https://bz.apache.org/bugzilla/show_bug.cgi?id=65914
Bug ID: 65914
Summary: Websites stop responding after update to httpd 2.4.52
Product: Apache httpd-2
Version: 2.4.52
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: All
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
We had an issue where some of the proxy server were not receiving any
traffic. The access logs for the site simply flatline without errors or
entries in the httpd logs or other service level logging. Users requests would
not complete back to their browsers with no sign of any issue in the hosting
server.
This occurred on a few difference servers that range from low traffic and
heavy traffic.
The issues had occurred on the servers more than once in a day. But on other
servers did not repeat for 3 to 4 days with no visible pattern. S
ome of the s servers were the issues occurred are used for reverse proxies, and
some are basic hosting instances.
When the httpd service was restarted the issue would clear up.
We had set-up to try to “freshen” server with an automated restart very early
morning and the issue still occurred without pattern or apparent reason.
We made the decision based on our analysis to revert the httpd update back to
the previous version. We confirmed that there no SELinux conflicts. We also
attempted to add a nightly scheduled restart and the issue would still occur.
The issue occurred on the following software version:
The OS version is 5.16.2-1.el7.elrepo.x86_64
The httpd version is httpd 5.4.52 (reverting to 5.4.51 stop occurrence of the
issue)
We are also using mpm in our configuration.
No related log error entries were found in any of the following log files:
/var/log/messages
/var/log/secure
/var/log/audit/audit.log
/var/log/httpd/access_log
/var/log/httpd/error_log
/var/log/httpd/(site specific}_access_log
/var/log/httpd/(site specific}_error_log
/var/log/httpd/modsec_audit
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