Gentoo Archives: gentoo-hardened

From: Caleb Cushing <xenoterracide@×××××.com>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] 2.6.20-r2 is slow!?
Date: Fri, 04 May 2007 00:30:17
Message-Id: 81bfc67a0705031728n175034b9v8522272a4ae4a0ad@mail.gmail.com
In Reply to: Re: [gentoo-hardened] 2.6.20-r2 is slow!? by 7v5w7go9ub0o <7v5w7go9ub0o@gmail.com>
1 http://slave-network.org/firewall.txt
2
3 On 5/3/07, 7v5w7go9ub0o <7v5w7go9ub0o@×××××.com> wrote:
4 >
5 > Thanks again for the quick reply! It'll be interesting to compare
6 > configs. I have begun the "boolean reduction compilation" process:
7 > deactivating half of the grsec/pax stuff; testing; reactivating that
8 > half and deactivating the remaining half; etc. :-(
9 >
10 > Also looking at 2.6.21 ......
11 >
12 > Could you also attach your iptables rules? I presume you're doing a
13 > pretty straight forward FW (e.g. allow outgoing; drop or block
14 > incoming; check for tcp flags; log martians; etc.)
15 >
16 >
17 > On 5/2/07, Caleb Cushing <xenoterracide@×××××.com > wrote:
18 > >
19 > > I've attached the config, and I haven't noticed any issues with slowness
20 > > I'm running 2.6.20 on 3 boxes, but not hardened. so it could be a
21 > > hardened patch. I just know iptables had major changes.
22 > >
23 > > On 5/2/07, 7v5w7go9ub0o <7v5w7go9ub0o@×××××.com> wrote:
24 > > >
25 > > > Thank You!! for the quick response.
26 > > >
27 > > > Yes.... please do let me see your config file. I've been thinking of
28 > > > doing this for a while, and now is a good time.
29 > > >
30 > > > Are you running 2.6.20x? If yes, is it as responsive as '18x ?
31 > > >
32 > > > TIA
33 > > >
34 > > > On 5/1/07, Caleb Cushing < xenoterracide@×××××.com> wrote:
35 > > > >
36 > > > > don't know about being slow but iptables had major changes in
37 > > > > 2.6.20.x so you probably will have to go through those manually. I
38 > > > > can give you my config for iptables if you need help getting it working.
39 > > > >
40 > > > > On 5/1/07, 7v5w7go9ub0o <7v5w7go9ub0o@×××××.com> wrote:
41 > > > > >
42 > > > > > Just installed 2.6.20-r2, and find it particularly slow - slow to
43 > > > > > boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with
44 > > > > > low cpu useage.
45 > > > > >
46 > > > > > Any ideas, please? (e.g. there was a configuration option a few
47 > > > > > releases ago that snuck in and slowed things down; I've forgotten which it
48 > > > > > was :-( )
49 > > > > >
50 > > > > > (Same kernel configurations; had to update udev from 104-r12 to
51 > > > > > 109-r1 to keep from crashing during the boot process; replaced firehol with
52 > > > > > shorewall 3.4.2, which works on 2.6.18-r6 just fine, but fails on
53 > > > > > 2.6.20-r2 . Did not upgrade gradm, as it's likely I'll stay with
54 > > > > > '18)
55 > > > > >
56 > > > > > TIA
57 > > > > >
58 > > > >
59 > > > >
60 > > > >
61 > > > > --
62 > > > > Caleb Cushing
63 > > >
64 > > >
65 > > >
66 > >
67 > >
68 > > --
69 > > Caleb Cushing
70 > >
71 >
72 >
73
74
75 --
76 Caleb Cushing

Replies

Subject Author
Re: [gentoo-hardened] 2.6.20-r2 is slow!? Javier Barrio <coder@×××××.org>