How to Secure Nginx with Let's Encrypt on Ubuntu? Security

How to Secure Nginx with Let’s Encrypt on Ubuntu? Let’s Encrypt is a Certificate Authority (CA) that provides a free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. The process of obtaining and installing a certificate is fully automated on both Apache and Nginx. The following steps describe how to configure Let’s Encrypt SSL... Continue Reading Continue Reading

How to fix for DoS vulnerability in BIND DNS service? Linux

BIND DNS servers versions 9.1.0 to 9.9.7-P1 and 9.10.2-P2 allows remote attacker to exploit an error in handling TKEY queries to launch a Denial of Service (DoS) attack resulting in BIND DNS server to crash. You should consider patching if the cPanel/WHM, Odin Plesk or DirectAdmin servers are not patched. There is no work around... Continue Reading Continue Reading

How to force users to use strong passwords in Debian and Ubuntu distros? Linux

A strong password must have 14 characters which should include one special character, one number and one uppercase and one lowercase. Password shouldn’t be predictable and shouldn’t be based on dictionary words. Some administrators / non-techie users do not understand how important is strong passwords and security. These administrators / non-techie users predictable passwords like... Continue Reading Continue Reading


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