Girish Ramakrishnan 7f87af5a08 firewall: open up NDP port ...

Port 546 is reserved for the client-side of the Neighbor Discovery Protocol (NDP).
This is used for communication between IPv6 nodes (such as a device and its router)
to discover and configure network information (such as IP address).

Router Advertisement (RA) messages sent by routers use port 547 (router-side), and
devices use port 546 to receive these messages.

See https://forum.cloudron.io/topic/13566/infomaniak-ipv6-issues/61

2025-04-29 22:06:34 +02:00

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