diff options
Diffstat (limited to 'zarb-ml/mageia-dev/2013-March/023400.html')
| -rw-r--r-- | zarb-ml/mageia-dev/2013-March/023400.html | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/zarb-ml/mageia-dev/2013-March/023400.html b/zarb-ml/mageia-dev/2013-March/023400.html new file mode 100644 index 000000000..eafc4338d --- /dev/null +++ b/zarb-ml/mageia-dev/2013-March/023400.html @@ -0,0 +1,106 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] forkbomb protection + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20forkbomb%20protection&In-Reply-To=%3Ckhimdv%24gq1%241%40ger.gmane.org%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="023405.html"> + <LINK REL="Next" HREF="023406.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] forkbomb protection</H1> + <B>David Walser</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20forkbomb%20protection&In-Reply-To=%3Ckhimdv%24gq1%241%40ger.gmane.org%3E" + TITLE="[Mageia-dev] forkbomb protection">luigiwalser at yahoo.com + </A><BR> + <I>Sun Mar 10 20:20:34 CET 2013</I> + <P><UL> + <LI>Previous message: <A HREF="023405.html">[Mageia-dev] Freeze push: xfdesktop 4.10.2 +</A></li> + <LI>Next message: <A HREF="023406.html">[Mageia-dev] Freeze push Firebird +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#23400">[ date ]</a> + <a href="thread.html#23400">[ thread ]</a> + <a href="subject.html#23400">[ subject ]</a> + <a href="author.html#23400">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>David Walser wrote: +><i> I saw an article this morning on LinuxToday that reminded me of the famous shell forkbomb that most of you are probably aware of (I became +</I>aware of it several years ago from someone's e-mail signature on a mailing list): +><i> <A HREF="http://cyberarms.wordpress.com/2012/11/26/an-eleven-character-linux-denial-of-service-attack-how-to-defend-against-it/">http://cyberarms.wordpress.com/2012/11/26/an-eleven-character-linux-denial-of-service-attack-how-to-defend-against-it/</A> +</I>><i> +</I>><i> This also reminded me that we don't have protection against this out of the box in Mageia. +</I>><i> +</I>><i> I checked on Fedora, and it turns out they do, as described here: +</I>><i> <A HREF="https://bugzilla.redhat.com/show_bug.cgi?id=432903">https://bugzilla.redhat.com/show_bug.cgi?id=432903</A> +</I>><i> +</I>><i> Their pam package has a /etc/security/limits.d/90-nproc.conf file that has: +</I>><i> # Default limit for number of user's processes to prevent +</I>><i> # accidental fork bombs. +</I>><i> # See rhbz #432903 for reasoning. +</I>><i> +</I>><i> * soft nproc 1024 +</I>><i> +</I>><i> As the last comment on the bug says, it's a bit confusing that it's in limits.d/ and not the limits.conf file itself, and in fact I'm not +</I>sure what is responsible for processing limits.d/* as limits.conf says nothing about it (Fedora's is the exact same as ours). Anyway, one +way or another it would be nice to have this limit set by default on Mageia, IMHO. WDYT? + +I added this exactly as Fedora has in pam-1.1.6-4.mga3. Let me know if it causes problems or doesn't work. + +</PRE> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="023405.html">[Mageia-dev] Freeze push: xfdesktop 4.10.2 +</A></li> + <LI>Next message: <A HREF="023406.html">[Mageia-dev] Freeze push Firebird +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#23400">[ date ]</a> + <a href="thread.html#23400">[ thread ]</a> + <a href="subject.html#23400">[ subject ]</a> + <a href="author.html#23400">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |