[FS#722] port forwarding broken

[LEDE Bugs]

The following task has a new comment added:

FS#722 - port forwarding broken
User who did this - Jo-Philipp Wich (jow-)

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Please attach the output of "iptables-save", "ifstatus lan" and "ifstatus wan".
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=722#comment2448