[FS#305] firewall3: when OUTPUT policy != ACCEPT, drops SYN-ACK and ICMP responses; locks me out

[LEDE Bugs]

The following task is now closed:

FS#305 - firewall3: when OUTPUT policy != ACCEPT, drops SYN-ACK and ICMP responses; locks me out
User who did this - Mathias Kresin (mkresin)

Reason for closing: Fixed
More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=305