#3 Add multicast listening to netcat

[Andrew Wansink]

Please find attached a patch to add multicast listening to
netcat.

[Andrew Wansink]

Patch to add multicast listening

[yanqui]

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user_id=1320515

Please add this feature. Netcat is the ultimate network
tool, unfortunately to make it do some things requires
more...erm...creativity. While working on a script to clone
a lab of 20 some computers I ran into this problem. I've
considered a few work arounds, but both of them are resource
hogs and generally akward. (Multiple dynamic port assignment
makes for creative code, but also requires multiple
instances of dd or ntfsclone, quasi-p2p in which the image
jumps from one computer to the next is difficult to
impliment server-side.) Multicasting will make cloning
computers so much easier and increase the possibilites of
nc. Wonderful project and thanx.

[Nobody/Anonymous]

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Since you can pick any port to listen to, just making netcat listen to udp broadcasts would be simpler.
(it only listens to the first one it hears now, see bugs: Listen to UDP broadcasts fails after one)