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Privileged Access Management Software

Password Sentry

Open source PHP application that protects password-protected websites by detecting and blocking shared logins

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About Password Sentry

Password Sentry is a website password protection application written in PHP. It monitors logins and uses geographic tracking to spot and block people who share passwords. The vendor says it has protected websites since 1999.

What Password Sentry offers

  • Login tracking — geographic tracking detects and blocks password sharing.
  • Brute force protection — the AuthForm plugin blocks dictionary and brute force guessing on form-based logins.
  • Proxy and VPN blocking — a plugin detects and blocks access through proxies and VPNs.
  • Single sign-on links — the InterLinking plugin connects logins between separate websites.
  • Bandwidth monitoring — tracks and throttles each user's bandwidth use.
  • Access blocking — users can be blocked by IP address or country.

Who it works with

Website owners and webmasters who run members-only or password-protected areas. A web-based installer is provided, and installation can also be requested from the vendor's professionals.

Key facts

  • Licence: open source and free to download
  • Administration: web-based admin control panel and an API for other apps
  • Version: version 8 is the current release line

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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