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Issue with infinite redirects and 404 errors when visiting my forum.
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Posted by Xtreme2damax, 04-13-2010, 05:26 PM A couple things to mention, I use an encoded SEO solution (Community Seo) for IPB3 and an encoded Arcade modification. I just recently purchased a VPS and moved all sites to the VPS. I ran into an issue a couple days back where visiting my forum would give infinite redirects when visiting the index and portal pages in Firefox (the usual Firefox has detected the server isn't redirecting the page properly), I get a 404 error when visiting my forum in Internet Explorer 8. Please keep in mind nothing changed on my site that would cause this issue. This only happens when I'm not logged into my forum, as long as I'm logged in I am able to browse normally, the infinite redirects and 404 errors only happen to guests on the index and portal pages. Also guests are able to access every other page on the forum and site except for the forum index and portal. Both the index and portal pages are rewritten by the encoded SEO modification I mentioned above. My host seems to think it was an issue with my site even though I'm sure it's not, reason being is replacing all files in my forum with a backup fixed the issue. Even though replacing the files in my forum directory fixed this the issue, I am confident and particular this is a server side issue. I had them re-image my VPS and restore my account due to making a mess out of the VPS the last time. Everything was working fine on my site when I ran Apache in DSO mode, however I noticed strange permission issues with running Apache as a DSO and I also host other sites so I opted to go with a combination of FastCGI, Zend Optimizer and eAccelerator. So I start EasyApache and select the following Apache and PHP modules/extensions: Apache Modules: Mod FCGID MPM Prefork Other Modules: Mod SuPHP Mod Bandwidth Suhosin for PHP Source Guardian Loader for PHP PHP modules/extensions: FastCGI Force CGI Redirect After enabling these and recompiling PHP and Apache, I start having the same exact problem again and reproduced the same problem through this method. I can't figure out what these extensions/modules did or how to solve it short of replacing the files in the forum directory with a backup of before the change which I don't think is an option now, it seems these modules/extensions modified a file somewhere in my forum directory or did something else. I've tried informing my host of this but they keep insisting it's a problem with my site, which I am particular it isn't as nothing has changed on my site that would cause this. So the only possible explanation is what changed on the server as I mentioned above. I'm at a loss what to do, I've already tried deselecting these and recompiling PHP and Apache again with EasyApache to no avail. I hope that someone here can figure out what the issue may be and help me solve it.
Posted by ServerSitters_Paul, 04-14-2010, 12:36 PM What happens if you try accessing a page that doesn't exist? Does that also cause a looping 404 error? If not then the 404 loop is being created by the application and not your configuration. It sounds like the guest page or requires login page that it's redirecting to doesn't exist and neither does the 404 page. This is probably caused by a switch between php methods from dso to cgi or suphp. I would try switching between the various php configurations to see if it makes a difference: suphp, dso, cgi
Posted by Xtreme2damax, 04-14-2010, 10:09 PM I've fixed this issue.. I have to give props to KnownHost-P for being as helpful and patient with me as he was, even though the problem was indeed a problem with my site he was willing to help. I feel kind of stupid for insisting it was a problem with the server, when it was in fact a problem with my site as he said.
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