GRC's ShieldsUp! has been operating since fall of 1999, in case anyone else was ... | Hacker News

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		myself248 on Sept 22, 2020 \| parent \| context \| favorite \| on: Check if your IP is exposing any ports. If you see... GRC's ShieldsUp! has been operating since fall of 1999, in case anyone else was wondering.

Cyphase on Sept 22, 2020 [–]

https://www.grc.com/shieldsup

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