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Description of problem:
Some TLS servers don't replay to graceful shutdown requests "for optimization".
This results in rsyslog's omfwd+gtls client to wait forever for a reply of the TLS server which never comes, due to shutting down the connection with gnutls_bye(GNUTLS_SHUT_RDWR).
Commands such as "systemctl restart rsyslog" just hang for 1m30 and rsyslogd gets killed upon timeout by systemd.
The hang can be reproduced at will when sending the logs to a Kiwi Syslog server, which apparently doesn't send the TLS reply upon connection termination request.
This is a request to backport PR https://github.com/rsyslog/rsyslog/pull/4424.
Version-Release number of selected component (if applicable):
rsyslog-8
How reproducible:
Always with a Kiwi backend but I don't have this to test myself.
Steps to Reproduce:
1. Stop rsyslog
Actual results:
systemd kills rsyslogd after 1min30
Expected results:
no killing
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (rsyslog and its related dependencies bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4193