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During install I get the following error: "configure: error: Cannot find MySQL header files under /usr."

To install ISPConfig, the MySQL Devel packages are necessary. After you installed the mysql-devel package from your linux distro, you can run the ISPConfig setup again.

Invalid or corrupt certificate error code -8182, how can i fix it?

You can re-generate the ISPConfig SSL certificate like this:

openssl genrsa -des3 -passout pass:yourpassword -out /root/ispconfig/httpd/conf/ssl.key/server.key2 1024

openssl req -new -passin pass:yourpassword -passout pass:yourpassword -key /root/ispconfig/httpd/conf/ssl.key/server.key2 -out /root/ispconfig/httpd/conf/ssl.csr/server.csr -days 365

openssl req -x509 -passin pass:yourpassword -passout pass:yourpassword -key /root/ispconfig/httpd/conf/ssl.key/server.key2 -in /root/ispconfig/httpd/conf/ssl.csr/server.csr -out /root/ispconfig/httpd/conf/ssl.crt/server.crt -days 365

I have deleted a site/domain and now want to create a new site/domain with the same name but ISPConfig does not allow it.

Most probably the deleted site/domain is still in the recycle bin. You have to delete them first in the recycle bin before you are able to create a new object with that name.

I created a new user but he cannot log in to see the website statistics.

The statistics are updated once a day. Once this has happened the new user can log in.

How do I authenticate myself to see the website statistics?

All users belonging to that site can log in with their username and password.

If there are no users you can log in like this:

Username: admin
Password: stats

Where can I find statistics for the websites managed by the ISPConfig system?

If the package webalizer is installed on your system you can find the statistics of the respective site in the folder stats (e.g. The statistics are updated once a day. If you create a new site you will not see statistics at once.

I created a web xyz.tld and can reach it via, but not via xyz.tld.

Under Co-Domains please enter xyz.tld (without host!). The website will then also reachable via xyz.tld.

I need an SSL certificate for my website. What do I have to do?

Activate the option SSL on the tab Basic of the web and go to the tab SSL. Provide your information there (State/county and Organizational unit are optional").

Please leave empty the fields SSL Request and SSL Certificate. Choose Create Certificate under Action and then click on Save.

Afterwards, if you go to the tab SSL again, you will find the Certificate Signing Request (CSR) under SSL Request. Copy the CSR. With this CSR you can apply for an SSL certificate at companies like Verisign (, Baltimore (, Entrust (, Geotrust (, IPSCA ( or InstantSSL (

I changed some directives in the virtual hosts by hand, but they suddenly disappeared.

Never edit the vhost file manually. On the next update of the system your changes will be overwritten! Instead put your additional vhost configuration in the Apache Directives field in the ISPConfig Interface.

If you want to add something manually to other files, e.g Postfix' local-host-names, you can put your configuration at the end of the file in a section that is not overwritten by ISPConfig.

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