If you use mod_security on your server you might encounter that a website script is not compatible with mod_security. To disable mod_security (v2) for a website, add the following code into the apache directives field: <IfModule mod_security2.c> SecRuleEngine Off </IfModule> For the older mod_security 1 version, use these configuration directives: <IfModule mod_security.c> SecFilterEngine Off </IfModule> ... Read more
This tutorial describes the steps to renew the SSL Certificate of the ISPConfig 3 control panel. There are two alternative ways to achieve that: Create a new OpenSSL Certificate and CSR on the command line with OpenSSL. Renew the SSL Certificate with the ISPConfig updater I'll start with the manual way to renew the ssl ... Read more
ISPConfig 3 has two different configuration files, one for the server part and one for the interface. ISPConfig 3 Interface The config file location is: /usr/local/ispconfig/interface/lib/config.inc.php ISPConfig 3 Server The config file location is: /usr/local/ispconfig/server/lib/config.inc.php The MySQL root password that is used to create new MySQL databases only is stored in the file: /usr/local/ispconfig/server/lib/mysql_clientdb.conf
High page speed and short page load times of your website are essential for good search engine rankings today. In this FAQ, I will show you how to enable caching of graphic and CSS files in apache on Ubuntu and Debian. The first step is to enable the expires module in apache: a2enmod headers expires ... Read more
Here is a list of ports that are used commonly on ISPConfig 3 servers. If you don't have all services installed or if you e.g. don't want to connect to MySQL from external servers, then close the unused or unwanted ports. TCP ports 20 - FTP Data 21 - FTP Command 22 - SSH 25 ... Read more
When you get a 500 error in a webpage hosted on Debian Linux (6.0) with apache webserver and fastcgi, take a look into the apache error.log file. This can either be the global error.log or the error.log of the website where you got the error. If you find a error similar to this one: [Fri Apr ... Read more
If you lost your ISPConfig 3 administrator password, you can reset it with the following SQL query. UPDATE sys_user SET passwort = md5('admin') WHERE username = 'admin'; The SQL query sets the password to "admin" for the user "admin", it has to be executed in the ISPConfig mysql database, e.g. with phpmyadmin. If you dont ... Read more
A copy of a incoming email can be sent to a second email address by adding a cc command to the "Custom Rules" field of the mailbox in ISPConfig. ISPConfig supports sieve as well as maildrop filter rules. The rule language depends on the LDA / POP3 / IMAP-Daemon that you use on your server. ... Read more
The following guide describes the steps to add DNS records that route emails from a domain managed in ISPConfig 3 to google apps / gmail. The guide assumes that you have already setup the dns zone for your domain in ispconfig. Login to ISPConfig, click on the DNS module icon in the upper navigation bar, ... Read more
The command below enables a stricter SPAM handling for postfix on ISPConfig 3 servers. In Detail: Reject sender hostnames with invalid syntax Reject sender hostnames that are no fully qualified domains (e.g. reject "server1" but allow server1.domain.tld) Reject sender domains that have no DNS records Check sender IP addresses against realtime blacklists. First make a ... Read more