Syslog Priority Calculator

Decode PRI values, build filter expressions, and reference RFC 5424 facility/severity codes.

PRI = (facility × 8) + severity  |  Valid range: 0–191

RFC 5424 Severity Reference
CodeKeywordDescriptionrsyslogjournald
0emergSystem is unusable*.emergemerg
1alertAction must be taken immediately*.alertalert
2critCritical conditions*.critcrit
3errError conditions*.errerr
4warningWarning conditions*.warningwarning
5noticeNormal but significant condition*.noticenotice
6infoInformational messages*.infoinfo
7debugDebug-level messages*.debugdebug
RFC 5424 Facility Reference
CodeKeywordDescription