LAN port scan forbidder
What is LAN port scan forbidder?
Extension stats
- webRequest
- webRequestBlocking
- *://*/*
- ws://*/*
- wss://*/*
- ftp://*/*
- contextMenus
- storage
Ranking
Other platforms
Extension summary
Forbid untrusted web to scan localhost or LAN.
Source Code Repo
https://github.com/garywill/LAN-port-scan-forbidder
What
Webs can try to fetch 127.0.0.1:xxxx or 192.168.Y.Z:xxxx to scan your open ports in LAN.
Although browsers have cross-domain protections, webs can't read response contents, but can still see the connection succeeds or fails.
There're already reports that some websites using that as tracking fingerprint.
See moreA web for testing: http://samy.pl/webscan/
Extension safety
Risk impact
LAN port scan forbidder requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
LAN port scan forbidder is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.
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