Hi,
I was hoping someone could help me with an issue. I have a simple UDP
server that listens on a specific port, responding with a message back.
conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4(0, 0, 0, 0),
Port: *port})
When reading messages, I use the source address for sending a response back.
n, sourceAddr, err := conn.ReadFromUDP(buff)
conn.WriteToUDP(reply, sourceAddr)
When my WAN interface has a single IPv4 address, the server can read and
respond properly. When there's an additional IPv4 address on the WAN,
requests to the second IP are successful received, but the response is not
received by the original sender.
Is there another way to fix this other than explicitly calling ListenUDP on
the two addresses?
Best,
Tanner
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