From: Andrew Cann <shum@canndrew.org>
To: netdev@vger.kernel.org
Subject: Re: UDP packets arriving on wrong sockets
Date: Fri, 3 Aug 2018 11:20:14 -0400 [thread overview]
Message-ID: <20180803152014.GA5188@canndrew.org> (raw)
In-Reply-To: <CAF=yD-Ky7VXy5z26Qji9Mra6dQqsxo-++M6dfkO7myrbU8OJYg@mail.gmail.com>
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On Fri, Aug 03, 2018 at 10:20:06AM -0400, Willem de Bruijn wrote:
> On Fri, Aug 3, 2018 at 12:20 AM Andrew Cann <shum@canndrew.org> wrote:
> >
> > On Thu, Aug 02, 2018 at 11:21:41AM -0400, Willem de Bruijn wrote:
> > > You have two sockets bound to the same address and port? Is this using
> > > SO_REUSEPORT?
> >
> > Yes, this is using SO_REUSEPORT.
>
> Then this is working as intended.
>
> Without SO_REUSEPORT it would not be possible to bind two sockets to
> the same address and port. See documentation, e.g., at
> https://lwn.net/Articles/542629/
The man page for connect clearly states that a connected UDP socket should only
receive datagrams from the address that it is connected to. This isn't the
behaviour I'm seeing. That's the issue.
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prev parent reply other threads:[~2018-08-03 17:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-02 9:05 UDP packets arriving on wrong sockets Andrew Cann
2018-08-02 13:20 ` Eric Dumazet
2018-08-02 13:35 ` Eric Dumazet
2018-08-02 15:21 ` Willem de Bruijn
2018-08-02 15:28 ` Eric Dumazet
2018-08-03 4:19 ` Andrew Cann
2018-08-03 14:20 ` Willem de Bruijn
2018-08-03 15:20 ` Andrew Cann [this message]
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