[FS#1132] Default config exposes ipv4 UDP port 68 to the entire Internet

[LEDE Bugs]

The following task has a new comment added:

FS#1132 - Default config exposes ipv4 UDP port 68 to the entire Internet
User who did this - Arjen de Korte (arjendekorte)

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Have you actually seen UDP packets with source port 67 and destination port 68 being routed across the internet? I have my doubts that this attack vector will work at all in practice.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1132#comment3724