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Technical Tip: Filter traffic statistic syslogs

April 16, 2026 at 12:47 PM
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Description

This articles describes how to disable the additional traffic statistics logs sent from FortiGate to syslog server.

Scope

ForitGate.

Solution

'Logid' = 0000000020 is the statistic log for long live session which is added in 5.6.6, 6.0.1 and 6.2.0.
This is recorded every two minutes when a session is longer than 2 minutes and is used to improve accuracy sent/received data in in FortiView.
The following command is to disable these statistics logs sent to syslog server:

Config log syslogd filter
   set filter "logid(0000000020)"
   set filter-type exclude
   end

Important:

Starting v7.0 onwards, the syslog filtering syntax has been changed.

Refer to 'free-style' syslog filters on those Firmware versions:

Technical Tip: Using syslog free-style filters

Technical Tip: Configuring advanced syslog free-style filters