From: Luis Ressel <aranea@aixah.de>
To: wireguard@lists.zx2c4.com, Markus Woschank <markus.woschank@gmail.com>
Subject: Re: wg showconf
Date: Sun, 5 Nov 2017 00:01:22 +0100 [thread overview]
Message-ID: <20171105000122.09eae100@vega.skynet.aixah.de> (raw)
In-Reply-To: <CAKUy5ayAzFtkLvagJN=m9Qk5Zuk1uwhHkj19=kCKDqNDj4jBxQ@mail.gmail.com>
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On Sat, 4 Nov 2017 14:25:28 -0700
Markus Woschank <markus.woschank@gmail.com> wrote:
> While searching for arguments I realised that wireguard will allow a
> peer to connect with a different IP from the one set in the
> configuration.
> Not sure if this is the best behaviour (I understand that the peer
> needs to know the secret key, anyway not sure).
Yes, wg does this. It's a deliberate design decision which is important
to supporting roaming peers.
This is not a security problem. Since wg uses UDP as a transport
protocol, source IPs can be trivially forged by an attacker; therefore
checking source IPs wouldn't add any real value.
Cheers,
Luis Ressel
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next prev parent reply other threads:[~2017-11-04 22:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-04 20:04 Markus Woschank
2017-11-04 20:27 ` Luis Ressel
2017-11-04 21:25 ` Markus Woschank
2017-11-04 23:01 ` Luis Ressel [this message]
2017-11-04 23:03 ` Luis Ressel
2017-11-05 0:05 ` Markus Woschank
2017-11-06 16:06 ` Bruno Wolff III
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