Edit report at https://bugs.php.net/bug.php?id=68751&edit=1
ID: 68751
Comment by: bananoff at gmail dot com
Reported by: remi@php.net
Summary: listen.allowed_clients is broken
Status: Closed
Type: Bug
Package: FPM related
Operating System: GNU/LInux
PHP Version: 5.5.20
Assigned To: remi
Block user comment: N
Private report: N
New Comment:
5.5.20-2.el7.remi bug is still there. Linux 3.10.0-123.13.2.el7.x86_64 #1 SMP Thu Dec 18 14:09:13
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux; CentOS Linux release 7.0.1406 (Core).
Previous Comments:
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[2015-01-19 01:15:26] gui@php.net
FYI, a patched 5.5.20 fixes the issue.
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[2015-01-08 18:19:59] gui@php.net
@iquito : I'll try to provide (patched 5.5.20 / 5.5.21 if available) packages in the next few
days, so that we can provide feedback to @remi.
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[2015-01-06 19:56:05] iquito at gmx dot ch
Sorry, but I have never done anything like it - that is why I use debian packages, I have never
compiled anything myself and only use well-tested repositories.
I just wanted to describe the error, because I am a "regular user" of PHP who tries to be
cautious with upgrading and configuration because of limited resources and in-depth knowledge, but
was still stuck with this problem and it had a catastrophic effect on my web servers. That is why I
have already tested for hours to somehow "isolate" what happens and make an accurate
description, so somebody more experienced and familiar with PHP can find and understand the problem
behind it.
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[2015-01-06 18:49:39] remi@php.net
@iquito: so please, test the fix.
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[2015-01-06 18:39:11] iquito at gmx dot ch
I have a problem with PHP-FPM which seems to be connected to this bug. The detailed version is on https://github.com/gplessis/dotdeb-php5/issues/69
, the short of it is:
When multiple addresses are listed in listen.allowed_clients for just one FPM pool config, FPM
terminates any further connections from any IP addresses of any pool after one request to any of the
pools (as far as I can tell). Only if all pools only have one IP address in listen.allowed_clients
FPM seems to work normally again.
This has lead to a complete FPM failure on all of my servers without a hint of where the problem
occured, except it is somehow related to FPM, as CLI still worked.
In my opinion, PHP 5.5.20 should not be further distributed as long as this bug is contained in it,
as existing configurations are likely to break - multiple IPs in listen.allowed_clients seem a
common configuration choice, and mitigating this problem is not straightforward.
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