Comment on How to install and configure Jabber Server (Ejabberd) on Debian Lenny GNU / Linux by Carl Chenet.
Lenny is outdated, no more support of any kind (bugs, security). You should use Wheezy, the current Debian stable. Moreover the softwares offered by Lenny are really outdated too.
Carl Chenet Also Commented
How to install and configure Jabber Server (Ejabberd) on Debian Lenny GNU / Linux
Sorry I miss the publication date. Forget what I said.