0.0.0.0
 

Hi,


what exactly is the purpose of the reserved address 0.0.0.0 ? Is it used as a broadcast source address ?

Hi,

A (google) search would have answered this one......

Default Network: The special network 0.0.0.0 is generally used for routing.

IP addresses Explained
Linux Network Administrators Guide, 2.2

Hope this helps.

With regards to applications with ip listening sockets it also means to bind to all addresses available intead of a particular one.