Are you using /etc/resolve.conf or dns_nameservers in squid.conf if /etc/resolve.conf used how may entry are there i mean the number of name servers Do the following eg: If you have 3 nameserver 10.0.0.1 nameserver 10.0.0.2 nameserver 10.0.0.3 comment out one by one and run time host google.com check how much time taken by each of them. //Remy On Mon, 2008-12-01 at 11:47 +0000, Sameer Shinde wrote: > Dear Amos, > > Thanks for the reply. > We are using the same DNS servers for our existing proxy server which is ISA2000 & is working properly without any problems. > We want to shift from MS-ISA2000 proxy server to Linux Squid proxy server, so we are building up this new proxy server. > > More over if I access the internet from the Ubuntu proxy server itself, we don't get any such errors. > > Can you / anyone let me know how can we resolve these issue. > Also for your information that, so far ubuntu server is just a member server in our enviornment & there is no DNS server configured in Ubuntu server. > May be this will help you for finding some outputs. > > > ~~~~~~~~~~~~~~~~~~~ > Thanks & Regards, > Sameer Shinde. > Sr. Customer Support Engineer, > Email:- s2sameer@xxxxxxxxxxx > M:- +91 98204 61580 > http://www.geocities.com/s9sameer > If everyone is thinking alike, then somebody isn't thinking. > > > > Date: Mon, 1 Dec 2008 23:19:58 +1300 > > From: squid3@xxxxxxxxxxxxx > > To: s2sameer@xxxxxxxxxxx > > CC: squid-users@xxxxxxxxxxxxxxx > > Subject: Re: errors while opening sites > > > > Sameer Shinde wrote: > >> Dear All, > >> > >> I've installed squid 2.6 installed on my ubuntu8.0.4 server. I'm getting errors like attached one frequently. > >> It says, "Unable to determine the IP address from host name "anything", but after some time say even after 5 mins the same > >> page / site opens. I'm not able to figure out why is this happening. > >> The error appears for any domain & is not particular to any domain. > >> > >> Can anyone help me out in this. > >> I'm not able to bring the server in live mode due to this problem. > > > > The DNS server being used by your system for lookups is having major > > problems. > > You will need to do some serious debugging to find out why. Things to > > look for are DNS server overload, traffic congestion, lack of recursive > > queries, etc. > > > > Amos > > > >> > >> -------------------------------------------------------------------------- > >> Error Message: > >> The requested URL could not be retrieved. > >> While trying to retrieve the URL: http://www.squidguard.org/Doc/install.html > >> > >> The following error was encountered: > >> Unable to determine IP address from the host name for www.squidguard.org > >> > >> The dnsserver returned: > >> Refused: The name server refuses to perform the specified operation. > >> > >> This means that: > >> The cache was not able to resolve the hostname presented in the URL. > >> Check if the address is correct. > >> ----------------------------------------------------------------------------- > >> > >> ~~~~~~~~~~~~~~~~~~~ > >> Thanks & Regards, > >> Sameer Shinde. > >> Sr. Customer Support Engineer, > >> Email:- s2sameer@xxxxxxxxxxx > >> M:- +91 98204 61580 > >> http://www.geocities.com/s9sameer > >> If everyone is thinking alike, then somebody isn't thinking. > >> > >> > >> > >> _________________________________________________________________ > >> Access your email online and on the go with Windows Live Hotmail. > >> http://windowslive.com/Explore/Hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_access_112008 > > > > > > -- > > Please be using > > Current Stable Squid 2.7.STABLE5 or 3.0.STABLE10 > > Current Beta Squid 3.1.0.2 > > _________________________________________________________________ > Get more done, have more fun, and stay more connected with Windows Mobile®. > http://clk.atdmt.com/MRT/go/119642556/direct/01/
