An A or Address record is used for pointing a domain or subdomain to an IP address (IPv4). An A record can be used for finding the IP address of the computer that is connected over the Internet from a name. What are A records? An A record is going to map a fully qualified […]
When your browse something your web browser, a cache of the websites you visit is saved by the browser in order to load the subsequent visits quickly. Similarly, Linux too keeps a system cache – apt-cache, application cache, etc. – so subsequent loading of the application will be very fast. Cache is a good concept […]
An open-source database management system, MariaDB is commonly installed as part of the popular LEMP (Linux, Nginx, MySQL/MariaDB, PHP/Python/Perl) stack. The data is managed by MariaDB by using a relational database and SQL (Structured Query Language). It acts as a fork of MySQL that is managed by the original MySQL developers. Since it’s designed as […]
When migrating a website from a previous provider, it is important to test out the site while in development to ensure a smooth transition. If a website is incorrectly migrated, you can run the risk of losing not only functionality but also traffic and search visibility. Common issues that can persist following the move of […]
Email spamming is an ever present issue that can cost you or your business time and money. It is surprisingly easy for email addresses and computers to be hijacked for spamming purposes. Here are steps you can take to increase security and ensure you stay off the blacklist. Make sure your computer is free of […]
You might be getting for software updates several times. Though knowing it’s important, you might be ignoring it always. Surely there are reasons behind ignorance – “Sending an email to the client is important right now”; “It’s my presentation day today so I need to finish the presentation”; “What if something breaks?” But, when something goes […]
Whenever you type a website address into your browser, the address (say for example the web address: (www.domainnamehere.com) is translated into a set of numbers, known as an “IP address” (the IP stands for internet protocol). So whenever you type a domain name into your browser your computer is actually directed to the IP address […]
When browsing the internet you may have gotten the occasional popup informing you that the site you want to browse has a security certificate that is not trustworthy; other variants may include: “the security certificate presented by this site is not trusted” or “the security certificate used by this site was not issued by a […]
Most internet applications run on the basis of DNS then it may be emails, website browsing, messengers, etc. But very few detect the presence of this extensively used service. And this is the reason why the vulnerabilities in DNS service are ignored by server administrators resulting in easy exploitation by hackers. Usually, securing a server […]
You might sometimes need to block a specific IP address from accessing your server for several reasons. Follow the simple instructions below which include creating an IPSec Security Policy specifying to block access to specific IP address – Step 1 – Hover your mouse to Start Menu and click on Run. Step 2 – Type […]