how to map ip address to domain name in ubuntu

Limiting the ammount of concurrent connections from the same IP address to your Server. Identifying the offending IP. And kill the Ongoing TCP Connections with TCPKILL. Or use Cutter to kill the connections on any port/Network interface. Drop it With Iptables. Make the DROP Persistant after a reboot. (iptables save and restore) Basic Iptables-save trouble […]

What is Wildcard SSL Certificate? The best way to secure and protect sub-domains can be accomplished through the use of a Wildcard SSL Certificate. These certificates offer convenience and affordability by use of a public key certificate which can be used with multiple sub-domains of a domain. Therefore, instead of purchasing and administering several separate […]

in This part i’ll show you a manually way to protect your linux server from DDOs attack , first of all when your server is going down due to a DDOS attack the first thing you need to know is the striker IP address , so to do this i have a couple of commands […]

ASCII stands for American Standard Code for Information Interchange. Below is the ASCII character table, including descriptions of the first 32 characters. ASCII was originally designed for use with teletypes, and so the descriptions are somewhat obscure and their use is frequently not as intended. Java actually uses Unicode, which includes ASCII and other characters […]

The SMS Retriever API provides a fully automated user experience and should be used when possible. It does, however, require you to place a custom hash code in the message body, and this may be difficult to do if you’re not the sender of that message. First download app signed certificate der from your play […]