Security

16/06/2016
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How To Secure Apache with Let’s Encrypt on Ubuntu 16.04

Introduction This tutorial will show you how to set up a TLS/SSL certificate from Let’s Encrypt on an Ubuntu 16.04 server running ...
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Iptables Allow MYSQL server incoming request on port 3306

MySQL database is a popular for web applications and acts as the database component of the LAMP, MAMP, and WAMP ...
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Make the configuration of iptables persistent (Debian)

Objective To make the configuration of iptables persistent on a Debian-based system Background The iptables and ip6tables commands can be used to instruct Linux ...
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GeoIP pour iptables

Source: how-to.ovh Marre des pays exotiques qui essaient de s'introduire sur le serveur et pourrissent vos logs et font bosser ...
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Block entire countries on Ubuntu server with Xtables and GeoIP

Source: jeshurun.ca Anyone who has administered even a moderately high traffic server will have noticed that certain unwelcome traffic such ...
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iptables-save

How to save rules of the iptables?

On a server, iptables rules don't reload automatically at reboot. You need to reload the rules using ax executable shell scripture a ...
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Detect Webcam & Microphone Activity on Mac with Oversight

Source: osxdaily.com Though Mac users don’t usually have to worry excessively about “camfecting” malware and spyware, some security conscious users ...
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How to Disable Webcam / FaceTime Camera on Mac Completely

Source: osxdaily.com Some of the more privacy conscious Mac users out there might put tape over their webcam or use apps like Oversight ...
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Easy Ubuntu 16.04 Server Firewall

If you read our previous article Easy Ubuntu Server Firewall, then you may have noted that on Ubuntu 16.04 the ...
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Getting started with Let’s Encrypt SSL Certificates on Ubuntu

This tutorial will guide you through your very first configuration of an SSL website with Let's Encrypt certification. Let's Encrypt ...
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Inotify: Efficient, Real-Time Linux File System Event Monitoring

Summary - or why should I monitor the filesystem at all? The need to scan a given filesystem for changes ...
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Faille de sécurité : MySQL peut donner les privilèges root à des hackers

Et il n'y a toujours pas de correctif MySQL fait partie des systèmes de gestion de bases de données les ...
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OTPW – A one-time password login package

Abstract The OTPW package consists of the one-time-password generator otpw-gen plus two verification routinesotpw_prepare() and otpw_verify() that can easily be ...
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A Deep Dive into Iptables and Netfilter Architecture

IntroductionFirewalls are an important tool that can be configured to protect your servers and infrastructure. In the Linux ecosystem, iptables ...
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How To Secure Nginx with Let’s Encrypt on Ubuntu 14.04

Introduction Let's Encrypt is a new Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL ...
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How to access a Linux server behind NAT via reverse SSH tunnel

You are running a Linux server at home, which is behind a NAT router or restrictive firewall. Now you want ...
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