rsyslog - 8.2102.0-2+deb11u1 main

Rsyslog is a multi-threaded implementation of syslogd (a system utility
providing support for message logging), with features that include:
* reliable syslog over TCP, SSL/TLS and RELP
* on-demand disk buffering
* email alerting
* writing to MySQL or PostgreSQL databases (via separate output plugins)
* permitted sender lists
* filtering on any part of the syslog message
* on-the-wire message compression
* fine-grained output format control
* failover to backup destinations
* enterprise-class encrypted syslog relaying
.
It is the default syslogd on Debian systems.