February 10, 2020 in Tips and Tricks
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 […]
February 10, 2020 in Tips and Tricks
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 […]
February 10, 2020 in Tips and Tricks
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 […]
February 10, 2020 in Tips and Tricks
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 […]
February 7, 2020 in Tips and Tricks
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 […]
January 30, 2020 in Tips and Tricks, Ubuntu
different commands to check the load average in linux.Loadaverage is the system load,which is a measure of the amount of computational work that a computer system performs.When you run the command in output,you will see one, five, and fifteen minute moving load average of the system.The practical of load average command is done in Red […]
January 30, 2020 in Tips and Tricks, Ubuntu
security The files are not world writeable. They are restricted to the owner of the files for writing. The web server has to be run under a specific user. That user must exist. If it were run under root, then all the files would have to be accessible by root and the user would need […]
January 27, 2020 in Tips and Tricks, Ubuntu
The other answers are correct, in that chmod -R 755 will set these permissions to all files and subfolders in the tree. But why on earth would you want to? It might make sense for the directories, but why set the execute bit on all the files? I suspect what you really want to do is set the […]
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