Introduction When running a mail or web server with DNSSEC enabled, adding TLSA records to your DNS zone allows clients […]
Secure DANE with TLSA Records in Virtualmin Using Let’s Encrypt (and Beyond) Read Post »
As network security evolves and threats arise from countless IPs across numerous subnets, traditional firewalls often struggle to keep up.
High-Performance IP Filtering in Modern Linux Firewalls Read Post »
PHP has long been the workhorse of the web. From humble beginnings as a set of CGI scripts to powering
Why PHP Must Evolve and Be Different from Version to Version Read Post »
Port knocking is a security mechanism that creates a hidden gateway into services like SSH by requiring a specific sequence
Implementing and Accessing SSH with CSF Port Knocking Enabled Read Post »
To minimize exposure to these threats, ConfigServer Security & Firewall (CSF) includes port knocking, a technique that allows administrators to
Securing Your Server with Port Knocking in CSF Firewall Read Post »
Understanding the Need for Port Knocking In the ever-evolving landscape of cybersecurity, server security is a top priority for system
Port scanning is a widely used technique in cybersecurity, often employed by attackers to identify open ports and vulnerabilities on
Optimizing Firewall for Port Scan Protection Read Post »
Just found out on my nginx log “ssl_stapling” ignored, no OCSP responder URL. Nginx does not get respond from Let’s
“ssl_stapling” ignored, no OCSP responder URL Read Post »
CRL (Certificate Revocation List) and OCSP stapling (Online Certificate Status Protocol stapling) are both methods for checking the validity of
How does CRL compare to OCSP stapling? Read Post »
Virtual Private Networks (VPNs) have become essential tools for individuals and professionals alike, offering a layer of security and privacy
VPNs: A Shield for Professionals and Online Activities Read Post »
Introduction A Virtual Private Network (VPN) is a technology that creates a secure and encrypted connection over a less secure
Understanding VPNs Read Post »
Introduction: Experiencing slow performance on your KVM/QEMU console during emergency situation, such as a server crash, can be daunting, particularly
Slow Performance on KVM Qemu Console in case of Emergency Read Post »
