/usr/local/proftpd/var/logs/proftpd_xferlog {
    missingok
    postrotate
        /bin/kill -HUP `cat /usr/local/proftpd/var/proftpd.pid 2>/dev/null` 2> /dev/null || true
    endscript
}

/usr/local/proftpd/var/logs/proftpd_access_log {
    missingok
    postrotate
        /bin/kill -HUP `cat /usr/local/proftpd/var/proftpd.pid 2>/dev/null` 2> /dev/null || true
    endscript
}

/usr/local/proftpd/var/logs/proftpd_auth_log {
    missingok
    postrotate
        /bin/kill -HUP `cat /usr/local/proftpd/var/proftpd.pid 2>/dev/null` 2> /dev/null || true
    endscript
}