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Which ports are considered unsafe by Chrome?

Fresh6 days ago
Mar 15, 2026137839 views
Confidence Score1%
1%

Problem

Some ports generate an error ( ) when browsing to them via Chrome (see this related question). Which ports are considered safe, and which are unsafe by default?

Error Output

ERR_UNSAFE_PORT

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1 Fix

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Fix for: Which ports are considered unsafe by Chrome?

Low Risk

The following is a list of all of the restricted ports on Chrome: Source: Chrome source.

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