Re: Debconf and noexec on /tmp

2001-11-10 Thread Anthony DeRobertis
On Thursday, November 8, 2001, at 08:08 , Wichert Akkerman wrote: Previously Ethan Benson wrote: sorry i don't leave known security holes wide open on my boxes. only an idiot does that. If you think your box does not have currently unknown holes you are naive :) Unless its unplugged. But

Re: Debconf and noexec on /tmp

2001-11-10 Thread Anthony DeRobertis
On Thursday, November 8, 2001, at 08:08 , Wichert Akkerman wrote: > Previously Ethan Benson wrote: >> sorry i don't leave known security holes wide open on my boxes. only >> an idiot does that. > > If you think your box does not have currently unknown holes you are > naive :) > Unless its unpl

Re: Debconf and noexec on /tmp

2001-11-09 Thread Jürgen A. Erhard
> "Ethan" == Ethan Benson <[EMAIL PROTECTED]> writes: Ethan> On Thu, Nov 08, 2001 at 03:32:06PM -0800, Vineet Kumar Ethan> wrote: >> Well, on some level, *every* system is vulnerable to >> scriptkiddies. The worst security flaw is admin hubris; always >> remember that you

Re: Debconf and noexec on /tmp

2001-11-09 Thread "Jürgen A. Erhard"
> "Ethan" == Ethan Benson <[EMAIL PROTECTED]> writes: Ethan> On Thu, Nov 08, 2001 at 03:32:06PM -0800, Vineet Kumar Ethan> wrote: >> Well, on some level, *every* system is vulnerable to >> scriptkiddies. The worst security flaw is admin hubris; always >> remember that you

Re: Debconf and noexec on /tmp

2001-11-09 Thread Ethan Benson
On Fri, Nov 09, 2001 at 01:49:54PM +, Tim Haynes wrote: > > That's why, the more layers I can throw in someone's face, be it > firewalling, more than just `defaults' in fstab, running libsafe, the better. sure useful things like nosuid, and nodev. noexec is worthless. as soon as everyone

Re: Debconf and noexec on /tmp

2001-11-09 Thread Tim Haynes
Ethan Benson <[EMAIL PROTECTED]> writes: [snip] > so here is the situation: > > i don't leave open holes that script kiddies use with thier skripts only > a dumbass skript kiddie will be foiled by noexec /tmp skript kiddies will > be foiled by the fact that my boxes are always up to date and patc

Re: Debconf and noexec on /tmp

2001-11-09 Thread Ethan Benson
On Fri, Nov 09, 2001 at 01:49:54PM +, Tim Haynes wrote: > > That's why, the more layers I can throw in someone's face, be it > firewalling, more than just `defaults' in fstab, running libsafe, the better. sure useful things like nosuid, and nodev. noexec is worthless. as soon as everyone

Re: Debconf and noexec on /tmp

2001-11-09 Thread Tim Haynes
Ethan Benson <[EMAIL PROTECTED]> writes: [snip] > so here is the situation: > > i don't leave open holes that script kiddies use with thier skripts only > a dumbass skript kiddie will be foiled by noexec /tmp skript kiddies will > be foiled by the fact that my boxes are always up to date and pat

Re: Debconf and noexec on /tmp

2001-11-09 Thread Wichert Akkerman
Previously Ethan Benson wrote: > why don't you bother to read what i said. script kiddies don't exploit > unknown holes as you have stated, and what i stated above is i don't > leave KNOWN PATCHED holes on my boxes, those are what script kiddies > attack. Script kiddies can get their hand on 0-day

Re: Debconf and noexec on /tmp

2001-11-09 Thread Ethan Benson
On Fri, Nov 09, 2001 at 02:08:17AM +0100, Wichert Akkerman wrote: > Previously Ethan Benson wrote: > > sorry i don't leave known security holes wide open on my boxes. only > > an idiot does that. > > If you think your box does not have currently unknown holes you are > naive :) why don't you bot

Re: Debconf and noexec on /tmp

2001-11-09 Thread Wichert Akkerman
Previously Ethan Benson wrote: > why don't you bother to read what i said. script kiddies don't exploit > unknown holes as you have stated, and what i stated above is i don't > leave KNOWN PATCHED holes on my boxes, those are what script kiddies > attack. Script kiddies can get their hand on 0-da

Re: Debconf and noexec on /tmp

2001-11-09 Thread Ethan Benson
On Fri, Nov 09, 2001 at 02:08:17AM +0100, Wichert Akkerman wrote: > Previously Ethan Benson wrote: > > sorry i don't leave known security holes wide open on my boxes. only > > an idiot does that. > > If you think your box does not have currently unknown holes you are > naive :) why don't you bo

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > sorry i don't leave known security holes wide open on my boxes. only > an idiot does that. If you think your box does not have currently unknown holes you are naive :) Wichert. -- _ /[EMAIL PROT

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:32:06PM -0800, Vineet Kumar wrote: > > Well, on some level, *every* system is vulnerable to scriptkiddies. The > worst security flaw is admin hubris; always remember that you are not > immune. sorry i don't leave known security holes wide open on my boxes. only an idio

