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Isa 2006 Error 11001 Host Not Found

edwaltMarch 27, 200614 Share 0 0 So heres the deal. You have clients behind ISA 2004, trying to browse to a redirecting website. The site starts with an http connection, the error code 11001 in tally user is prompted to logon, or the site redirects to a more secure connection error is 11001: host not found nomachine .The interesting thing is that it workedBEFORE installing ISA 2004 Service Pack 2. Hmmmmmmm. When trying to connect to the https error code 11001 no such host is known portion of the site various errors are returned: 400 bad request. 11001: host not found. http://%20 example .comom Why is this happening? It appears the problem is caused because ISA will add spaces between some headers socket error 11001 host not found windows 7 and their values. If this happens some webservers see the space as the beginning of the hostname. Theserver then redirects the browser to a website that begins with a space that fails. The browser then fails because it cannot access the malformed URL. How do I fix this? Open ISA Server Management Configuration Add-Ins Web Filters Properties of the "Compression filter" - Uncheck "Enable this filter" Properties of the "Caching compressed content

Error 11001 Maplestory

filter" -Uncheck "Enable this filter" Select Apply at the top of the screen to apply the changes. >edwalt

Comments (14) Cancel reply Name * Email * Website Jason O'Rourke says: September 7, 2006 at 5:19 pm Buddy, seriously, thank you so much for this information, it helped me heaps. I had a similar error which I had troubleshot for a day and had eventually gained enough info to find this page, and your advice fixed the problem. Same thing, prob appeared after SP2, but I had different error messages. Was causing alot of frustration and I couldn't find help anywhere. ISA logs weren't providing useful data either :o/ Cheers mate! Jason - AU Reply zxevil135 says: March 1, 2008 at 2:11 am vRH8of r u crazzy? I told u! I can't read! Reply zxevil135 says: March 1, 2008 at 2:11 am smO1hF r u crazzy? I told u! I can't read! Reply zxevil135 says: March 1, 2008 at 2:12 am ftytUb r u crazzy? I told u! I can't read! Reply zxevil136 says: March 2, 2008 at 12:24 am VYf1dI r u crazzy? I told u! I can't read! Reply zxevil134 says: March 7, 2008 at 2:00 am QQW3qq r u crazzy? I told u! I can't read, man! R

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Error 11001 No Such Host Is Known

none Logged in as: Guest Tree Style Printable Version All Forums socket error 11001 host not found prtg >> [ISA Server 2004 Firewall] >> General >> Error Code 11001: Host not found Page: [1] Login Message << Older Topic Newer Topic >> Error Code 11001: Host not found - 20.Apr.2010 5:56:56 AM ellisramkumar Posts: 30 Joined: 8.May2007 Status: offline Dear All, We are receive the Following error https://blogs.technet.microsoft.com/edwalt/2006/03/27/11001-host-not-found-what-it-was-there-earlier/ when we are trying to open www.microsoft.com but i can open www.hotmail.com. Error: Technical Information (for support personnel) Error Code 11001: Host not found Background: This error indicates that the gateway could not find the IP address of the website you are trying to access. This is usually due to a DNS-related error. Date: 4/11/2010 9:45:11 AM Server: domain.com Source: DNS error We are http://forums.isaserver.org/Error_Code_11001%3A_Host_not_found/m_2002100176/tm.htm Using ISA 2004 Could you please help me this issue Thanks Post #: 1 Featured Links* RE: Error Code 11001: Host not found - 20.Apr.2010 6:30:16 AM Jason Jones Posts: 4663 Joined: 30.Jul.2002 From: United Kingdom Status: offline How is DNS configured within your environment and on the network cards? _____________________________Jason Jones | Forefront MVP | Silversands Ltd My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/ (in reply to ellisramkumar) Post #: 2 RE: Error Code 11001: Host not found - 20.Apr.2010 8:04:23 AM ellisramkumar Posts: 30 Joined: 8.May2007 Status: offline Dear Jason Jones, It was like follows: for Internal nic - Local DNS Setting and external nic - ISP DNS Setting, but today only i changed the external DNS setting same like Internal DNS setting as per some expert comment, but no use. Thanks < Message edited by ellisramkumar -- 20.Apr.2010 8:10:20 AM > (in reply to Jason Jones) Post #: 3 RE: Error Code 11001: Host not found - 20.Apr.2010 8:21:32 AM paulo.oliveira Posts: 3472 Joined: 3.Jan.2008 From: Amazon, Brazil Status: offline Hi, you should configure your ISA NICs as following: http://blog.msedge.org.uk/2010/04/recommended-network-card-configuration_14.html Regards, Pau

