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Security Useful

Secure Your Browser with Secure DNS – DNSSEC, TLS and Encrypted SNI

Well, this is new to many, and for most it is like an alien technology, but this is the future and it is absolutely necessary for the internet, oh, I could say urgently! So what do you need to do to get a better night’s sleep, knowing that your traffic is not “spied on” by […]

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Servers Useful

How to use Cloudflare CF-IPCountry Hader in .htaccess !

The CF-IPCountry header is specific only to those who use Cloudflare in “Proxied” mode, so if you do not use Cloudflare, then this article is not useful! 1). How to block traffic from specific countries using CloudFlare If for any reason you want to block visitors from any country, the solution is extremely simple and […]

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Linux Security Servers Tools

How to allow an IP or range IPs in Fail2ban on Debian/Ubuntu Linux

I use Fail2Ban primarly to protect my wordpress-servers against brute force attacks. Fail2ban uses iptables (IP packet filter rules of the Linux kernel firewall) to block attackers, so, if you do not want to be left without access to the server, it would be useful to add a list of IPs from where you access the […]