>Can anyone tell me why, rpcbind not only binds to udp/111, but also
>to some other random udp port above 32770.  I can find lots of information 
>about this be a vulnera
bility and this and that, but I really cannot find any information as to the 
functional reason for 
this.
>

This port is used for indirect calls where rpcbind is a client of another
rpc service; indirect calls are used for broadcast services.

At one time this was a vulnerability because it would actually respond to 
ordinary queries on that port.

Casper



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