Computer, Shields up! Shields Up is an online port scanning service created by Steve Gibson of Gibson Research Corporation and hosted at grc.com.

Computer, Shields up! Shields Up is an online port scanning service created by Steve Gibson of Gibson Research Corporation and hosted at grc.com.  - Computer, Shields up! Shields Up is an online port scanning service created by Steve Gibson of Gibson Research Corporation and hosted at grc.com.   good captain picard

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