Messages in this thread | | | From | Florian Weimer <> | Subject | Re: [PATCH] Implement IP_EVIL socket option (RFC 3514) | Date | Thu, 05 Apr 2012 08:01:49 +0200 |
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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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