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More OpenSSL vulnerabilities announced

by TJNII

Life of sysadmin; now days

#sysadmin #security #devops #nerd

#php #nerd #programming

9 Linux Commands To Be Known To Secure Your Linux From Danger . Linux shell or terminal commands are very powerful and just a simple command could lead one to delete a folder, files or root folder, etc.

#nerd #linux #command #shell

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Ban TOR relay from your Server

https://github.com/rajeevan/BanTorRelays

Recently we have been scrapped using TOR network, When they do it in an excessive rate; your website performance will degrade very rapidly and TOR makes it difficult to block IP address.

I needed a quick and dirty solution to BAN TOR relays from accessing our server. Tor network do provide information on how to detect tor relays using TorDNSEL; but that is not a quick solution we can integrate!

Alternative I found that they do support generating a list of relays that can connect to given IP address on a port.

No it's time to cook some dirty recipe to block those relays from hitting our web services; We do have iptables running to do some basic filtering, and all I need to do is to add these IP address to the blocked list.

Here is the quick and Dirty Bash script: https://github.com/rajeevan/BanTorRelays that will block all tor relays, given that these relays change quite often and I do not want to ban TOR relays permanently; I decided to build this script and we can reset the ban by simply restarting / reloading the iptables

It's best to use the ipset instead of directly using iptables for performance, but that is for another time ;)

#nerd #sysadmin #bash #tor #network

#sysadmin #nerd #linux

Cool android codes :)

#nerd #android #mobile

Command-line radio for computer geeks.

#nerd #computer #command

Learn with free books

#nerd #programming #learning #python

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Watch Anya Live on Cam

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.

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Python expert Karolina Alexiou shows how to avoid some of the most common pitfalls that developers run into when using Python for big data analytics.

#nerd #python #learning #programming

Learn...

#nerd #interview #java #programming

the time....... now in colour.

A crossword puzzle game using regular expressions. Earn achievements completing puzzle challenges. Easy tutorials for people new to regular expressions.

Learn RegEx the Funway?

#nerd #programming

Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Think of it as strace + tcpdump + lsof with a little Lua cherry on top.

#nerd #sysadmin #linux

•18+ Adults Only

Watch Anya Live on Cam

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.

✓ Live Streaming✓ Interactive Chat✓ Private Shows✓ HD Quality✓ Free Actions

Free to watch • No registration required • HD streaming

IPv6 Quick Guide - Learn IPv6 (Internet protocol Version-6) in simple and easy steps. A beginner's tutorial containing complete knowledge of IPv6, IPv6 Features, Addressing Modes, Address Types, Address Format, IPv6 Special Addresses, IPv6 Headers and Extension Headers, Communication in IPv6, IPv6 Subnetting, IPv6 Mobility, Transition from IPv4 to IPv6, Routing in IPv6, IPv6 deployment and future aspects.

#nerd #internet #development #sysadmin

Who is using my PORT

# netstat -tulpn | grep :80

#nerd #linux #programming

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