Can multiple apps listen for TCP on the same port?
Someone Somewhere
somewheresomeoneis at gmail.com
Tue Dec 2 04:22:14 UTC 2014
I think backlog value has no direct implication here.
What matters is if the listening socket has been closed after accepting the
client connection or not.
-Kunal.
On 2 December 2014 at 07:32, Yuri <yuri at rawbw.com> wrote:
> I figured it out. This is 'nc' from the base, imported from OpenBSD 5.6.
>
> nc has two flaws in its code: it listens with backlog=5 (not 1), and it
> doesn't close the listening socket after accept, only after client is done
> communicating.
> Fixing these two problems makes my app work.
>
> I first confused it with net/netcat from ports, which is totally different
> codebase, and isn't duplex. Looking into their code confused me into making
> original wrong assumptions.
>
> Thanks!
>
> Yuri
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