Re: [asio-users] error codes of remote hosts on udp socket close

[Themistoklis B. <th...@ic...>]

Hi Chris,

> Presumably you are sending UDP packets to a specific IP address (i.e.
> unicast, rather than broadcast). In this case, the remote host may
> return an ICMP error packet if there is no socket listening on the
> specified port. This ICMP error is propagated back to the application as
> an error on the receive operation.
> 

Yes I do unicast, but I am not receiving the ERROR_PORT_UNREACHABLE at a 
send call error handler to the departed remote host. I am receiving it 
at a receive (async) call on the local host socket which of course 
remains open.

Thanks for the answer,
Themis