[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 - Jo-Philipp Wich (jow-)

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The default firewall rules are not aimed at providing a "stealth" setup (which would actually be an RFC violation). If you want such a setup you are required to implement the required changes yourself.
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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#comment3722