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mDNS Primer

55 points| billiob | 2 years ago |fabiensanglard.net

6 comments

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egberts1|2 years ago

Nice writeup. Alway put my mDNS-capable server devices behind a fire-walled sub-subnet or disable server’s Avahi/Bonjour if not needed.

Clients can run Avahi/Bonjour just fine, provided those ports are firewall-limited to its non-public subnet.

vetinari|2 years ago

Since mDNS works over multicast, it will not leave their respective subnet. Getting that traffic over subnet boundaries is a problem of it's own (see also mDNS reflector)

waynesonfire|2 years ago

is the Unix Network Programming series still in print? A new copy of the book is extremely expensive on Amazon.