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Article #52114

Re: Zawieszanie maszyny za pomoc? fork()

#52114
From: Robert Jaroszuk
Date: Mon, 20 Sep 2004 08:06
40 lines
2862 bytes
On Sun, 19 Sep 2004, Marek Blaszkowski wrote:

> Robert Jaroszuk <zim@nospam.iq.pl> wrote:
> > [...]
> > ulimity mozna w banalny sposob ominac, np. bash --norc, PAMy nie sa
> > [...]
> 
> A mozesz rozwinac w jakiz to sposob ominiesz limit poprzez powyzszy
> przyklad (bash --norc) (uid !=0)? (limit ustawiony przez parent
> login/daemon, ktory pozniej robi suid na okreslonego uzytkownika a
> nastepnie laduje shell).

Sytuacja niejednokrotnie z zycia wzieta - ustawianie ulimit w
/etc/profile.

host1$ ssh host2 "/bin/bash --norc"
zim@host2's password:
ulimit -a
core file size (blocks)     0
data seg size (kbytes)      unlimited
file size (blocks)          unlimited
max locked memory (kbytes)  unlimited
max memory size (kbytes)    unlimited
open files                  512
pipe size (512 bytes)       8
stack size (kbytes)         unlimited
cpu time (seconds)          unlimited
max user processes          unlimited
virtual memory (kbytes)     unlimited

Oczywiscie PAM tutaj pomoga, ale pytales o --norc

-- 
..... Robert Jaroszuk - zim iq pl - [ IQ PL Sp. z o.o. ] .....
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.. http://zim.iq.pl/ . RJ735-RIPE . http://zim.iq.pl/photo/ ..
... The superior warrior wins without fighting -- Sun Tzu. ...
-- 
Archiwum grupy: http://niusy.onet.pl/pl.comp.security
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