dockerfiles/postfix/rsyslog.conf

# rsyslog v5: load input modules
# If you do not load inputs, nothing happens!
# You may need to set the module load path if modules are not found.

$ModLoad immark.so # provides --MARK-- message capability
$ModLoad imuxsock.so # provides support for local system logging (e.g. via logger command)
#$ModLoad imklog.so # kernel logging (formerly provided by rklogd)

# default permissions for all log files.
$FileOwner root
$FileGroup adm
$FileCreateMode 0640
$DirCreateMode 0755
$Umask 0022

# Include configuration files from directory
$IncludeConfig /etc/rsyslog.d/*

# Check config syntax on startup and abort if unclean (default off)
#$AbortOnUncleanConfig on

# Reduce repeating messages (default off)
#$RepeatedMsgReduction on

# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.*                                                 /dev/console

# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none                -/var/log/messages

# The authpriv file has restricted access.
authpriv.*                                              /var/log/secure

# Log all the mail messages in one place.
mail.*                                                  -/var/log/mail.log

# Log cron stuff
cron.*                                                  -/var/log/cron

# Everybody gets emergency messages
#*.emerg                                                 *

# Save news errors of level crit and higher in a special file.
uucp,news.crit                                          -/var/log/spooler

# Save boot messages also to boot.log
local7.*                                                /var/log/boot.log

# More configuration examples:
#
# Remote Logging (we use TCP for reliable delivery)
# An on-disk queue is created for this action. If the remote host is
# down, messages are spooled to disk and sent when it is up again.
#$WorkDirectory /var/spool/rsyslog # where to place spool files
#$ActionQueueFileName uniqName # unique name prefix for spool files
#$ActionQueueMaxDiskSpace 1g   # 1gb space limit (use as much as possible)
#$ActionQueueSaveOnShutdown on # save messages to disk on shutdown
#$ActionQueueType LinkedList   # run asynchronously
#$ActionResumeRetryCount -1    # infinety retries if host is down
#$ActionResumeInterval 30      # retry interval
# remote host is: name/ip:port, e.g. 192.168.0.1:514, port optional
#*.* @@remote-host

# Remote Logging with TCP + SSL/TLS
#$DefaultNetstreamDriver gtls
#$DefaultNetstreamDriverCAFile /etc/ssl/rsyslog/rsyslog_ca.cert.pem
#$DefaultNetstreamDriverCertFile /etc/ssl/rsyslog/rsyslog_CLIENT.cert.pem
#$DefaultNetstreamDriverKeyFile /etc/ssl/rsyslog/rsyslog_CLIENT.key.pem
#$ActionSendStreamDriverAuthMode x509/name # enable peer authentication
#$ActionSendStreamDriverPermittedPeer foo # authorize to send encrypted data to server foo
#$ActionSendStreamDriverMode 1 # run driver in TLS-only mode

# ######### Receiving Messages from Remote Hosts ##########
# TCP Syslog Server:
#$ModLoad imtcp  # provides TCP syslog reception
#$TCPServerRun 10514 # start a TCP syslog server at port 10514

# TCP + SSL/TLS Syslog Server:
#$ModLoad imtcp  # provides TCP syslog reception
#$DefaultNetstreamDriver gtls # use gnuTLS for data encryption
#$DefaultNetstreamDriverCAFile /etc/ssl/rsyslog/rsyslog_ca.cert.pem
#$DefaultNetstreamDriverCertFile /etc/ssl/rsyslog/rsyslog_SERVER.cert.pem
#$DefaultNetstreamDriverKeyFile /etc/ssl/rsyslog/rsyslog_SERVER.key.pem
#$InputTCPServerStreamDriverMode 1 # run driver in TLS-only mode
#$InputTCPServerStreamDriverAuthMode x509/name # enable peer authentication
#$InputTCPServerStreamDriverPermittedPeer bar # authorize client named bar (one line per client)
#$TCPServerRun 10514 # start a TCP syslog server at port 10514

# UDP Syslog Server:
$ModLoad imudp.so  # provides UDP syslog reception
$UDPServerRun 514 # start a UDP syslog server at standard port 514