From: Florian Weimer <fw@deneb.enyo.de>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Martin Lucina <martin@lucina.net>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] Implement IP_EVIL socket option (RFC 3514)
Date: Thu, 05 Apr 2012 08:01:49 +0200 [thread overview]
Message-ID: <874nsyk982.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <20120404201821.GC6589@ZenIV.linux.org.uk> (Al Viro's message of "Wed, 4 Apr 2012 21:18:21 +0100")
* Al Viro:
> On Wed, Apr 04, 2012 at 09:17:00PM +0200, Florian Weimer wrote:
>> * Martin Lucina:
>>
>> > This patch implements the IP_EVIL socket option, allowing user-space
>> > applications to set the Security Flag in the IPv4 Header, aka "evil" bit,
>> > as defined in RFC 3514.
>>
>> I need this to fix a security issue. Could this be merged for real,
>> please?
>
> I would suggest switching away from your RFC1149 link - looks like your mail
> took 3 days on the way out...
Sorry, I saw it just now.
The idea is to change the JVM to set IP_EVIL when an applet creates a
socket, so that this socket cannot be used to trick firewalls to open
up access to totally unrelated services.
prev parent reply other threads:[~2012-04-05 6:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-01 12:53 [PATCH] Implement IP_EVIL socket option (RFC 3514) Martin Lucina
2012-04-01 19:20 ` David Miller
2012-04-02 9:24 ` Martin Lucina
2012-04-02 9:35 ` David Miller
2012-04-02 9:42 ` Martin Lucina
2012-04-04 19:17 ` Florian Weimer
2012-04-04 20:18 ` Al Viro
2012-04-05 6:01 ` Florian Weimer [this message]
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