Getting Started with Port 25 Port 25 is one of the well-known ports that is an essential part of Internet communication. It plays a vital role in sending and receiving emails. Understanding what port 25 is and how it functions provides insight into the underlying...
What is Web Application Firewall (WAF)? A Web Application Firewall (WAF) is a firewall designed to monitor, filter, and block HTTP traffic to and from a web application. A WAF provides a protective layer for web apps, analyzing all incoming HTTP traffic to block...
Getting Started with Port 123 Port 123 is one of the most important and commonly used ports in computer networking. The Network Time Protocol (NTP) is a protocol used to synchronize time across computer networks. It allows computers to set their internal clocks to the...
What is Secure SDLC? The secure software development lifecycle (SSDLC) is a process for building security into software from the planning stages through implementation, testing, deployment, and maintenance. It expands on the traditional software development lifecycle...
Getting Started with Port 22 Port 22 is one of the most important and commonly used network ports. It is the default port for Secure Shell (SSH) connections, which provide secure remote access to network devices. This comprehensive guide will explain what port 22 is,...
What is DNS over HTTPS (DoH) DNS over HTTPS (DoH) is a protocol for performing DNS resolutions via the HTTPS protocol. It encrypts DNS queries to prevent eavesdropping and manipulation. DoH also provides privacy benefits by hiding DNS queries from network operators....
An Overview of .PFX File A .PFX file contains the private key and public key (certificate) of a certificate in one encrypted file. The .PFX format is commonly used to import and export certificates and their private keys from Windows systems for use with servers like...
Beginner's Guide to Setup an SSL Certificate in XAMPP Installing an SSL certificate on XAMPP allows you to access your local development environment over HTTPS. This is useful for testing SSL-enabled features before deploying to production. Key Takeaways XAMPP makes...
Getting Started with Port 23 Port 23 is one of the most common and important TCP/UDP ports used on the Internet and in computer networking. It is the standard port for the Telnet protocol, which provides bidirectional interactive text-oriented communication between...
Port 80 = HTTP - unencrypted, insecure. In 2026, use only to redirect traffic to Port 443. Port 443 = HTTPS - encrypted with TLS/SSL. Required for every public-facing website, API, and web application. Port 8080 = Alternative HTTP - development servers, proxies, and...