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SubjectRe: [PATCH] Implement IP_EVIL socket option (RFC 3514)
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* 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.


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