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Rolf Kutz wrote: > If you have a linux-fileserver serving binaries for > linux-workstations, how should it tell? It won't have any effect then anyway. Wichert. -- _ /[EMAIL PROTECTED] This space intentionally

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
* Quoting Wichert Akkerman ([EMAIL PROTECTED]): > Previously Rolf Kutz wrote: > > If you mount partitions of a different OS or > > machine, whose programs can't or shouldn't be > > executed. > > Any sane OS will gave a sane error when you do that anyway. If you have a linux-fileserver serving bin

Re: Debconf and noexec on /tmp

2001-11-08 Thread Vineet Kumar
* Ethan Benson ([EMAIL PROTECTED]) [011108 07:56]: > On Thu, Nov 08, 2001 at 03:43:56PM +0100, Wichert Akkerman wrote: > > Previously Ethan Benson wrote: > > > its not, it provides you NO extra security whatsoever, and will break > > > many many things. > > > > It breaks a fair number of scripts t

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > sorry i don't leave known security holes wide open on my boxes. only > an idiot does that. If you think your box does not have currently unknown holes you are naive :) Wichert. -- _ [EMAIL PROT

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:32:06PM -0800, Vineet Kumar wrote: > > Well, on some level, *every* system is vulnerable to scriptkiddies. The > worst security flaw is admin hubris; always remember that you are not > immune. sorry i don't leave known security holes wide open on my boxes. only an idi

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Rolf Kutz wrote: > If you have a linux-fileserver serving binaries for > linux-workstations, how should it tell? It won't have any effect then anyway. Wichert. -- _ [EMAIL PROTECTED] This space intentionally

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
* Quoting Wichert Akkerman ([EMAIL PROTECTED]): > Previously Rolf Kutz wrote: > > If you mount partitions of a different OS or > > machine, whose programs can't or shouldn't be > > executed. > > Any sane OS will gave a sane error when you do that anyway. If you have a linux-fileserver serving bi

Re: Debconf and noexec on /tmp

2001-11-08 Thread Vineet Kumar
* Ethan Benson ([EMAIL PROTECTED]) [011108 07:56]: > On Thu, Nov 08, 2001 at 03:43:56PM +0100, Wichert Akkerman wrote: > > Previously Ethan Benson wrote: > > > its not, it provides you NO extra security whatsoever, and will break > > > many many things. > > > > It breaks a fair number of scripts

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Rolf Kutz wrote: > If you mount partitions of a different OS or > machine, whose programs can't or shouldn't be > executed. Any sane OS will gave a sane error when you do that anyway. Wichert. -- _ /[EMAIL PROTECTED]

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Rolf Kutz wrote: > If you mount partitions of a different OS or > machine, whose programs can't or shouldn't be > executed. Any sane OS will gave a sane error when you do that anyway. Wichert. -- _ [EMAIL PROTECTED]

Re: Debconf and noexec on /tmp

2001-11-08 Thread Oyvind A. Holm
On 2001-11-08 16:47 Wichert Akkerman wrote: Previously Emmanuel Lacour wrote: EL> What's the use of noexec flag??? WA> Historic thing mostly with very little practical use these days. At least it's a Good Thing to have around when mounting DOSish floppies and such to avoid having all files marke

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
Wichert Akkerman ([EMAIL PROTECTED]) wrote: > Previously Emmanuel Lacour wrote: > > What's the use of noexec flag??? > > Historic thing mostly with very little practical use these days. man mount - Rolf

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
Emmanuel Lacour ([EMAIL PROTECTED]) wrote: > What's the use of noexec flag??? If you mount partitions of a different OS or machine, whose programs can't or shouldn't be executed. - Rolf

Re: Debconf and noexec on /tmp

2001-11-08 Thread Oyvind A. Holm
On 2001-11-08 16:47 Wichert Akkerman wrote: Previously Emmanuel Lacour wrote: EL> What's the use of noexec flag??? WA> Historic thing mostly with very little practical use these days. At least it's a Good Thing to have around when mounting DOSish floppies and such to avoid having all files mark

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > 1: if your system is vulnerable to script kiddies then admin needs to >be taken out back and beaten with a large LART. Sure, but I don't mind having a hopefully completely redundant extra layer in there. > 2: if the script kiddie even has 2 tenths of a percent

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:43:56PM +0100, Wichert Akkerman wrote: > Previously Ethan Benson wrote: > > its not, it provides you NO extra security whatsoever, and will break > > many many things. > > It breaks a fair number of scripts that script-kiddies use, and as > such it is somewhat useful. 1

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Emmanuel Lacour wrote: > What's the use of noexec flag??? Historic thing mostly with very little practical use these days. Wichert. -- _ /[EMAIL PROTECTED] This space intentionally left occupied \ | [EMAIL PRO

