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sites sometimes not accessible

 
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krozno



Joined: 26 Jan 2011
Posts: 4

PostPosted: Thu Feb 10, 2011 7:33 pm    
Post subject: sites sometimes not accessible

I'm having problems with loading sites on the client computers. Not always able to open sites. Mainly with https sites but also others.
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alan
Forum facilitator


Joined: 26 Sep 2003
Posts: 4435

PostPosted: Fri Feb 11, 2011 6:56 am    
Post subject:

Please use command nslookup to confirm the DNS is working fine first.

Also, try different browser if you encounter the problem again.
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krozno



Joined: 26 Jan 2011
Posts: 4

PostPosted: Fri Feb 11, 2011 5:01 pm    
Post subject:

all web browsers act the same. When nslookup is run on client pcs it returns with DNS request timed out. When run on firstspot server it seems to run fine.
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alan
Forum facilitator


Joined: 26 Sep 2003
Posts: 4435

PostPosted: Mon Feb 14, 2011 8:52 am    
Post subject:

Definitely looks like DNS issue. Please:

1) change your Internet/Public Network Interface's DNS to one entry only
2) restart FirstSpot

Note that FirstSpot DNS server is really a relay, and it relies on the stability of your backend DNS server. Also, something changing MTU must help too, see http://patronsoft.com/forum/viewtopic.php?t=2080
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