IPv6 Port Scanner | IPv6 Firewall Tester

Welcome to IPscan, an open source IPv6 port scanner, or firewall tester, which checks multiple, user-selectable TCP, UDP and ICMPv6 services. IPscan offers much of the functionality you might hope to find in an IPv6 version of GRC's ShieldsUP® utility. So far over 112394 IPv6 hosts, and of the order of 8317150 TCP/UDP ports, have been tested.

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About to assess your host's connection to this webserver:

• ✔No HTTP PROXY detected.
• ❌The request for this page was made using an IPv4 address and so your machine cannot be tested : 3.239.40.250. Your machine may have accessed this page using IPv4 if your DNS configuration is broken or your browser or DNS service does not correctly prioritise IPv6. If you believe that you do have an IPv6 host with a global unicast address (2000::/3) then you may click on this alternative address link to try again. If you need further debug assistance then please see my IPv6 debug suggestions.

Please return when you have a valid IPv6 address to test. If you believe this result to be in error, OR you would like to test a proxy host, then please email me.

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Please visit the IPscan wiki for further background information, details of the privacy policy and IPv6 debug suggestions. All other registered trademarks are the property of their respective owners.