Auditd syslog plugin

[Boyce, Kevin P [US] (AS)]

All,

After enabling the syslog plugin for audispd and sending logs to a remote server I am seeing every event being written to /var/log/messages locally which is filling up /var.

This is all redundant since local audit logs are kept in /var/log/audit. Is there a way to prevent auditd syslog plugin from writing to /var/log/messages?

Thanks,
Kevin

[Steve Grubb]

Post by Boyce, Kevin P [US] (AS)
All,
After enabling the syslog plugin for audispd and sending logs to a remote
server I am seeing every event being written to /var/log/messages locally
which is filling up /var.
This is all redundant since local audit logs are kept in /var/log/audit.
Is there a way to prevent auditd syslog plugin from writing to
/var/log/messages?

That is pretty much what the plugin does. It writes all events to syslog
which based on rules in /etc/rsyslog.conf decides what to do with the text.
Typically it is to write everything to /var/log/messages.

However, you can assign a specific facility to the audit events in the /etc/
audisp/plugins.d/syslog.conf file and then in rsyslog.conf exclude the
facility by putting <facility>.none on the /var/log/messages line.

-Steve

[John Jasen]

If you're on a system using rsyslog, you can also leverage imfile and
send it directly to a remote logserver.

rsyslog event queuing also handles interruptions in remote logging more
gracefully than audispd syslog.

Post by Steve Grubb

Post by Boyce, Kevin P [US] (AS)
All,
After enabling the syslog plugin for audispd and sending logs to a remote
server I am seeing every event being written to /var/log/messages locally
which is filling up /var.
This is all redundant since local audit logs are kept in /var/log/audit.
Is there a way to prevent auditd syslog plugin from writing to
/var/log/messages?

That is pretty much what the plugin does. It writes all events to syslog
which based on rules in /etc/rsyslog.conf decides what to do with the text.
Typically it is to write everything to /var/log/messages.
However, you can assign a specific facility to the audit events in the /etc/
audisp/plugins.d/syslog.conf file and then in rsyslog.conf exclude the
facility by putting <facility>.none on the /var/log/messages line.
-Steve
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