Port Authority
Blocks websites from using javascript to port scan your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
Port Authority - Block Invasive Web Tracking
"Port Authority" is a Firefox add-on that prevents websites from performing JavaScript port scans on your computer and dynamically blocks invasive scripts from LexisNexis. As an open-source solution, it provides robust privacy by preventing unauthorized data collection and tracking. With features like alert notifications, optional whitelisting, and easy auditability through concise code, it empowers users to safeguard their online presence.
Add-on stats
Weekly download count: 43
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- webRequest
- webRequestBlocking
- storage
- unlimitedStorage
- tabs
- notifications
- dns
- <all_urls>
Size: 173.81K
URLs: Website
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
Code This addon is free and open-source software (FOSS) all code can be found here: https://github.com/ACK-J/Port_Authority Please report your bugs or feature requests in a GitHub issue instead of in a review.
Blog Post (Currently Down) https://www.g666gle.me/Port-Authority/
Test if it works! (Currently Down) https://www.g666gle.me/PortScan.html
What does this addon do?
- Blocks all possible types of port scanning (HTTP/HTTPS/WS/WSS/FTP/FTPS)
- Dynamically blocks the ThreatMetrix tracking scripts made by one of the largest and least ethical data brokers IMO (Lexis Nexis)
- Easily auditable, with the core functionality being about 250 lines of commented code. HERE
- Gives an optional notification when one of the above scenarios are blocked
- Provides an optional whitelist to prevent portscans and tracking scripts from being blocked on trusted domains
- This addon doesn't store/transmit any data or metadata about you or your requests... because ya know privacy
- Monero Address: 89jYJvX3CaFNv1T6mhg69wK5dMQJSF3aG2AYRNU1ZSo6WbccGtJN7TNMAf39vrmKNR6zXUKxJVABggR4a8cZDGST11Q4yS8
- Explanation of the regex used to determine local addresses: See more
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Works well at preventing port scanning
- Positive feedback on functionality and effectiveness
- Good for privacy and security
Cons
- Lack of a whitelisting option for certain websites
- Notifications cannot be disabled persistently
- Issues with compatibility causing browser problems
Most mentioned
- Need for persistent settings
- Request for whitelisting features
- Notifications re-enable after browser restart
User reviews
by 行走的西瓜皮, 2024-12-31
Brilliant and enlightening little project. Foolish that people take stars away for not fulfilling their specific use cases. Don't ding it, just leave your gripes in the comments. This deserves five stars.
by Erector Set, 2024-11-29
by al3ph, 2024-11-13
Add-on safety
Risk impact
Port Authority requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
Port Authority has earned a fairly good reputation and likely can be trusted.
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