Posts Tagged ‘IP address’

Find Out if Your VPN Leaks Your IP Address

Tuesday, November 29th, 2016

There are a number of different services that can be used to check for IP information that is being leaked via your VPN. Here’s a quick look at one of them …

Virtual Private Networks (VPNs) are used for a variety of purposes. Common reasons include protecting one’s privacy on the Internet, improving the security of the Internet connection, bypassing censorships and blocks, and using it for business purposes. If you use a VPN for privacy, regardless of whether that is your main reason for using it or just a nice addition, you may want to make sure that your “real” IP address is not leaked when you are connected to the VPN.


How to Check the Security of Proxy Servers

Thursday, June 25th, 2015

There are very few things in life that are truly free, and when it comes to free proxy services, it’s a good idea to know just what that “free” services actually costs you.

A recent study of 443 free proxy servers by Austrian security researcher Christian Haschek ended with the conclusion that free is not necessarily a good thing, at least when it comes to the majority of proxy servers analyzed in the study. Web proxies come in different flavors but the two groups that you will encounter the most are proxies that you use on web pages and proxies that you add to your browser directly.


Who on the Internet can See your IP Address, and What can They do with it?

Wednesday, November 5th, 2014

This is all pretty basic information, but it doesn’t hurt to review every once in a while …

Browsing the Internet is very similar to driving around with a car privacy wise. People see the license plate of the car which some can use to look up information about the owner of the car. The IP address of a device works in a similar fashion, albeit not that much in the open. Whenever programs such as web browsers connect to websites, one or multiple server connections are established by it in the background.


How to Find Out if Your Email Provider Leaks Your IP Address to Recipients

Friday, November 15th, 2013

Here’s a brief-yet-handy guide for those who are interested in seeing exactly what information is shared with their email recipients …

Sending an email to someone can reveal more information about you than you may want to reveal. Whenever you send an email to someone, so-called header information are send along. These header information, much like the headers that are added to connections in your web browser, may reveal information about the PC and connection to the recipient. Among the information can be the IP address of the computer the email was composed on. The IP address can be traced back to the account owner of the Internet connection at the date and time it was used to send the email address.


Find Out What Websites Know About You

Monday, June 18th, 2012

Here’s an interesting tool for those of us who are concerned about privacy …

Every time you connect to a server on the Internet, you automatically submit information to the server that may be used to for a variety of purposes. From creating a unique identifier and other tracking related activities, to malicious uses. The majority of websites are ignoring most of the information that are submitted automatically when the connection is established, others may use technical information like the screen resolution or web browser used to optimize contents for each connecting user.


Skype Reveals Remote and Local IP Address of All Online Users

Monday, April 30th, 2012

Apparently, when using Skype, one’s IP address isn’t as private as one might assume that it would be …

If you are a user of the messaging software Skype, you know that you can see the location of your contacts in the Skype interface. What you probably do not know is that there is currently a way to display a Skype user’s remote and local IP address as well.


IPv6 World Launch 6 June 2012

Wednesday, January 18th, 2012

Ready or not, here comes IPv6 …

Remember last year’s IPv6 day ? No? Last year’s test day was designed to see how well and effective the new technology works when it is enabled on core Internet sites and services. Back then major Internet service providers, websites and companies enabled IPv6 on their servers for a one day trial of the new technology.


Check for Used Local IP Addresses to Avoid Network Conflicts

Tuesday, January 3rd, 2012

I’m always a little bit leery of freeware, but this sounds like a useful resource for those who manage small networks …

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 issues on affected computer systems.


Track any Email to its Original Location by Finding the Email IP Address

Tuesday, July 26th, 2011

Here’s a handy, concise guide to tracking the source of bothersome emails …

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 these locations, you spare others from having to deal with malicious programs or domains. Let these users know that you know where they are and don’t hesitate to report malicious software spammers to the appropriate authorities.


An Introduction to IPv6

Monday, June 6th, 2011

Get ready; here come’s IPv6 …

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, but networking personnel will (you can test your IPv6 connectivity here)