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TCP/UDP Port Number List

IANA Port Number List The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports. The Well Known Ports are those from 0 through 1023. DCCP Well Known ports SHOULD NOT be used without IANA registration. The registration procedure is defined in [RFC4340], Section 19.9.…

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Dual Stack Check

IPv4/IPv6 Dual Stack Test This tools checks to see if your internet connection supports both IPv4 and IPv6 connectivity. The protocol with which you connected to our server is listed first. IPv4: IPv6: If this tool behaves different than you expect please contact us and let us know. Related Articles What is Dual Stack?…

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IP Location Feedback: Accuracy & Improvement

Update Your Geolocation This page requires you to approve the usage of browser location services. This page performs a comparison of several geolocation service providers: W3C Geolocation, Quova, Maxmind, and IP2Location. The W3C Geolocation service determins location by the browser providing GPS location (if available) and signal strengths of visible WiFi annoucements. Each provider determins…

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Using a VPN is one of the best, secure ways to access the Internet and keep your data safe.

Using a Virtual Private Network (VPN) is one of the best, secure ways to access the Internet and keep your data safe. What a VPN is and how it works First, a VPN is an online service you sign up for to protect your Internet connection. Second, a VPN takes the Internet connection you’re on—whether…

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