to find a way for XG to set a search domain, nor I am sure it will do any good :P

  • 0 in reply to MassimoForni

    Correct, on Windows machines it is a Connection-specific DNS Suffix, on Linux machines you can add a search domain to /etc/resolv.conf and it will work fine.

    I am looking for something similar I can do on Sophos XG firewall, /etc/resolv.conf is RO and I don't think changing this file manually from the console is a good idea.  I know that this option is awaylable on UTM in Web filtering Advanced tab. 

  • 0 in reply to Biser Todorov

    I know it can be tedious, but I think unless you will change the dns suffix in the future, just put the whole FQDN :)

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