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#1 2007-04-17 13:58:43

Jansson
Member
From: Sweden
Registered: 2006-09-10
Posts: 106

Is fork bombing still possible as normal user?

A quick question, since my laptop is setup with the 0.7.2 iso, I have to ask if fork bombing as a normal user is still a risk in archlinux default install?

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#2 2007-04-17 14:04:28

lucke
Member
From: Poland
Registered: 2004-11-30
Posts: 4,019

Re: Is fork bombing still possible as normal user?

Check whether you have nproc limit set in /etc/security/limits.conf.

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#3 2007-04-17 14:07:19

Jansson
Member
From: Sweden
Registered: 2006-09-10
Posts: 106

Re: Is fork bombing still possible as normal user?

I fixed this before I posted, so I don't suffer from it, my question is if the default settings in the latest install iso handles it?

Last edited by Jansson (2007-04-17 14:09:55)

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#4 2007-04-17 15:26:11

Snarkout
Member
Registered: 2005-11-13
Posts: 542

Re: Is fork bombing still possible as normal user?

Why not forkbomb a machine of yours to answer that question?  It's easy for someone to say yes or no, but you'll never know for sure until you hammer on things.  This particular nugget of truth can be applied to nearly any question about security or integrity of a system, and forkbombability is pretty easy to check for.


Unthinking respect for authority is the greatest enemy of truth.
-Albert Einstein

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#5 2007-04-17 15:37:00

dtw
Forum Fellow
From: UK
Registered: 2004-08-03
Posts: 4,439
Website

Re: Is fork bombing still possible as normal user?

He's asking if the default setting in Arch's pkg for /etc/security/limits.conf prevents forkbombing - it's a pretty simple question if you read it.

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#6 2007-04-17 16:50:31

lucke
Member
From: Poland
Registered: 2004-11-30
Posts: 4,019

Re: Is fork bombing still possible as normal user?

There are no nproc limits set in default limits.conf.

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#7 2007-04-17 17:30:53

Jansson
Member
From: Sweden
Registered: 2006-09-10
Posts: 106

Re: Is fork bombing still possible as normal user?

Thanks, that answers my question.

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#8 2007-04-17 23:44:36

Snarkout
Member
Registered: 2005-11-13
Posts: 542

Re: Is fork bombing still possible as normal user?

dtw wrote:

He's asking if the default setting in Arch's pkg for /etc/security/limits.conf prevents forkbombing - it's a pretty simple question if you read it.

Yeah.  Sorry for offering hardening advice in a conf file thread.


Unthinking respect for authority is the greatest enemy of truth.
-Albert Einstein

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#9 2007-04-18 08:53:50

dtw
Forum Fellow
From: UK
Registered: 2004-08-03
Posts: 4,439
Website

Re: Is fork bombing still possible as normal user?

Snarkout wrote:

Yeah.  Sorry for offering hardening advice in a conf file thread.

So, you should be.

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