Symptoms

Not all firewall rules set in Home > Tools & Settings > Firewall got loaded after server reboot.

If you restart psa-firewall all rules appears in iptables list:

# /etc/init.d/psa-firewall restart
psa-firewall: firewall successfully disabled
psa-firewall: firewall configuration successfully applied

Cause

Permissions for module file are improperly set.

Resolution

Set permissions for register_service utility according to mentioned bellow:

# chown root.psaadm /usr/local/psa/admin/sbin/modules/firewall/register_service
# chmod 0750 /usr/local/psa/admin/sbin/modules/firewall/register_service

# stat /usr/local/psa/admin/sbin/modules/firewall/register_service
File: '/usr/local/psa/admin/sbin/modules/firewall/register_service'
Size: 11535           Blocks: 24         IO Block: 4096   regular file
Device: 2fa0b6d1h/799061713d    Inode: 5637772     Links: 1
Access: (0750/-rwxr-x---)  Uid: (    0/    root)   Gid: ( 1000/  psaadm)