Gentoo Archives: gentoo-hardened

From: Andrei Korolyov <xdel@×××××.ru>
To: gentoo-hardened@l.g.o
Subject: [gentoo-hardened] iptables problems with hardened kernel
Date: Thu, 03 Apr 2008 16:01:52
Message-Id: 47F4FED1.90303@quake.ru
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4 Hello everyone
5
6 I am using hardened kernel with Xen patchset from
7 http://ayuda.com.au/pub/xen/grsecurity/ on my box.
8 When i have started this kernel, guests is not available through
9 forwarded ports by ssh and 'forwarded' tomcat from one of guest boxes
10 does not deliver start (or any other) page completely - seems that it
11 hangs at 80-90 percent. Also one strange thing - when i`ll try to
12 resolve any host from guest box i have timeout fail but i can ping NSes
13 from guest and on host box with same NS all dns requests works. Iptables
14 state restoring without any warnings in logs and its ruleset works fine
15 with xen kernel from official portage tree. I am don`t test yes
16 forwarding on hardened-only kernel with simular security options set for
17 grsec and pax. I want to work with pax+grsec+xen kernel because host box
18 config looks like VPS in datacenter - many xen instances with many users
19 which do not know about security things.
20
21 - --
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24
25 WBR, Andrei Korolyov
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35 --
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