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Very Strange Routing Issue

By HRights ·
Background: State agency utilizing a NT only network, client machines mostly 95 a few 2000 pro using IE5.5 and Netscape 6.x browsers. We access the internet through a main state agency (we have a Cisco 2500 router that connects to the main state system).

now the issue: I have some users who must go to www.hud.gov in order to enter isses in a secure area within the site. On one day, my investigators were able to get to www.hud.gov and to the proper pages within that site using their windows 95 machines. The very next morning, when they tried to connect, they received the following error "connection refused when attempting to contact host" or "host not found." One time while I was attempting to get there on a win95 machine, I noticed in the lower left corner of the browser that it said connecting to site "www.www.hud.gov.org" then I received the connection refused error. On a side note, windows 2000 pro or NT 4.0 server or workstation are able to get to the site just fine. Any computer outside the state network can get there also (regardless of os). Tech support at the main state IS agecy says upgrade my operating system - they don't know what could be wrong. HELP!

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Very Strange Routing Issue

by Some Guy in Seattle In reply to Very Strange Routing Issu ...

Sounds to me as if this *is* an OS issue. Routing is not the problem - the traffic is getting there and back again otherwise you would just get a timeout instead of a "connection refused" error.

Since your users are accessing the hud.gov in a "secure area", I'm assuming you are using some kind of security scheme a la SSL (HTTPS) or something else. Now, without knowing the ins and outs of Win95 there may be an issue with how Win95 deals with the secure protocol. Note that this may also manifest as "IE 5.5 and Netscape 6 install fine on Win95, but the encryption protocol is not working properly or, at best, intermittently."

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

I should clarify some. Although my users are accessing a secure area within the HUD site, they are not able to access the public default page at www.hud.gov. This area does not require any security, so anyone from any machine can access the main page. These users are able to access all other public sites on the net (and any secure sites they need) only the www.hud.gov sites are unaccessable.

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Very Strange Routing Issue

by Raffi_ In reply to Very Strange Routing Issu ...

It could also be a cache problem. Are you doing your own DNS? If so, flush the cache. While you are at it, flush the IE and/or cache on the Win95 stations.

Are you using any kind of proxy?

Please keep us advised if you come up with a resolution to this one.

Regards
Raffi_

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

DNS is handled by a pair of servers at the main State Info resource management offices. I did attempt to create my own DNS server on a non production box I have. I was able to access the net utilizing this machine (but still not the site I need).
At the very begining of this mess, I went to a Win95 machine that was having problems, and cleared the history, cookies, temp internet, regular temp files, with no success. The admins of the DNS servers claim there is no problem with their machines (I still think the problem is with them, but have nothing to backup my gut feeling)

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

And to answer the other question, there is no proxy....

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Very Strange Routing Issue

by estebandelatorre In reply to Very Strange Routing Issu ...

I think that it isn't a routing problem, you may be facing an ie os problem.
There's may be a downloaded object from the web, which is now updated, and either the control does not work well for W9X clients of the object fails to get UPLOADED, so you must delete the objects manualy, conect again and let the browser upload the files from the web.
Go to The Internet properties, select Temporary Internet files, click on Configure, then on "Objects" Delete from here any suspicious oject that may be damaged or can belong to the URL.

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Very Strange Routing Issue

by HRights In reply to Very Strange Routing Issu ...

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Very Strange Routing Issue

by bf9 In reply to Very Strange Routing Issu ...

it was trying to connect 'www.www.hud.gov.org' instead of www.hud.gov... seems like browser was doing some auto-completion of hostnames. I beleive that browser just could not get the address via dns and tried to `complete` the address by itself. Check with nslookup dns resolution, if this works, then check/reinstall the browser software/bookmarks or so.

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