| A | ↘ | B | Iptables got worse |
| ⇢ | A | Iptables::checkFieldSubnet() added | |
| ⇢ | A | Iptables::checkFieldAction() added | |
| ⇢ | A | Iptables::checkFieldProtocol() added | |
| ⇢ | A | Iptables::checkFieldIp() added | |
| ⇢ | A | Iptables::checkFieldPort() added | |
| C | ↗ | A | Iptables::iptablesFormPostVerification() improved |