tag as “LINUX BASICS” Posts
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How To Install and Configure Config Server Firewall (CSF) …
2014.09.17 · Leave a commentIntroduction Config Server Firewall (or CSF) is a free and advanced firewall for most Linux distributions and Linux based VPS. In addition to the basic functionality of a firewall – filtering pack...
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How To Install and Configure an OpenVPN Access Server on C …
2014.06.27 · Leave a commentIntroduction VPN, or virtual private network, is a secure method of connecting remote internet resources together as if they were under the same LAN. OpenVPN is a popular implementation that works...
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How To Protect SSH with fail2ban on CentOS 6
2014.06.23 · Leave a commentAbout Fail2Ban Servers do not exist in isolation, and those servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically pr...
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Understanding IP Addresses, Subnets, and CIDR Notation for …
2014.05.06 · Leave a commentIntroduction Understanding networking is a fundamental part of configuring complex environments on the internet. This has implications when trying to communicate between servers efficiently, dev...
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