Re: Debconf and noexec on /tmp

2001-11-08 Thread Emmanuel Lacour
Ok, thanks for all the comments, I remember have been seen that we could run a program in a noexec partition like you said. So I will continue without noexec (and do more stuff on more usefull security tricks). Just one question: What's the use of noexec flag??? -- Easter-eggs

Re: Debconf and noexec on /tmp

2001-11-08 Thread Tim Haynes
Wichert Akkerman <[EMAIL PROTECTED]> writes: > Previously Ethan Benson wrote: > > its not, it provides you NO extra security whatsoever, and will break > > many many things. > > It breaks a fair number of scripts that script-kiddies use, and as > such it is somewhat useful. . FWIW it'll also bre

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
Wichert Akkerman ([EMAIL PROTECTED]) wrote: > Previously Emmanuel Lacour wrote: > > What's the use of noexec flag??? > > Historic thing mostly with very little practical use these days. man mount - Rolf -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble?

Re: Debconf and noexec on /tmp

2001-11-08 Thread Rolf Kutz
Emmanuel Lacour ([EMAIL PROTECTED]) wrote: > What's the use of noexec flag??? If you mount partitions of a different OS or machine, whose programs can't or shouldn't be executed. - Rolf -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PRO

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > its not, it provides you NO extra security whatsoever, and will break > many many things. It breaks a fair number of scripts that script-kiddies use, and as such it is somewhat useful. Wichert. -- ___

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:13:05PM +0100, Emmanuel Lacour wrote: > Hi, > > I've got an ix86 with woody installed today, made a separate partition > for /tmp and mounted it noexec (I thinks it's a good Idea...). its not, it provides you NO extra security whatsoever, and will break many many things

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Emmanuel Lacour wrote: > Is this due to debconf or to the scripts preinst from ntpdate?? You hit bug# 116448 (see http://bugs.debian.org/116448) Wichert. -- _ /[EMAIL PROTECTED] This space intentionally left

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > 1: if your system is vulnerable to script kiddies then admin needs to >be taken out back and beaten with a large LART. Sure, but I don't mind having a hopefully completely redundant extra layer in there. > 2: if the script kiddie even has 2 tenths of a percen

Debconf and noexec on /tmp

2001-11-08 Thread Emmanuel Lacour
Hi, I've got an ix86 with woody installed today, made a separate partition for /tmp and mounted it noexec (I thinks it's a good Idea...). When apt-get installing ntpdate, I got the folowing error: Can't exec "/tmp/config.4271": Permission denied at /usr/share/perl/5.6.1/IPC/Open3.pm line 159 ...

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:43:56PM +0100, Wichert Akkerman wrote: > Previously Ethan Benson wrote: > > its not, it provides you NO extra security whatsoever, and will break > > many many things. > > It breaks a fair number of scripts that script-kiddies use, and as > such it is somewhat useful.

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Emmanuel Lacour wrote: > What's the use of noexec flag??? Historic thing mostly with very little practical use these days. Wichert. -- _ [EMAIL PROTECTED] This space intentionally left occupied \ | [EMAIL PRO

Re: Debconf and noexec on /tmp

2001-11-08 Thread Emmanuel Lacour
Ok, thanks for all the comments, I remember have been seen that we could run a program in a noexec partition like you said. So I will continue without noexec (and do more stuff on more usefull security tricks). Just one question: What's the use of noexec flag??? -- Easter-eggs

Re: Debconf and noexec on /tmp

2001-11-08 Thread Tim Haynes
Wichert Akkerman <[EMAIL PROTECTED]> writes: > Previously Ethan Benson wrote: > > its not, it provides you NO extra security whatsoever, and will break > > many many things. > > It breaks a fair number of scripts that script-kiddies use, and as > such it is somewhat useful. . FWIW it'll also br

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Ethan Benson wrote: > its not, it provides you NO extra security whatsoever, and will break > many many things. It breaks a fair number of scripts that script-kiddies use, and as such it is somewhat useful. Wichert. -- __

Re: Debconf and noexec on /tmp

2001-11-08 Thread Ethan Benson
On Thu, Nov 08, 2001 at 03:13:05PM +0100, Emmanuel Lacour wrote: > Hi, > > I've got an ix86 with woody installed today, made a separate partition > for /tmp and mounted it noexec (I thinks it's a good Idea...). its not, it provides you NO extra security whatsoever, and will break many many thing

Re: Debconf and noexec on /tmp

2001-11-08 Thread Wichert Akkerman
Previously Emmanuel Lacour wrote: > Is this due to debconf or to the scripts preinst from ntpdate?? You hit bug# 116448 (see http://bugs.debian.org/116448) Wichert. -- _ [EMAIL PROTECTED] This space intentionally left

Debconf and noexec on /tmp

2001-11-08 Thread Emmanuel Lacour
Hi, I've got an ix86 with woody installed today, made a separate partition for /tmp and mounted it noexec (I thinks it's a good Idea...). When apt-get installing ntpdate, I got the folowing error: Can't exec "/tmp/config.4271": Permission denied at /usr/share/perl/5.6.1/IPC/Open3.pm line 159 ..