Re: about bash and Debian Lenny

2014-10-01 Thread Izak Burger
> > Still, when someone offers their help there really is no need > to play a smart ass as you did. The only thing you might achieve doing > that is a) direct rebuttals (my e-mail) and b) mild propositions to > build patched packages yourself. > Admittedly I didn't read the email as properly as I

Re: about bash and Debian Lenny

2014-10-01 Thread Izak Burger
I made lenny packages for my machines. I could share them if you want? On Wed, Oct 1, 2014 at 1:28 PM, Nikolay Hristov wrote: > Hello there, > > I know that this is outdated debian release and it is in the archives but > I still have 6 servers running Lenny and I don't want to upgrade them to >

Re: Long Exim break-in analysis

2010-12-22 Thread Izak Burger
http://www.reddit.com/r/netsec/comments/en650/details_of_the_root_kit_that_go With the exception of replacing /etc/exim4/exim.conf, its pretty much exactly what happened to me :-) -- To UNSUBSCRIBE, email to debian-security-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Cont

Re: Long Exim break-in analysis

2010-12-22 Thread Izak Burger
On Wed, Dec 22, 2010 at 2:06 PM, Bastian Blank wrote: > This looks like the rootkit I found somewhere in the internet: > | 137a3bbda16034d34307a9d686e6fdb45b3c8683  procps/free > | 5db25350dd15d3f1e63a4ff44fa85b72c21df72d  procps/kill > | eeab165a2cf06feb327fa996f35271c076e992bc  procps/pgrep > |

Re: Long Exim break-in analysis

2010-12-22 Thread Izak Burger
This is a me too email. I found one overlooked machine that was compromised on 16th of December. The usual process related things replaced: free pgrep pmap skillsnice tload uptime w kill pkill psslabtop sysctl topvmstat watch All of these were chattr +ai, as if that was

Re: exim4 router problems since 2 days / sucpicous process "zinit" is pstree

2010-12-18 Thread Izak Burger
On Sat, Dec 18, 2010 at 4:25 PM, Andrew McGlashan wrote: > Oh and HP's iLO might need an "advanced" license for virtual media to work, > not sure about that yet.  I picked up a nice DL380 G4 with the advanced iLO > license already installed. Yup, I've also discovered that one day when we reinstal

Re: exim4 router problems since 2 days / sucpicous process "zinit" is pstree

2010-12-17 Thread Izak Burger
On Fri, Dec 17, 2010 at 3:44 PM, Thorsten Göllner wrote: > Your are (both) right. I will reinstall. What would be really nice though, is if you could do some kind of post-mortem. I am always curious to know the techniques of the black-hats, makes for nice war-stories around the camp fire :-) Unf

Re: exim4 router problems since 2 days / sucpicous process "zinit" is pstree

2010-12-17 Thread Izak Burger
> No question, reinstall. I agree, this is a root exploit, and once you have root you can pretty much hide anything you want. On a side note, the patch even applies cleanly on older versions of exim (such as 4.63), so if you're stuck with an older exim for whatever reason (like I am), its easy en

Re: accent sur debian

2009-07-13 Thread Izak Burger
2009/7/11 Maurice Guerrier : > Je suis sur debian avec GNOME comme interface graphique, j'utilise un > clavier US c'est a dire QWERTY comment dois-je faire pour avoir les > caracteres accentues. I don't read french, but I know "avec" means "with" and I assume "clavier" means "keyboard". It seems y

Re: How secure is vserver?

2009-06-05 Thread Izak Burger
On Fri, Jun 5, 2009 at 9:54 AM, Izak Burger wrote: > If you push me for an answer, I'll say qemu, virtualbox and/or vmware > should be safer, but in practice I will likely choose vserver because > there is way less complexity involved and much better performance. One more thin

Re: How secure is vserver?

2009-06-05 Thread Izak Burger
On Thu, Jun 4, 2009 at 5:00 PM, wrote: > Ok, what is Your opinion on qemu guest - does it offer more > protection/guarantee? The differences are in how much is virtualised. Vserver does very little virtualisation and focuses on isolation. There is no virtual cpu, virtual network device or any su

Re: Recommend good IDS? was Re: /dev/shm/r?

2009-06-03 Thread Izak Burger
On Wed, Jun 3, 2009 at 5:53 PM, john wrote: > I'd be interested to hear some recommendations for IDS to run on > internet facing servers. Especially from the point of view of ease of > installation, ease of maintenance, quality of the tool, and ability to > have it deliver really useful informatio

Re: /dev/shm/r?

2009-06-02 Thread Izak Burger
On Tue, Jun 2, 2009 at 6:42 PM, Wade Richards wrote: > Don't obsess on root access.  Any unauthorized use is a problem. You are right of course. Right after I sent my message saying that "perhaps the machine hasn't been exploited yet" I realised how wrong such a view is. Someone gained access to

Re: /dev/shm/r?

