This article is related to FTP programs, namely VSFTPD on RPM-Based, especially CentOS. Except for installation instructions must be adjusted to the existing Linux distribution.

Traditional FTP is generally not safe, because when you log in with your username and password the transmitted data is in text form, this increases the security gap which can allow the sniffing process on your network by people who are not entitled and with it’s easy to read the data you’re transferring. Therefore there was an addition to the new security for this FTP problem. Here we will make it easy for you to create/configure your VSFTPD server using OpenSSL encryption so that your username and password and even data files will be encrypted during the transfer.

The mod_rewrite module in apache is a module that is used to handle URL manipulation and is compiled to the base of the Apache HTTP Server on CentOS.

Following are the steps for configuring Apache mod_rewrite:1. Open and edit the Apache configuration file which is by default located in “/etc/httpd/conf/httpd.conf”

2. Change AllowOverride None to AllowOverride All normally in the <Directory “/ var / www / html”> directory
   Example of using mod_rewrite to direct users to access sites “with the www prefix” or “without www prefix” Open / create a .htaccess file on your public_html page and add the following text or replace the variable with the appropriate values if needed.

Mod_rewrite parameter

access_controls

If you want to delete an object in the Squid proxy server cache, all you can do is manually and automatically delete the Squid proxy cache, here we will discuss how to maintain our proxy machine, the following methods can be run manually or automatically in removing the cache your squid proxy.

Manually delete the squid proxy cache;
1. Stop/stop the running Squid process

# /etc/init.d/squid stop

2. Clean all of Squid’s swap directory cache

Protecting your website needs to be your priority from the very first day that it’s online.  In essence, website security is something you should build right into the foundations of your web pages and hosting servers.

Why? Because your website, whether it’s loaded with financially valuable information or not, is extremely valuable to hackers for all sorts of reasons. For many malicious online players, simply having access to your hosting server or your sites part of a shared server is prize enough to make hacking you worthwhile.