On Fri, 2006-08-25 at 10:21 -0400, Matt Morgan wrote: > I'm having a new (to me), strange networking problem on an FC5 install > on a new computer. Basically, I can't make some network connections to > some sites. The best way to explain this is probably with some > examples: > > 1) I can ssh to my own server. > 2) I can http to my own server, but I can't download the image on my > home page (a very small png). Nor can I get the squirrelmail home page > to load from that server. > 3) I can login via IMAP to my own server, but then Thunderbird times > out when downloading mail. > 4) I can login via POP3 to my ISP email account, but then Thunderbird > times out when downloading mail. > 5) I can get to any google web site, like my gmail, and to > register.co.uk via http, but I can't download slashdot pages or New > York Times pages or most other web pages (timeout on "Waiting for > /server/"). > > In all the cases of failure, it's not DNS--I get the address fine. > > On the same computer I have a Windows XP install, where all these > things work fine. So I know it's not hardware. For what it's worth, > everything worked fine for a about a day and a half before I lost some > networking. I'm clueless as to what might have changed since it > worked. > Hi Matt, My initial thought was it may be something between your computer and the Internet, but since your Windows XP works fine, then that can't be it. You may want to try the following, in order: -- Try turning off iptables and SELinux -- check if you have installed any extensions to your browser (I assume it is firefox?) that may interfere with browsing -- Try running wget -- Try using telnet to port 80 on a remote machine -- Try running traceroute to see where your packets go. -- Pascal Chong email: chongym@xxxxxxxxxxxxxx web: http://cymulacrum.net pgp: http://cymulacrum.net/pgp/cymulacrum.asc "La science ne connaît pas de frontière parce que la connaissance appartient à l’humanité. et que c’est la flamme qui illumine le monde." -- Louis Pasteur
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