Just to update you all, I've updated from squid2.6 to squid3.0 stable1. which I could get on Ubuntu site. Now checking for the errors, system under observation. ~~~~~~~~~~~~~~~~~~~ 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. > From: s2sameer@xxxxxxxxxxx > To: squid3@xxxxxxxxxxxxx > CC: msebedio@xxxxxxxxxxxx; squid-users@xxxxxxxxxxxxxxx > Date: Tue, 2 Dec 2008 06:09:19 +0000 > Subject: RE: errors while opening sites > > > Amos, > > The negative_ttl was set to Defaults, which I've now set to 0. > The negative_dns_ttl is unset ( as a Default), so I've not made any changes in this. > Let's see if this works. > >> Also check that they are actually being generated by your own squid, your > didn't understand this...? > >> upstream ISP may be having trouble with an old transparent proxy. > Do u mean this is an old proxy, as I've updated all the packages for Ubuntu from there repository site. & 2.6 is the only latest version which I could get. > Although I know, in real it is not the latest version, as the latest stable version of squid is 3.0 stable 10, to which I want to anyway update. > But I was waiting to resolve this problem 1st & once everything works properly, I wanted to upgrade it to 3.0 > So far I'm searching for the documentation for, how to upgrade the squid 3.0 in ubuntu as some parameters are changed in Ubuntu > & I need to do the customized installation. > Anyone Correct me if I'm wrong. > > ~~~~~~~~~~~~~~~~~~~ > 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: Tue, 2 Dec 2008 12:45:35 +1300 >> Subject: RE: errors while opening sites >> From: squid3@xxxxxxxxxxxxx >> To: s2sameer@xxxxxxxxxxx >> CC: msebedio@xxxxxxxxxxxx; squid-users@xxxxxxxxxxxxxxx >> >>> >>> Dear Mariel, >>> >>> This is not happening about any particular site. This can happening with >>> any site >>> & in next 3-5mins time the same site/web page works properly. >>> >> >> Just a thought. >> Check that negative_ttl is set to 0 seconds (default when unset on older >> squid was 5 minutes which is suspiciously similar) and that >> negative_dns_ttl is at least 10 seconds (or unset for default). >> >> Also check that they are actually being generated by your own squid, your >> upstream ISP may be having trouble with an old transparent proxy. >> >> Amos >> >>> >>> ~~~~~~~~~~~~~~~~~~~ >>> 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 09:00:03 -0200 >>>> From: msebedio@xxxxxxxxxxxx >>>> To: s2sameer@xxxxxxxxxxx >>>> CC: squid3@xxxxxxxxxxxxx; squid-users@xxxxxxxxxxxxxxx >>>> Subject: Re: errors while opening sites >>>> >>>> Clear the cache, may be the source for your problem. I had this problem >>>> whit another URL and I had resolved doing this. >>>> >>>> Bye, Mariel >>>> >>>> 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/ >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> Lic. Mariel Sebedio >>>> Division Computos y Sistemas >>>> Tel (02944)-445400 int 2307 >>>> INVAP S.E. - www.invap.com.ar > > > _________________________________________________________________ > Get more done, have more fun, and stay more connected with Windows Mobile®. > http://clk.atdmt.com/MRT/go/119642556/direct/01/ Proud to be a PC? Show the world. Download the “I’m a PC” Messenger themepack now. Download now. Proud to be a PC? Show the world. Download the “I’m a PC” Messenger themepack now. Download now. _________________________________________________________________ Get more done, have more fun, and stay more connected with Windows Mobile®. http://clk.atdmt.com/MRT/go/119642556/direct/01/