Tweet If you use the apache mod_security module on your apache server, you might encounter wrong 403 errors for several URL's of the cms systems. Here are some exception rules to avoid that: For WordPress Blogs <locationmatch "/wp-admin/admin-ajax.php"> SecRuleRemoveById 300013
Tweet If you have a local mail server installed and change your server controlpanel to ISPConfig 3, having used ISPConfig 2 in the past, you may have to change the value that defines the form field observed by all functions
Tweet The ISPConfig 2 controlpanel installs its own copy of Spamassassin in the folder /home/admispconfig/ispconfig/tools/spamassassin . To update the Spamassassin filter rules in ISPConfig 2, run this command as root user: /home/admispconfig/ispconfig/tools/spamassassin/usr/bin/sa-update To test if Spamassassin works with the new ruleset,
Tweet The Webalizer package in Debian 6 has currently small bug as the required package for the GeoIP database is not installed automatically when Webalizer is installed. The symptoms are that Webalizer statistics was not created and this error message
Tweet When a server has more then one IP address, then postfix will use all IP addresses randomly to send out emails. This can cause your emails to be listed as SPAM on other servers because the sending IP does
Tweet I've got the following error message on Debian Linux (6.0) with Courier IMAP server: Filesystem notification initialization error -- contact your mail administrator (check for configuration errors with the FAM/Gamin library) when I tried to access a IMAP share.
Tweet The following guide explains the installation of the apache module "mod_evasive". Mod_evasive tracks the number of requests of files at the apache webserver and blocks the delivery in case that a certain limit has been reached. Installation apt-get install
Tweet If you get the error "/dev/zero: No space left on device" in the apache error.log on a OpenVZ virtual machine, then the shared memory size in the xcache.ini is too high or the xcache.mm_path is set wrong. Edit the
Tweet The /tmp and /dev/shm directories of a OpenVZ virtual machine shall be mounted without suid and exec permissions. To achieve this, create a a shell script on the host server for every virtual machine which contains the commands to
Tweet In case you plan to virtualize your server infrastructure and migrate physical servers to OpenVZ virtual machines, you may find this tutorial helpful: http://wiki.openvz.org/Physical_to_container I used this to migrate a ISPConfig Debian system to OpenVZ successfully.