apache2 mod_vhost_limit

Restrict the number of simultaneous connections per vhost

sources http://sisyphus.ru/en/srpm/Sisyphus/apache2-mod_vhost_limit/sources

Install

tar -xzvf mod_vhost_limit-0.2.tgz
cd mod_vhost_limit-0.2/
apxs2 -i -c -n mod_vhost_limit.so mod_vhost_limit.c

vi httpd.conf
LoadModule vhost_limit_module modules/mod_vhost_limit.so

ExtendedStatus On
MaxVhostClients 30

Save and restart apache

In apache error.log

[Tue Aug 17 02:17:46 2010] [warn] Vhost Limit : Access to domain.com deferred, Max Clients 10 exceeded (11 currently)
[Tue Aug 17 02:18:55 2010] [warn] Vhost Limit : Access to domain.com deferred, Max Clients 10 exceeded (13 currently)
[Tue Aug 17 02:18:55 2010] [warn] Vhost Limit : Access to domain.com deferred, Max Clients 10 exceeded (12 currently)