Rsyslog Eigene Regeln

Eigene Regeln

Einfache Regeln

Programname

• Logfile for tftpd

if $programname == 'in.tftpd' then /var/log/tftpd.log

facility-text

• 60-meinlog.conf

if $syslogfacility-text == 'local3'  then /var/log/meinelog

• systemctl restart rsyslog.service
• echo "Hallo Welt" | logger -p local3.warn
• tail -n 1 -f /var/log/meinelog

Sep  5 14:21:04 bajor root: Hallo Welt

contains

• rsyslog firewall Regel

expressions in parenthesis

• not, unary minus
• *, /, % (modulus, as in C)
• +, -, & (string concatenation)
• ==, !=, <>, <, >, <=, >=, contains (strings!), startswith (strings!)
• and
• or

legacy rsyslog

Beginnen mit einem $-Zeichen. Zum Setzen von Konfigurationsparametern.

$FileOwner syslog

RainerScript

Neues Format.

Generator für eine Konfigurationsdatei: http://www.rsyslog.com/rsyslog-configuration-builder/

Templates - Anpassen des Ausgabeformates

$template MyOwnFormat,"Debug line with all properties:\nFROMHOST: '%FROMHOST%', HOSTNAME: '%HOSTNAME%', PRI: %PRI%,\nsyslogtag '%syslogtag%',
programname: '%programname%', APP-NAME: '%APP-NAME%', PROCID: '%PROCID%', MSGID:  '%MSGID%',\nTIMESTAMP: '%TIMESTAMP%', STRUCTURED-DATA: '%STRUCTURED-DATA%',
\nmsg: '%msg%'\nescaped msg: '%msg:::drop-cc%'\nrawmsg: '%rawmsg%'\n\n"

*.*;auth,authpriv.none          /var/log/syslog;MyOwnFormat