Web site YouGetSignal scans your external IP address to let you know which ports are being successfully forwarded through your firewall and which ports are closed for business. Whether you've set up your own home server or gotten down and dirty with BitTorrent, chances are you've had at least one run-in with port forwarding, the process that lets computers outside your network through your firewall to access your computer. If you don't know how to set up port forwarding but would like to, check out our guide.
Troubleshoot Port Forwarding with YouGetSignal
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The maximum number of face turns needed to solve the classic Rubik's cube is 20, and the maximum number of quarter turns is 26. It took 30 years to discover these numbers, which were finally proved by Tomas Rokicki and Morley Davidson using a mixture of mathematics and computer calculation. (The puzzle does have 43 quintillion possible configurations after all.) So how did the current world-record holder SeungBeom Cho manage to solve Rubik's cube in under five seconds? (4.59 seconds to be exact.)
Facebook is a great utility if you want to stay in touch with friends and family, share photos, and see what other people are up to in their lives. It’s free, of course, but that doesn’t mean it comes without a price. If you’re using Facebook, you’re giving the company a ton of information about yourself which it is selling to advertisers in one form or another.