Syslog Severity / Facility Decoder

Parse PRI from syslog headers: Facility = floor(PRI/8), Severity = PRI mod 8.

Decode PRI: Facility = floor(PRI/8), Severity = PRI % 8 (RFC 5424).

PRI: 34

Facility: 4 — auth (Security/authentication (auth))

Severity: 2 — Critical

Critical conditions

Syslog Severity / Facility Decoder helps you parse pri from syslog headers: facility = floor(pri/8), severity = pri mod 8. It is commonly used by network admins, IT support teams, ops engineers for syslog decoder, syslog priority, syslog facility severity.

Paste a line like <34>Oct 11 ... or enter a standalone PRI value.