Q. How do I verify that my ISP or my own recursive resolvers are free from DNS cache poisoning bug that is promised full disclosure of the flaw by Dan on August 7 at the Black Hat conference? How do I test my dns server for DNS cache pollution or DNS Cache Poisoning bug? A.… Continue reading DNS Cache Poisoning Test
Category: Plesk
Mailbox unavailable or not local error messages – Plesk
If you receive this error when adding a domain: Unable to send notification: mail() failed: SMTP server response: 550 Requested action not taken: mailbox unavailable or not local then you need to add a valid mailbox to your Plesk admin setup. To resolve this issue log into Plesk and click on: Server Edit (under personal… Continue reading Mailbox unavailable or not local error messages – Plesk
Admin account locked out of Plesk
If the Plesk admin account becomes locked due to multiple failed logins, you have two options. The first is to wait till the lockout automatically resets (15 to 30 minutes) or use the following comands. Redhat, once connected via SSH as root: #mysql -uadmin -p`cat /etc/psa/.psa.shadow` psa -e ‘DELETE FROM lockout’ or #mysql -u admin… Continue reading Admin account locked out of Plesk
How to add GD support to PHP on a Linux server with Plesk
Adding GD graphic libraries support to php on your linux server with Plesk is relatively simple. First, log into your server using ssh to get to a command line prompt. Second, type the following command to install a version of php with GD support: up2date php-gd Third, restart your web service with this command: service… Continue reading How to add GD support to PHP on a Linux server with Plesk
How do I retrieve the Plesk control panel password?
You can always get the Plesk password if you have Administrative access to the server. If you have also lost administrative access to the server, refer to [How do I reset the password on my server] For Windows, 1. From the Start menu, select Run. 2. Enter the following command: “C:\Program Files\SWsoft\Plesk\admin\bin\plesksrvclient.exe” -get For Linux,… Continue reading How do I retrieve the Plesk control panel password?
How to install Zend Optimizer with the (IonCube) Loader? (RHEL, Plesk)
How to install Zend Optimizer with the (IonCube) Loader? wget http://downloads.zend.com/optimizer/3.3.3/ZendOptimizer-3.3.3-linux-glibc23-i386.tar.gz tar zxvf ZendOptimizer-3.3.3-linux-glibc23-i386.tar.gz cd ZendOptimizer-3.3.3-linux-glibc23-i386 php -v (Check php version note it down) php -i | grep php.ini (note down the php.ini path) httpd -v (Check version) ./install After the above it will prompt for various path of apache, php php -v (if it… Continue reading How to install Zend Optimizer with the (IonCube) Loader? (RHEL, Plesk)
Service Unavailable error message on a server with Plesk Windows
Plesk Error : Service Unavailable Error under Event Viewer : The identity of application pool ‘PleskControlPanel’ is invalid, so the World Wide Web Publishing Service can not create a worker process to serve the application pool. Therefore, the application pool has been disabled. Try Plesk Reconfigurator > Repair Plesk Installation with checked option Plesk Services… Continue reading Service Unavailable error message on a server with Plesk Windows
Hotlink protection: How-To prevent people from stealing your files
Create an .htaccess file in your public_html directory with the following code: RewriteEngine on RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !^http://(www.)?domain.com.*$ [NC] RewriteRule .(gif|jpg)$ – [F] Where domain.com is your domain.
Plesk – Cannot FTP to a domain after its physical hosting has been recreated
1. Physical hosting on a domain had been removed. 2. Then it was recreated using the same FTP user name. 3. After that it’s impossible to login by ftp to the domain, the FTP server returns an error: 530 User fp1 cannot log in, home directory inaccessible. CAUSE IIS cache causes this problem. RESOLUTION Here… Continue reading Plesk – Cannot FTP to a domain after its physical hosting has been recreated
Plesk : FTP error “home directory inaccessible”
Login to domain.com via FTP fails for all users. The following error message is displayed: Cannot log in, home directory inaccessible CAUSE There could be several reasons: 1. This happens if the host name is longer than 15 symbols. 2. Domain resolves to a different IP then the one it has been configured for in… Continue reading Plesk : FTP error “home directory inaccessible”