We did install
mod_security2 through Plesk. Free rules set of Comodo is activated.
Quite often, we must find lines as follows in
Message: collection_store: Failed to write to DBM file "/var/cache/modsecurity/ip": Invalid argument
Th issue is caused by bug in
mod_security2 by Comodo.
- Install the latest version of comodo
- If it not helped then deactivate the
BruteForcefilters in Comodo Web Application Firewall and contact Comodo support.