Enabling Jail Apache Virtual Hosts Causes 404s on Some Sites

linux4me2

• August 30, 2016 13:39

I thought I'd pass along my experience implementing symlink race condition protection because it might help someone else. I'm running CentOs 6.8 on a Virtuozzo VPS with WHM 58 build 24 with EasyApache4. I was using the Event MPM with suPHP and was very happy with it, but after reading one of the affected accounts' shells resolved the problem for all the affected accounts, and it seems like everything is working just fine now. If you're going to try out mod_ruid2 like I did, before you enable Jail Apache Virtual Hosts, it would be a good idea to log in to at lease one users' shell account before doing so.

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  cPanelMichael

  • August 30, 2016 21:08

  Hello, Thank you for taking the time to share your experience, and to provide a workaround to others. Internal case CPANEL-3433 was opened to address an issue where enabling "EXPERIMENTAL: Jail Apache Virtual Hosts using mod_ruid2 and cPanel" jailshell." in "WHM >> Tweak Settings" resulted in websites failing to load. It was determined to have been isolated to the use of suPHP. The resolution to this case was to disallow the use of "EXPERIMENTAL: Jail Apache Virtual Hosts using mod_ruid2 and cPanel" jailshell." when suPHP is detected as the PHP handler. That said, I was able to reproduce the issue you have described without using suPHP in cPanel 58. However, it looks like the issue is addressed in cPanel version 60 because attempts to reproduce the issue on this version have failed. Thank you.

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