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craziest issue i've ever had

J

Journer

Banned
ok...here is the issue. i cannot access this ONE domain: cs.ua.edu

I only need it for one class, but the thing is, i can get to the website from anywhere on my network except my main box (the one i program on).

If i hop on my server, the website opens just fine.

try to go to it on my pc, and it just acts like it isnt there. i tired FF and IE. reinstalled FF and still no luck.

i checked my host file for oddities and nothing is there that shouldn't be.
i've rebooted, release/renewed my dns. rebooted my router..

wtf gives? why does my computer hate this ONE website?
 
also, i tried to ping the domain and it returns the ip but all the responses time out
i'm guessing this should rule out any security settings in the browsers...windows firewall is off and i dont have any other firewalls besides my router/firewall
 
Telnet cs.ua.edu 80

Once the session opens type GET /index.html
and then hit return, you should get back some HTTP code. If you are unable to do the initial connection then something is wrong with filtering or DNS. To confirm dns is right type "nslookup cs.ua.edu" and make sure you get the same address on each computer.
 
it appears that i cannot telnet to any domain.. 😵... i tried telnetting to google, ua.edu and cs.ua.edu it just says connecting then it says press any key to continue then goes back to the main telnet screen. i had to enable telnet under vista first then opened telnet.exe. then type: o ua.edu 80
i also tried: o ua.edu [80]

same thing...except it says could not open connection on port [80]
wtf mate?
 
Well, we're still stuck at layer3/4.

Notice that you need to telnet to a PORT.

Stop trying to use a domain, a domain is not a host. You need to telnet to an ACTIVE and LISTENING port for a specific HOST. This opens a TCP connection/SOCKET to that host.
 
A. All the other PCs on your network are able to access the web site. That rules out an IP block against your IP address. (Assuming you are using a router and NAT for your internal network).

B. You are able to resolve an IP address (by first flushing your DNS cache and then pinging the server), so you don't have a DNS issue. Many servers don't return a ping, so the lack of a ping response from a site means nothing.

C. You implied that you can access ANY other web site but this single one, right? If so that basically rules out a firewall issue...unless it's a VERY specific firewall rule.

Is the operating system on your problem child the same as on your other PCs?
 
A: true, internal NAT
B: i guesst, when i ping the domain name it returns: pinging cs.ua.edu [ip] but returns nothing
C: thats correct, no issues except for the cs.ua.edu subdomain. all other UA.edu sites as well as any other website i go to works fine

no. this is vista ultimate x64. however my server is 2008 x64 so that is pretty similar. other PCs on my network include linux boxes, osx box, and xp box.

spidey: i did what you post above said: telnet cs.ua.edu 80 it never did anything but make an error noise and close the window
 
Originally posted by: Journer
B: i guesst, when i ping the domain name it returns: pinging cs.ua.edu [ip] but returns nothing
Click to expand...
The issue of a functional DNS is evidenced by the returned message:
"Pinging xxx.xxx.xxx.xxx"
That indicates that DNS is functioning properly. If there was a DNS issue, it'd tell you that it can't find the host. Assuming, of course, that you are getting the "correct" IP address (130.160.46.26).

What's the EXACT error message you get from Internet Explorer when you try to access the cs.ua.edu web site?
 
yes, when i ping i get that IP, but no response.

IE says: IE cannot display the webpage, possible causes, etc.

firefox says: the connection was reset. the connection to the server was reset while the page was loading, possible causes, etc.
 
I would suspect that the web host has been having problems. I'm getting 503 Service Unavailable when I try to connect.
 
Originally posted by: Journer
yes, when i ping i get that IP, but no response.

IE says: IE cannot display the webpage, possible causes, etc.

firefox says: the connection was reset. the connection to the server was reset while the page was loading, possible causes, etc.
Click to expand...

WHAT IS THE EXACT MESSAGE YOU GET. Turn off abrieviated errors in your browser options so it gives you real information.

Because what you posted is two different symptoms from two different browsers.
 
Did UA just change their CS Departmental Home Page?

Today, I'm getting varied responses from that site, including "Connection Refused" and totally different page layouts each time I open that page and missing photos.

Have you tried calling or emailing the webmaster or your IT department and telling them your problem? I don't know about yesterday, but today, it looks like that web page or web server is messed up.
 
spidey: never turned those options off before, so let me figure out how to do that when i get home
rebate: well, last month the entire ua.edu domain had issues. i don't know if the CS dpt is doing something but the thing is, i can try to get to the page at the SAME time i do on my server. server loads fine, workstation doesnt. I know it has to be an issue with just this workstation, nothing else would make sense 😕
slow: yah, this is what i get at work too :sigh;
 
To me this is starting to sound a bit like it might be a bad cable or network card (or driver) with issues transferring data (more then a frame or two). Just as a troubleshooting measure, I suggest booting a LiveCD (like for example ubuntu 7.04) and trying to access the page, though it is just a "shot in the dark" idea, as well as replacing the network cable, just another shot in the dark. It's always possible and neither of these would be much trouble to try.
 
Check your software firewall on the affected box. Sometime in the past you may have blocked or applied a filter that was a little broad and you're blocking that address as an unintended consequence.

(same for pop-up blockers, spyware blockers, etc ...)

Also verify your java VM version, make sure you don't have javascript blocked, try another browser (IE instead of FF or vice versa) ...

Clear your cookies and cache too.
 
ok, well. i leave for the weekend and turn my server and main pc off. i come home today and turn my main pc on...the website is working again. wtf...
 
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