Re: Non-executable stack

Quoting db <db@traceroute.dk>:

> Hi all
>
> Does FreeBSD support a non-executable stack on any of the tier 1 and 2
> platforms that has this feature?
> If not, are there any plans of implementing this and is there a patch I can
> use for 6.0 (when it is released)?
>
> Best regards
> db

Hi,

I don't think it will ever be in FreeBSD, but I used ProPolice in the past:

http://www.research.ibm.com/trl/projects/security/ssp/buildfreebsd.html

The patch should be for 5.x in general, I don't use it anymore since some
ports will break, if you play with it you can disable it by default and
enable it explicit when you are willing to compile a binary with it.

Once applied and compiled the whole base with it enabled, you cannot just
turn back!

Kind regards,
Jimmy Scott

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