get the following error message:Error Code 11001: Host not foundBackground: This error indicates that the gateway could not find the IPaddress of the website you are trying to access. This is usually due to aDNS-related error.Date: http://microsoft.public.isa.narkive.com/wI3N3azs/error-code-11001-host-not-found 10/10/2006 14:47:57Server: bekiisa1.ki.comSource: DNS errorError Code 11001: Host not foundSetup:- ISA Server2004 Edge firewall SP2 - Webproxy clients- I think it's not a DNS error, I'm able to resolve the name on http://www.tech-archive.net/Archive/ISA/microsoft.public.isa/2006-10/msg00236.html our DNSserver.- I've disabled the compression, diffserv, http filter but still the sameerror.Thx. s***@hotmail.com 2006-10-10 19:46:02 UTC PermalinkRaw Message Post by NikCertain websites not accessible e.g.www.nextiraone.bewww.macline.beError Code 11001: Host not foundBackground: This error 11001 error indicates that the gateway could not find the IPaddress of the website you are trying to access. This is usually due to aDNS-related error.Date: 10/10/2006 14:47:57Server: bekiisa1.ki.comSource: DNS errorError Code 11001: Host not found- ISA Server2004 Edge firewall SP2 - Webproxy clients- I think it's not a DNS error, I'm able to resolve the name on our DNSserver.- I've disabled the compression, diffserv, http host not found filter but still the sameerror.Thx.I would run a couple of checks if i were you:1) Check if the sites are accessible on the ISA box itself. First checkif the names are resolvable.2) Access the sites based on their IP addresses both on the ISA box andclients. Nik 2006-10-18 12:48:21 UTC PermalinkRaw Message I'm able to resolve the names on the ISA server.Strange enough the websites are accessible from a client, why I don'tknow??? But it's working now. When I had the problem I was also able toresolve the names on the ISA.Post by NikCertain websites not accessible e.g.www.nextiraone.bewww.macline.beError Code 11001: Host not foundBackground: This error indicates that the gateway could not find the IPaddress of the website you are trying to access. This is usually due to aDNS-related error.Date: 10/10/2006 14:47:57Server: bekiisa1.ki.comSource: DNS errorError Code 11001: Host not found- ISA Server2004 Edge firewall SP2 - Webproxy clients- I think it's not a DNS error, I'm able to resolve the name on our DNSserver.- I've disabled the compression, diffserv, http filter but still the sameerror.Thx.I would run a couple of checks if i were you:1) Check if the sites are accessible on th

it's working now. When I had the problem I was also able to resolve the names on the ISA. wrote in message news:[email protected] ?/? Nik ??????: Certain websites not accessible e.g. www.nextiraone.be www.macline.be I'm able to surf to other websites. I get the following error message: Error Code 11001: Host not found Background: This error indicates that the gateway could not find the IP address of the website you are trying to access. This is usually due to a DNS-related error. Date: 10/10/2006 14:47:57 Server: bekiisa1.ki.com Source: DNS error Error Code 11001: Host not found Setup: - ISA Server2004 Edge firewall SP2 - Webproxy clients - I think it's not a DNS error, I'm able to resolve the name on our DNS server. - I've disabled the compression, diffserv, http filter but still the same error. Thx. I would run a couple of checks if i were you: 1) Check if the sites are accessible on the ISA box itself. First check if the names are resolvable. 2) Access the sites based on their IP addresses both on the ISA box and clients. . References: Error Code 11001: Host not found From: Nik Re: Error Code 11001: Host not found From: stathisgotsis Prev by Date: ISA Firewall blocks printers Next by Date: Re: Windows Automatic Updates on ISA Server Previous by thread: Re: Error Code 11001: Host not found Next by thread: RE: ISA bug blocking IAS authentication? Index(es): Date Thread Flag as inappropriate (AWS) Windows Science Usenet ArchiveAboutPrivacyImprint www.tech-archive.net >Archive >ISA >microsoft.public.isa >2006-10

 

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how to fix error code 11001 host not found

How To Fix Error Code Host Not Found p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by Error Code Host not found Forefront Forefront TMG and ISA Server Question Sign in to vote I have ISA it has error code no such host is known interfaces internal DMZ and i have applied rules - allow internal error code in tally and local host to external all protocols for all users - allow my internal DNS to query dns from my p Error Is Host Not Found Nomachine