From: Eric Hodel <drbrain@...7.net>
Date: 2003-01-23T00:56:03+09:00
Subject: Re: TCPServer only binding to INET6 interfaces?


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Jason DiCioccio (geniusj@bluenugget.net) wrote:

> Under FreeBSD 5.0-RELEASE running ruby 1.6.8, the following code:
>=20
> ----
> require 'socket'
>=20
> server =3D TCPServer.new(9999)
> client =3D server.accept
> ----
>=20
> only seems to bind to port 9999 on ipv6 interfaces.
>=20
> % netstat -an | grep 9999
> tcp6       0      0  *.9999                 *.*                    LISTEN
> %
>=20
> It works, however, when I specify a host to bind to.  It only fails when=
=20
> trying to use INADDR_ANY..
>=20
> I cannot tell for sure whether this is due to changes in FreeBSD, ruby, o=
r=20
> a combination of both.  However, my guess would be ruby since I have many=
=20
> daemons binding to INADDR_ANY and running fine.  Is anyone else running B=
SD=20
> (or perhaps other OS') with IPv6 support still in the kernel able to=20
> duplicate this problem?

What addresses does ruby claim to be listening on?  I don't believe the
IPv6 stuff is significantly different than -STABLE's.

$ ruby -r socket -e "p TCPServer.new(9999).peeraddr"
["AF_INET6", 9999, "::ffff:0.0.0.0", "::ffff:0.0.0.0"]

This is on STABLE, if I get a chance I'll fire up my CURRENT box
tonight.

--=20
Eric Hodel - drbrain@segment7.net - http://segment7.net
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