Gentoo Archives: gentoo-hardened

From: Gordon Malm <gengor@g.o>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] Grsecurity slows down a web server?
Date: Fri, 23 Jan 2009 20:06:34
Message-Id: 200901231206.30400.gengor@gentoo.org
In Reply to: Re: [gentoo-hardened] Grsecurity slows down a web server? by Grant
1 On Friday, January 23, 2009 11:05:00 Grant wrote:
2 > > Try 'pspax'. If there is no NX bit and you enable both PAGEEXEC and
3 > > SEGMEXEC it should not be using PAGEEXEC.
4 >
5 > What should I be looking for from pspax? I have to admit it does seem
6 > faster now that I've disabled PAGEEXEC.
7 >
8 > - Grant
9 >
10
11 Using PAGEEXEC:
12
13 user 18815 PeMRs w^x ET_DYN ftp =
14
15 Using SEGMEXEC:
16
17 user 18821 peMRS w^x ET_DYN ftp =
18
19 The Hardened Gentoo Server security level also enables PAX_MEMORY_SANITIZE
20 which is good for another 3% or so performance drop.
21
22 Gordon Malm (gengor)