What is SSH Protocol?

What is SSH? Secure SHell Protocol (SSH) is a cryptographic (encrypted) network protocol to allow remote login and other network services to operate securely over an unsecured network. The functionality of SSH is similar to Telnet and rlogin, but, unlike them, encrypts all traffic including transmitted passwords. This is the way you manage your server […]

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How to setup iRedMail on CentOS 7

iRedMail is a bash script for software installation which is necessary to setup the e-mail server. This script includes the following components: Dovecot – POP3 and IMAP services; Postfix – SMTP-server; Cluebringer – politics service of the Postfix server; SpamAssassin – spam filter; ClamAV – antivirus; Amavisd – interface for exchange between Mail Transfer Agent, […]

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HTTP 403 forbidden Error

There are several causes why HTTP 403 forbidden Error occurs: 1. Index file (index.php, index.html) is not present in domain folder. Or in the “WWW Domain” settings is mentioned the other file which is not present on a server. 2. You put the wrong permission to the folder where the requested file is or to […]

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Network troubleshooting using ping and tracert

Network Troubleshooting (ping and tracert) Ping is a software utility used to test the reachability of a host on TCP/IP network and the name of such type of request. Tracert (Traceroute) is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across TCP/IP network. Windows OS: A ping […]

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