Firewall: support protocl selection in rules
|Reported by:||joanna||Owned by:||marmarek|
Currently all the rules are per-IP and they only result in TCP traffic rules being added, but not UDP rules. Solutions:
1) Allow to set level 4 protocol (TCP, UDP, etc) for each rule
2) Keep it simple, stupid: allow only to set rules for IP(s), and always assume all the protocols and all the ports.