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Tag Archives: ip address

July, 2010

  • 6 July

    How to Connect via FTP

    FTP iconFTP stands for File Transfer Protocol and is the most widely accepted method for uploading files to a web server. All web hosting companies offer FTP service, but there may be slight differences in how you connect to them. To begin, you will need an FTP client, such as …

June, 2010

  • 18 June

    Only 6% of IPv4 addresses left

    In January, roughly 10% of IPv4 addresses remained unallocated. Just a few months later in June, new information from ARIN shows that number has shrunk to 6.25%. The Internet is set to run out of IP addresses by 2011. A mass-switch to IPv6 would solve this problem, but so far …

  • 18 June

    Server Attacked? Fight Back

    Tehtri Security research Laurent Oudot has determined that most people who attack servers get their hacking software from freely available malware kits on the Web, rather than creating their own custom scripts. These kits often contain poorly written code that can itself be exploited. What does all of that mean …

April, 2010

  • 21 April

    Is IP cybersquatting a real threat?

    In light of the upcoming IPv4 shortage, ARIN President John Curran is concerned that so-called “IP cybersquatting” could emerge where companies could sell their unused addresses on the black market for profit: We’re going to see a similar circumstance [to domain name cyber squatting] to some extent. Certainly there will …

  • 5 April

    The forgotten tale of IPv5

    With everyone talking about the pressing need to switch from IPv4 to IPv6, few people ask what should be an obvious question: what about IPv5? Thankfully, Raffi Krikorian over at O’Reilly’s OnLamp.com has the answer. The story of IPv5 dates all the way back to 1979, when a group of …

March, 2010

  • 24 March

    How to redirect a specific IP address

    Question: How do I redirect every visitor to my website except for me? Answer: There are two methods you can use to accompany the results you want and both involve using an .htaccess file. The first is to redirect your site’s visitors with standard Apache directives: ErrorDocument 403 http://www.yourdomain.com Order …

  • 22 March

    How do I block clusters of IP addresses?

    Question: How do I block clusters of IP addresses? Answer: Although we previously illustrated a method of blocking single IP addresses using an .htaccess file, it is important to know a few things. 1. Many hackers use proxies and other methods to use fake IP addresses. Blocking the one they …

  • 11 March

    The nsupdate for dynamic DNS

    Computer users with dynamic IP addresses often have to contend with the reality that their internet identity can literally change without warning. For average Internet use, this is not a problem, but if you ever need to host something from home (even a private server that only gives you password …

February, 2010

  • 3 February

    What's my IP address?

    When you connect to the Internet, your ISP assigns you an IP address. This unique number tells servers where to deliver content and identifies you to websites. While you can use computer-side commands to display your IP, the easiest way to find out your IP address is to use a …

January, 2010

  • 29 January


    If you’ve ever performed any administrative networking commands on your computer (such as traceroute), you may have noticed the IP You’re not the only one to wonder what this address is used for. In fact, it is used by millions of devices around the world. So just what is …