Port 53 Closed

 
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svankamon
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Joined: 01 Apr 2007
Posts: 148
Location: Chesterfield UK

PostPosted: Tue May 27, 2008 11:52 am    Post subject: Port 53 Closed Reply with quote

Hi, im trying to run simple dns but the default port 53 is closed. I did a scan and the error port 53 closed was evident. When i start simple dns it says cant start service on my IP address port 53 udp. Port is used by another application. How can i find the application using port 53 and how can i open it. Ive tried opening windows firewall on tcp/udp port 50 but to no avail. Siimple dns is an exception in the firewall but the thing wont start up. I set it to 63 for a while and it worked but now it wont have it. Any ideas please. Much apreciated thank you.
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olly86
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Joined: 25 Apr 2003
Posts: 993
Location: Wiltshire, UK

PostPosted: Tue May 27, 2008 4:06 pm    Post subject: Reply with quote

Take a look at this app it should tell you what ports are in use.

http://technet.microsoft.com/en-gb/sysinternals/bb897437.aspx
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Olly
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svankamon
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Joined: 01 Apr 2007
Posts: 148
Location: Chesterfield UK

PostPosted: Tue May 27, 2008 4:22 pm    Post subject: Incompatible Reply with quote

Sorry i tried all compatibilities but it just does a quick scan then disapears. iM on server 2003.
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olly86
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Joined: 25 Apr 2003
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Location: Wiltshire, UK

PostPosted: Tue May 27, 2008 4:27 pm    Post subject: Reply with quote

OK, this utility serves the same purpose, but is not however a Microsoft product. But should give the required results.

http://www.nirsoft.net/utils/cports.html
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Olly
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aprelium
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Joined: 22 Mar 2002
Posts: 6800

PostPosted: Tue May 27, 2008 4:34 pm    Post subject: Re: Port 53 Closed Reply with quote

svankamon,

You can use ActivePort from http://www.protect-me.com/freeware.html to help you know which application is using port 53.
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svankamon
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Joined: 01 Apr 2007
Posts: 148
Location: Chesterfield UK

PostPosted: Tue May 27, 2008 4:55 pm    Post subject: success Nearly? Reply with quote

Scanned it and the culprit is:

csvhost.exe Generic Host Process for Win32 Services.

LOL, that helps what the heckdo i do with that now. csvhost also uses lots of other ports.

which alternative port could i use????

Oh by the way thanks. Much apreciated.
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svankamon
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Joined: 01 Apr 2007
Posts: 148
Location: Chesterfield UK

PostPosted: Tue May 27, 2008 4:57 pm    Post subject: Correction Reply with quote

svchost
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