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Subject: Re: nc (netcat) in 10.1 breaks after upgrade from 9.3
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From: Dimitry Andric <dim@FreeBSD.org>
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Date: Sun, 29 Mar 2015 23:21:06 +0200
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To: Miroslav Lachman <000.fbsd@quip.cz>
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On 29 Mar 2015, at 22:53, Miroslav Lachman <000.fbsd@quip.cz> wrote:
>=20
> nc (netcat) in 10.1 behaves differently than it was before upgrade and =
breaks our scripts for monitoring services.
>=20
> For example, following command works in FreeBSD 8.4 and 9.3
>=20
> echo stats | nc localhost 11211
>=20
> But it hangs in 10.1 at the END and never finishes.
>=20
> It must be changed to:
>=20
> echo stats | nc -N localhost 11211
>=20
> Is it intentional?

Yes, this was introduced by upstream:
=
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/nc/netcat.c#rev1.111

"Don't shutdown nc(1)'s network socket when stdin closes. Matches =
*Hobbit*'s
original netcat and GNU netcat; revert to old behaviour with the new -N =
flag
if needed."

-Dimitry


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