2009-06-01 Thread Izak Burger
On Mon, Jun 1, 2009 at 12:26 PM, Vladislav Kurz wrote: > Well, this really looks suspicious. Look for unexpected processes running, > open ports, etc. Directory /dev/shm/ is world-writable like /tmp, so chances > are that the attacker did not gain root yet. But he might have shell > listening on s

Re: How secure is vserver?

2009-05-31 Thread Izak Burger
On Sun, May 31, 2009 at 8:56 PM, Sthu Deus wrote: > as what are the requirements. Can You explain its isolation level? Say, If I > place there a server, and one day it will be hacked so that the criminal gets > full control of the guest OS, - will it protect the host OS? Linux vserver shares the

Re: 256-bit Camellia vs 256-bit AES - Which is better?

2009-02-15 Thread Izak Burger
On Sat, Feb 14, 2009 at 6:19 AM, Chip Panarchy wrote: > Which 256-bit encryption is the best? Camellia or AES? >From the wikipedia article it seems they are the same as far as strength goes, but Camellia is supposedly a little more efficient (ie less/smaller cpu and that sort of thing). http://e

Re: Exploit in Upgrade Chain?

2009-02-13 Thread Izak Burger
On Thu, Feb 12, 2009 at 10:37 PM, Lupe Christoph wrote: > Mode 600 will deny /etc to everybody except root while it will change > nothing for root. If you have any services on your system that run under > non-root UIDs, and that have config under /etc, you hose them with any > mode that removes th

Re: Out of office replies

2009-01-16 Thread Izak Burger
> "Stephen Vaughan" wrote: >> When will people learn not to set auto replies Nothing wrong with a proper auto-reply (one that does some decent caching, only replies once a day, avoids mailing lists and things with precedence: bulk, etc etc). The problem IMHO is that that is so hard to do. For ex

Re: Freeze SO Linux, it's possible?

2008-12-10 Thread Izak Burger
On Wed, Dec 10, 2008 at 7:40 PM, Sjors Gielen <[EMAIL PROTECTED]> wrote: > He doesn't mean a suspend to disk, which is what I thought too, first. > He wants to make his installation "frozen", i.e., changes aren't saved > over reboots. I don't know how to do it, but maybe this clears up his > origin

Re: Freeze SO Linux, it's possible?

2008-12-10 Thread Izak Burger
On Wed, Dec 10, 2008 at 6:51 PM, Carlos Carrero Gutierrez <[EMAIL PROTECTED]> wrote: > Hi, i would like to freeze my linux in order to freeze the OS, then, > when I reboot the computer all changes that i made in the computer > dissapears and it returns to the previous OS freezed. Cross posting is

Re: Keeping the webserver safe

2008-10-05 Thread Izak Burger
On Mon, Oct 6, 2008 at 3:00 AM, Jack T Mudge III > Correct me if I've missed something, but isn't the /etc/passwd *supposed* to > be world-readable, for example to translate UIDs to user names using the ls > command? Correct. NSS uses that file (in a standard setup) to translate uid's to usernames

Re: Einladung in mein XING-Netzwerk

2008-06-12 Thread Izak Burger
On Thu, Jun 12, 2008 at 7:06 AM, Andreas Kretschmer <[EMAIL PROTECTED]> wrote: > Sowas an eine Mailingliste? Das ist, sorry, asozial. Probably one of those features where you upload your address book (or give them your gmail username/password) and it automatically invites everyone. An honest mista

Re: Thanks to Debian OpenSSL developers

2008-05-16 Thread Izak Burger
On Thu, May 15, 2008 at 9:58 PM, Guido Hennecke <[EMAIL PROTECTED]> wrote: > In Germany we say: "Wer nichts macht, macht auch nichts verkehrt". Which means: he who does nothing makes no mistakes. (For those who don't understand German) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subje

Re: secure installation

2007-08-20 Thread Izak Burger
On 8/20/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Software failures *are* in the worst cases life threatening, and > everyday non-safety-critical systems can easily be a very serious > nuisiance to other users. I propose we stick a label on: This software is not meant to be run in life su

Re: secure installation

2007-08-16 Thread Izak Burger
On 8/16/07, Jack T Mudge III <[EMAIL PROTECTED]> wrote: > My personal view is that there are plenty of simpler distributions out there, > knoppix for first-time users, Ubuntu/Suse for novices, and RedHat for people > who need hand-holding. Debian is primarily for advanced users, and for users > who

Re: secure installation

2007-08-16 Thread Izak Burger
> does it not cover the case of packets arriving at eth0 spoofed as > from 127.0.0.1 ? Right you are, that slipped my mind. I seem to recall that earlier versions of debian had rp_filter default to 1 (I see sarge still has this, you set spoofprotect=yes in /etc/network/options, and afaik it defau

Re: secure installation

2007-08-16 Thread Izak Burger
On 8/16/07, Ondrej Zajicek <[EMAIL PROTECTED]> wrote: > And if there is no firewall (or other > hand-crafted protective measures), then there is no need for > rp_filter. So on common workstation there is no need for > rp_filter too. I also don't see why you need rp_filter on a workstation. A work

