![suexec 736x491 - ⚠️ ERROR [ModSecurity] unknown server variable while parsing: MULTIPART_STRICT_ERROR](https://pcx3.com/wp-content/uploads/2021/02/suexec-736x491.png "⚠️ ERROR [ModSecurity] unknown server variable while parsing: MULTIPART_STRICT_ERROR")
After installing LiteSpeed in our server, new uploads in WordPress websites (wp-content/uploads directory) are showing “nobody” permissions. If switched back to Apache, uploads work fine and are uploaded under the correct user. Error log...
To generate a sendmail configuration file you must edit the file /etc/mail/sendmail.mc (make a copy of it first for future reference). This file is used to generate the sendmail.cf file which is the main sendmail configuration...
During a rutine malware cleanup a file named hax.html caught my attention. On the outside the file was a simple “you’re hacked page” that looked like this: 407 Authentic Exploit Shell But with a POST method sent to it a nice little...
Here is a list of the most commanly used Linux commands for performance monitoring and debugging that will be helpful when you are working on Linux environment. This list is not comprehensive or authoritative by any means. However, this list has...
During a regular anaysis of a WordPress website for a new user I’ve noticed a file named wp-blogs.php in the public_html folder. As an experienced WordPress user, the name itself drew attention, as I do not recall ever seeing a file called wp...
A few weeks ago I was approached by a friend of mine, complaining about high load and CPU usage on one of his shared hosting servers (DELL) running CentOS 7, CloudLinux and cPanel. I was more than happy to take a look, and after a couple of minutes...
WSO (web shell by oRb) is a simple and easy to use tool for any would-be hacker to learn and use. WSO 2.6 Shell This shell allows an attacker to perform the following actions: View detailed server informationFile management (uploading, downloading...
Here is how to set up Sendmail the quick method, but also you may want to also check out the better method for setting up Sendmail. Allowing SMTP (open Port 25) using sendmail On an initial installation of Linux, sendmail blocks smtp and only allows...
To connect to the FTP server, we have to type in the terminal window ‘ftp’ and then the domain name ‘domain.com‘ or IP address of the FTP server and port. ftp example.com 21 you will be asked for username and...
There are hundreds of Linux applications on the market, each with their own configuration files and help pages. This variety makes Linux vibrant, but it also makes Linux system administration daunting. Fortunately, in most cases, Linux applications...