When you connect two or more computer systems to a local network you need to make sure to assign unique local IP addresses to all computer systems to avoid conflicts. Conflicts may happen for a number of reasons, from assigning the same IP address manually to DHCP server issues. Conflicts may cause connectivity and functionality [...]

Categories: Software, Windows

I have received two emails in the past week from users who asked me for an easy way of finding their computer’s IP address. Instead of replying to each user individually I made the decision to write it up here on Ghacks so that other users who were wondering about the same thing could benefit [...]

Categories: Tutorials Basic, Windows

Millions of emails fly through cyberspace daily, and as is the case for many users, it can be useful to identify the location that the e-mail originated from. Persistent spam and malware attachments abound. Sometimes it is best to say, “I have had enough!” Particularly for e-mails that include malware, this is important. By reporting [...]

Categories: Email, Tutorials Basic

The IP (Internet Protocol, see The IP: The housenumber of your Computer for more information) address is a unique device identifier. Every website on the Internet has an IP address associated with it, as does every computer that is used to connect to the Internet. Computer users rarely come in contact with IP addresses, unless [...]

Categories: Software, Windows

Right now, most of the world is using IPv4 (Internet Protocol version 4). The problem is that it does not allow for enough addresses. The world is just too big of a place. Enter IPv6. It provides vastly more addresses (2^128) and is the future of the web. Most users will not notice a difference, [...]

Categories: The Web, Tutorials Basic

This article is the second in a series of the basics of network troubleshooting. Last time, the ping command was demonstrated. Now the ipconfig command will be covered (the Linux/Mac ifconfig & route commands will be touched on too). While this is a basic tutorial, there are some advanced tips and topics included. The Ipconfig [...]

Categories: Linux, Mac, troubleshooting, Tutorials Basic, Windows

Everyone knows the risks of working on an open Wi-Fi connection. Everything can be stolen from your security to your bandwidth. But the courts in the US have been historically unaware of the implications of an open Wi Fi connection. Finally, though, there appears to be one judge that understands that an IP connection does [...]

Categories: P2p, The Web

You may have seen an increasing number of articles about IPv6 in the past year. IPv6 is an Internet Protocol that has been designed as the successor of the currently used IPv4 protocol. IPv4 has been in use since the 80s and it is quickly coming to its limits. The main problem with it is [...]

Categories: The Web, troubleshooting

One of the easiest ways of checking whether a host is responding or not is to send a ping to the host name or IP address. It is possible to ping local and remote servers, and it usually takes less than a second to get a response. A ping is therefor a first step in [...]

Categories: Software, Windows