ISPConfig 3
How to change DNSSEC Algorithm in ISPConfig 3
This tutorial explains how to change your DNSSEC algorithm for a DNS zone managed by ISPConfig 3. In this case,…
Send all outgoing email trough one IP address in postfix
When a server has more than one IP address, then postfix will use all IP addresses randomly to send out…
Blocking .exe attachments with postfix or amavisd-new and ISPConfig 3
If you use postfix and / or amavisd-new on the mail server, you can use the following recipes to block…
How to enable DKIM email signatures in amavisd-new and ISPConfig 3.0
NOTE: This post is about ISPConfig 3.0 and not 3.1 and newer. ISPConfig 3.1 and newer has DKIM support builtin,…
pure-ftpd does not show more then 2000 files on Debian and Ubuntu
The pure-ftp daemon by default has a recursion limit of 2000 files, this prevents the server from showing more then…
How to disable Apache mod_security for a website in ISPConfig 3.
If you use mod_security on your server you might encounter that a website script is not compatible with mod_security. To…
How to renew the ISPConfig 3 SSL Certificate
This tutorial describes the steps to renew the SSL Certificate of the ISPConfig 3 control panel. There are two alternative…
Where is the ISPConfig 3 configuration file?
ISPConfig 3 has two different configuration files, one for the server part and one for the interface. ISPConfig 3 Interface…
Enable image caching in apache for better Google Page Speed results
High page speed and short page load times of your website are essential for good search engine rankings today. In…
Which ports are used on a ISPConfig 3 server and shall be open in the firewall?
Here is a list of ports that are used commonly on ISPConfig 3 servers. If you don't have all services…