1 Topic by bsaidus

  • bsaidus
  • Member
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  • Registered: 2011-06-20
  • Posts: 7

Topic: dns lookup problem from outside

hello friends .
I have installed fresh ubuntu server 10.04.2 and configured bind9
all works fine (from winxp I can resolve the dns with nslookup )
so since I have installed IRedMAil in this distro (with success ).. I ca't resolve the dns from outside(LAN of course)
(nslookup from PC with xp  dont work ) but works in ubuntu .(before installing iredmail all the dns resolving works well)
even when i disable uwf
help me please ....

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2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
  • Online
  • Registered: 2009-05-06
  • Posts: 31,088

Re: dns lookup problem from outside

- Bind requires TCP port 53, is it open in your firewall?
- Do you set Bind to bind only address '127.0.0.1'? If so, only your ubuntu server can use this DNS service. For example:

        listen-on port 53 { 127.0.0.1; };

Reference:
http://www.iredmail.org/wiki/index.php? … DNS.Server