Problem with www/mod_cband
koitsu at FreeBSD.org
Fri Oct 17 17:54:01 UTC 2008
On Fri, Oct 17, 2008 at 12:57:41PM -0400, David Karapetyan wrote:
> FreeBSD office19.resnet.nd.edu 7.0-RELEASE-p5 FreeBSD 7.0-RELEASE-p5 #0:
> Wed Oct 1 10:10:12 UTC 2008
> root at i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386
> Hello everyone. Every time I try to use the mod_cband module in my
> apache22 webserver, apache segfaults upon restart. Things work fine when
> I disable the module from httpd.conf. Is this module broken, and if so,
> what comparable alternatives are there?
Be aware that mod_cband has quite a horrible bug. This is a Debian bug
report, but the same problem applies to FreeBSD. Be sure to read the
entire bug, not just the original report.
Regarding alternatives: there aren't. Bandwidth limiting is a
long-standing feature of Apache that's missing, which is a huge
The best solution I've found on FreeBSD is to use pf(4) with ALTQ,
and give each VirtualHost its own IP address, then rate-limit the IP
address using pf(4). Yes, I realise this is impractical for sites
which have many vhosts and use name-based virtualhosts.
Welcome to my world...
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |
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