0
votes
0answers
134 views

A socket operation was attempted to an unreachable host error

I'm developing a program in C# that uses a UDP multicast system. My Multicast group it's using 224.0.0.1 address to communicate. In all Windows 8 machines it is working fine. However, in a Win 7 64x ...
0
votes
1answer
414 views

Not receiving responses sent from a different subnet when my machine is on DHCP

I am building a utility to communicate with some hardware that comes with a default IP address of 10.0.0.1 and subnet mask 255.255.255.0. The hardware replies to UDP messages on the same IP and port ...
2
votes
1answer
767 views

UDP Hole Punching impossible with non-well-behaved NATs?

Normally a NAT will keep the public end point of a local end point the same for all packets that are coming from it, thus making UDP hole punching easily possible. However, some NATs will map the ...