From: grahn+nntp@snipabacken.se   
      
   Stevens UNP vol 1 says (in the IPv4/IPv6 interoperability chapter)   
   that you may have one server socket handle IPv6 and IPv4 -- but only   
   as long as it binds to the wildcard address.   
      
   I want to have several different UDP servers listening on the same   
   port on a host, each of them listening on different interfaces, and   
   handling one IPv4 and one IPv6 address each (the two addresses on a   
   certain interface, I guess).   
      
   Stevens' book is a bit old by now. Has there been any development in   
   this area, so you can bind a socket to one IPv4 address and one IPv6   
   address?  A Linux-only solution would be acceptable in my case.   
      
   (An obvious workaround for me is to use two sockets, but it means   
   quite a lot of code changes in my case.)   
      
   BR,   
   /Jorgen   
      
   --   
     // Jorgen Grahn    O  o   .   
      
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