Re: Secure rsync setup

2006-12-17 Thread Izak Burger
On 12/17/06, Thorsten Schmidt <[EMAIL PROTECTED]> wrote: However, this requires alpha having a ssh-key. Furthermore I'm not in charge with alpha's security, thus I've to make sure, that a attacker, who gained access to alpha's ssh-key is not able to compromis beta (well, he might be able to delet

Re: Remote Root In Nvidia xserver Driver

2006-10-18 Thread Izak Burger
On 10/18/06, Matvey Gladkikh <[EMAIL PROTECTED]> wrote: Stop using blobs like nvidia videodriver in debian. Force them to go opensource! Can the opensource driver do proper acceleration yet? -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL

Re: email notifications when users login

2006-09-19 Thread Izak Burger
On 9/18/06, Morgan Walker <[EMAIL PROTECTED]> wrote: I was just wondering if there was a package/script out there that could be used to notify the sys. admin every time a user logged into a debian system. The simplest two ways, as was already noted, is to add something to /etc/profile or some o

Re: Why is portmap installed by default?

2006-08-28 Thread Izak Burger
On 8/26/06, Michelle Konzack <[EMAIL PROTECTED]> wrote: Never had autoinstalled nfs-common and lpr... Those are definitly installed by default, at least in stable, or it was installed the last time I installed stable. IIRC so is nfs-kernel-server, although it is disabled by default since /etc/

Re: Why is portmap installed by default?

2006-08-21 Thread Izak Burger
On 8/20/06, kevin bailey <[EMAIL PROTECTED]> wrote: I'm sure it's been included in to the default setup for a reason - but I will be removing it on most servers. I always remove it after the installation (about the same time when I get rid of nvi and install vim). I see no point for it to be i

Re: chkrootkit sniffers

2006-08-11 Thread Izak Burger
On 8/11/06, Christian Schuerer <[EMAIL PROTECTED]> wrote: Isn't it strange that there is an DHCP client running on lo? I don't get the point of doing that. The pid is the same for all three (29184), so it is obviously a process that binds to 0.0.0.0, and as a result, ends up listening on lo as

Re: Which kernels are vulnerable?

2006-07-17 Thread Izak Burger
On 7/17/06, Izak Burger <[EMAIL PROTECTED]> wrote: --- snip --- and ran it on a sarge box running 2.6.8 (not sure exactly which version), and STILL got a root prompt back. --- snip --- Ok, I'm an idiot. I cannot for the life of me reproduce the problem now. I recall accidently

Which kernels are vulnerable?

2006-07-17 Thread Izak Burger
Hi all, Had an argument over the weekend about which kernels are vulnerable to the exploit that was used to take gluck down. I maintained that only kernels >= 2.6.13 and <= 2.6.17.4 are vulnerable, but in the end I proved myself wrong when I took the exploit code, changed the line that says:

Re: Password encrypting

2001-06-01 Thread Izak Burger
llowed to log in. regards, Izak -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED]) http://www.cs.sun.ac.za/ Tel. +27 21 808 4863 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= A big enough hammer can usually fix anything.

Re: Password encrypting

2001-06-01 Thread Izak Burger
llowed to log in. regards, Izak -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED]) http://www.cs.sun.ac.za/ Tel. +27 21 808 4863 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= A big enough hammer can usually fix anything. -- To UNSUBSCRIBE, email to [EM

Re: Logging practices (and why does it suck in Debian?)

2001-04-12 Thread Izak Burger
er seeing a solution with some kind of preloaded library that makes writes to the syslog go to stdout instead. You can then simply pipe it into multilog. regards, Izak -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED])

Re: Logging practices (and why does it suck in Debian?)

2001-04-11 Thread Izak Burger
er seeing a solution with some kind of preloaded library that makes writes to the syslog go to stdout instead. You can then simply pipe it into multilog. regards, Izak -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED])

Re: commandlogging

2001-03-05 Thread Izak Burger
I think you're thinking about BSD process accounting. It provides a way to tell the kernel to write process information to a file. I have never worked with it before, but now you have a bit more to go on :) regards, Izak Burger On Mon, 5 Mar 2001, Miguel Ángel Varó Giner wrote: >

Re: commandlogging

2001-03-05 Thread Izak Burger
I think you're thinking about BSD process accounting. It provides a way to tell the kernel to write process information to a file. I have never worked with it before, but now you have a bit more to go on :) regards, Izak Burger On Mon, 5 Mar 2001, Miguel Ángel Varó Giner wrote: >

Re: secure install

2001-02-15 Thread Izak Burger
gs, it installs a whole lot of things I'm REALLY not interested in. These days I try to stick with apt-get. regards, Izak Burger -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED]) http://www.cs.sun.ac.za/ Tel. +27

Re: secure install

2001-02-15 Thread Izak Burger
things, it installs a whole lot of things I'm REALLY not interested in. These days I try to stick with apt-get. regards, Izak Burger -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Izak Burger ([EMAIL PROTECTED]) http://www.cs.sun.ac.za/ Tel. +27