Tag: security

PowerShell – regedit

Using PowerShell for editing of registry illustrated by the example of Internet Explorer 11 Hardening (MS15-124 – critical security issue)….




CentOS – yum-cron

Full automatic actualization of critical systems is a very controversial matter. It’s an extremely complex problem, which everybody has to settle in their own environment, taking into account its specificity. If you want to do it, you can use yum-cron for this purpose. BTW – consultants of RHEL recommend this solution. This allows to forget…




CentOS – fail2ban

Known, well-liked and widely used tool for servers’ protection from a brute-force attack. Fail2ban by the example for ssh configuration….




Secure secure shell

SSH – successor and vanquisher of telnet, a standard of the communication protocols running on transport layer (tcp) of OSI Model. In this post I show my way of tweaking its security and comfort of use. The best way of linux system manipulation….