PinPatrol

PinPatrol

This is a Firefox extension that shows in a readable format, the state of HSTS and HPKP domains stored by the browser. Firefox does not have a native way to show these domains or this functionality documented.

PinPatrol promo image
What is PinPatrol?

PinPatrol is a Firefox extension that shows the state of HSTS and HPKP domains in a human-readable format. It displays domain details such as score, date last visited, expiration date, security property, subdomain inclusion, and HPKP pins.

Merlin
Stats
Stats date:
Users: 72 ▲ 1
Rating: 4.00 (3)
Version: 0.4.1 (Last updated: 2019-01-08)
Creation date: 2016-06-20
Weekly download count: 1
Firefox on Android: No
Manifest version: 2
Permissions:
  • tabs
  • history
Size: 459.30K
Email: Click to see
URLs: Website
Risk impact: Moderate risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge
Merlin
Summary

The information provided by the table is the one stored by the browser, "translated" into a more human readable way.

  • Domain: Domain protected under HSTS or HPKP.
  • Score: This score is a Firefox value. It increases by one every different day (24 hours at least) the domain is visited.
  • Date: Last day the domain was visited. It is calculated by Firefox using the number of days since 01/01/70.
  • Expiration Date: Max-age of HSTS or HPKP, in other words, when the entry will expire.
  • SecurityPropierty: This is a Firefox value. SecurityPropertyUnset if 0, SecurityPropertySet if 1 or SecurityPropertyKnockout if 2.
  • IncludeSubdomains: Whether the HSTS or HPKP directive includes subdomains.
  • HPKP Pins: List of pins in the HPKP header.
User reviews
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Safety
Risk impact

PinPatrol may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

Risk likelihood

PinPatrol has earned a fairly good reputation and likely can be trusted.

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Screenshots