understanding syslog logs format [closed]

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Closed 2 years ago.

Im geting syslogs from multiple servers, and Im having trouble to understand some syslog logs, here is one example

<189>12593340: 16596512: Jul  6 20:31:09: %PARSER-5-CFGLOG_LOGGEDCMD: User:someuser  logged command:no 1480

the first number inside <> is the priority, but the two numbers after that: “12593340” and “16596512” I dont know what their are.

Does anyone knows what are those numbers? how many formats the syslog logs has?

Answer

This is specified in the Syslog RFC:

Some years ago I wrote a Shell script to calculate the numbers: