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All HowTo's Cyber-Security Linux Redhat, Fedora and CentOS Linux Web Servers

Letsencrypt With Apache and CentOS7

Feb 12th, 2018. I’ve updated this document to reflect recent changes to the command used to generate certiciates with Lets Encrypt. This article demonstrates how to add Letsencrypt SSL certificates to a CentOS 7 apache server. Some information for this article was obtained (and simplified) from here: https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-centos-7 This is

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All HowTo's Cyber-Security Linux Redhat, Fedora and CentOS Linux

Limiting access by IP to SSH on CentOS7 and RHEL7

This article explains how to use TCPWrappers to control which hosts can connect to a server using SSH. The two files we’ll be using are “/etc/hosts.allow” and “/etc/hosts.deny”. As the names imply, we’re controlling which “hosts” can access the server, not which users. Find out more here: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/3/html/Reference_Guide/s1-tcpwrappers-access.html Why not

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All HowTo's Cyber-Security Linux Redhat, Fedora and CentOS Linux

ClamAV on CentOS7/Redhat7 – Periodic disk scans

This article explains how to install and configure periodic scans with ClamAV on CentOS7 or Redhat (RHEL) 7 servers. Much of this came from “https://ismailyenigul.wordpress.com/2015/01/05/install-clamav-on-centos-7/”. I’ve updated this article with a work-around for the (seemingly common) cron issue. Clamscan doesn’t seem to run from “/etc/cron.d/whatever” but does from “crontab -e”. Install

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