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Allow/deny,disable or drop/block ping packets on Linux serves Allow/deny,disable or drop/block ping packets on Linux serves

Allow/deny,disable or drop/block ping request Ping is a computer network administration software utility used to test the reachability of ...

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How to Install RkHunter for Rootkit/Trojan Scanning How to Install RkHunter for Rootkit/Trojan Scanning

Install RkHunter for Rootkit/Trojan Scanning rkhunter (Rootkit Hunter) is a Unix-based tool that scans for rootkits, backdoors and poss...

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How to Secure a CentOS Server SSH + Fail2ban + DDOS Deflate How to Secure a CentOS Server SSH + Fail2ban + DDOS Deflate

Secure a CentOS Server SSH + Fail2ban + DDOS Deflate Secure Shell (SSH) is a UNIX-based command interface and protocol for securely gettin...

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Find (View) Default Zone for Firewalld on CentOS 7 Find (View) Default Zone for Firewalld on CentOS 7

Default Zone for Firewalld on CentOS FirewallD is a firewall management tool for Linux operating systems. It provides firewall features ...

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Five Penetration Testing Tools Five Penetration Testing Tools

Five Pentest Tools for you A pentest, short-name for  penetration test , is a software attack which looks for security weaknesses in a ...

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How to protect your SSH server with Fail2Ban on Ubuntu How to protect your SSH server with Fail2Ban on Ubuntu

Protect your SSH server with Fail2Ban on Ubuntu The most suitable application for this purpose is Fail2ban . It is an intrusion prevent...

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Skip Google Authenticator Authentication if Logging in from the Local Network Skip Google Authenticator Authentication if Logging in from the Local Network

Skip Google Authenticator Authentication if Logging in from the Local Network You may trust systems on you local network enough not not...

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Two-step Authentication For SSH On Centos 6 Two-step Authentication For SSH On Centos 6

TWO-STEP AUTHENTICATION FOR SSH ON CENTOS 6 Google Authenticator  implements TOTP (timebased one-time-password) security tokens from RFC...

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Secure SSH with Google Authenticator Two-Factor Authentication on CentOS 7 Secure SSH with Google Authenticator Two-Factor Authentication on CentOS 7

Google Authenticator Two-Factor Authentication on CentOS 7 SSH access is always critical and you might want to find ways to improve the s...

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