Question

Using OSSEC - huge size of /var/ossec/queue/diff

Hi,

I’m using OSSEC on my Ubuntu server. I saw that the disk was almost full. I searched for the biggest folders and I found out that the folder /var/ossec/queue/diff was really huge and filling all the disk.

Is it normal? Is there a setting on OSSEC to prevent this from happening?

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I think I found the issue. As I mentioned in a comment above, I installed Webmin after OSSEC. It looks like the cause of OSSEC using such a big amount of disk space is the Webmin system status (which is updated all the time).

I added the corresponding folder to the ignore list of OSSEC and it seems it solved the issue.

<ignore>/etc/webmin/system-status</ignore>

Thanks @finid for the many answers.

Cool! Happy for you.