About cybersecurity | ssl security certificate

What is an SSL port? How does it differ from a regular port?

In the internet environment, when we visit websites, we often see URLs starting with https:// instead of http://. The core technology behind this is SSL/TLS encryption, which ensures the security and integrity of data during transmission.

Troubleshooting and optimization strategies for websites that are inaccessible despite normal DNS resolution.

Many website owners encounter this problem after changing servers, migrating websites, or modifying DNS records: DNS resolution is normal, the domain name resolves to the correct IP address, but the website still cannot be accessed. nslookup or

What to do if DNS resolution fails? Detailed troubleshooting methods

When setting up a website, migrating a server, or changing domain registrar, many people encounter a problem: DNS resolution is not working. Even though A records, CNAME records, or MX records have been added, the website still won't open

What are the differences between TLS 1.3 and TLS 1.2?

Many novice website owners, when configuring HTTPS, will see options like "Enable TLS 1.2" and "Enable TLS 1.3." They then become confused: What are the differences between these two versions? Is newer always better?

What are the most easily overlooked SSL/TLS configuration issues for novice website owners?

In the early stages of website building, many novice webmasters do something that seems "safe enough": install an HTTPS certificate. Once the certificate is installed and a padlock icon appears in

Can a domain name be reclaimed if it has already been registered?

In website development, a domain name is one of the most crucial digital assets. It serves not only as a user access point but also as a vital identifier for the brand. However, many novice website owners often encounter a problem

This article will guide you through understanding the differences between SSL certificates and TLS.

In modern website operations, secure communication has become an indispensable part. Whether it's an e-commerce website, a blog, or a corporate website, it's essential to ensure that user data is not stolen or tampered with during transmission.

Lightweight servers vs. cloud servers: How to choose the best solution for you?

Lightweight servers typically refer to server solutions with lower physical configurations and a focus on simplified management.

Key protection strategies for domain name security

Domain names serve as a company's core identifier in the digital world, and their security is directly related to the continuity of

How to test if your website supports IPv6

During this critical period of the internet's transition from IPv4 to IPv6, ensuring your