Difference between WEP, WPA, WPA2, WPA3, WPS WiFi Security

Most of us had connected to a WiFi network with our laptop, tablet or smartphone, and to join that network we had to select a network name and supply a password. Supplying a password implies (better) security, but there are different methods and protocols that are used in wireless networks to ensure security, some being … Read more

What are FTP, SFTP, FTPS & TFTP and their differences

FTP, SFTP, FTPS and TFTP are protocols that are used to transfer files over a network. FTP FTP stands for File Transfer Protocol. This is a standard protocol that is used to transfer files between computers and servers over a network, such as the Internet. In a nutshell, FTP is the language that computers use … Read more

What is Port Forwarding

Port forwarding allows computers over the Internet to connect to a specific computer or service within a private network. It’s basically making your computer accessible over the Internet, even though you’re behind a router. For example, let’s say a friend of yours at their home wants to remotely control your computer at your home using … Read more

What is syslog

Syslog is a standardized way of producing log information. This is really popular in Linux computers or UNIX computers, while Windows does a similar thing with the Event Log. Pretty much all routers, switches, firewalls, wireless controllers, and all sorts of other devices out there can produce syslog data. As your network grows you’ll find … Read more

What is SMTP – Simple Mail Transfer Protocol

SMTP stands for a Simple Mail Transfer Protocol. Previously we did an article on POP3 and IMAP, the protocols that are used for email retrieving. SMTP is a protocol that is used for sending emails. SMTP is basically a set of commands that authenticates and directs the transfer of email. Good way to remember what … Read more

Difference between POP3 and IMAP email protocol

POP3 and IMAP email protocols are used for retrieving email from an email server. For example, if you’re using an email client, such as Microsoft Outlook, you would configure Outlook with either POP3 or IMAP to retrieve your email on a computer. You can also use these protocols on your tablet or smartphone to retrieve … Read more

What is a mainframe computer

When you hear the term “big iron”, this usually refers to mainframe computers, machines that typically live inside of large cabinets. You would think that we’re talking about a supercomputer, right? Actually, no. Mainframes are defined a little differently. Supercomputers are great at number crunching to complete extremely complex tasks like weather forecasting, medical research … Read more

Securing Your PC: How to Choose an Antivirus Software For Windows 10

Protecting your PC is something you should definitely prioritize. Fortunately, your Windows 10 PC is already partially protected with its built-in Windows Defender. Microsoft gave its pre-installed antivirus a massive upgrade in 2018, which added a sandbox mode to Windows Defender, effectively making it both an antivirus and an anti-malware software. As a result, your … Read more

Network Troubleshooting using PING, TRACERT, IPCONFIG, NSLOOKUP commands

This article is about a series of network troubleshooting tools that you can use in command prompt to troubleshoot and gather information about your network. We’re going to go over four commands: “ipconfig”, “nslookup”, “ping”, and “tracert”. ipconfig The “ipconfig” displays the current information about your network such as your your IP and MAC address, … Read more

What is a Kernel

If you work with computers, or hang around computers long enough, you might come across this term “kernel”. In this article we will see what the kernel is, why is it important and where did it come from. Thing that most people forget is all that computers are doing is following instructions, repeating one instruction … Read more