How limit pflog size
how i can limit pflog size in /var/log path or rotate this file (clean this file)
for clean and rotate, try to create a script like this and add it in cron
cp /var/log/pflog /var/log/pflog-$DATE
jimp Rebel Alliance Developer Netgate
That file isn't normally there, some change must have been made or package installed that changed the default behavior.
Normally the pf log is written to /var/log/filter.log which is a binary circular log that can never grow in size.