How to fix ERR_UNSAFE_PORT error on Chrome when browsing to unsafe ports

Error 312 (net::ERR_UNSAFE_PORT): Unknown error.

Right Click on Chrome shortcut >> Properties >>Then Append --explicitly-allowed-ports=xxx to shortcut target

Example:

C:\Documents and Settings\User\Local Settings\Application Data\Google\Chrome\Application\chrome.exe –explicitly-allowed-ports=6666

 

Not all ports are supported by the web security service. The following is a list of all supported ports:

  • HTTP: 80, 81, 1025-65535
  • HTTPS: 443, 563, 8443
  • FTP: 21

 

source:

http://superuser.com/questions/188006/how-to-fix-err-unsafe-port-error-on-chrome-when-browsing-to-unsafe-ports

http://jazzy.id.au/default/2012/08/23/why_does_chrome_consider_some_ports_unsafe.html

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2 thoughts on “How to fix ERR_UNSAFE_PORT error on Chrome when browsing to unsafe ports

  1. Err unsafe port, chrome. How to fix on laptop is fine, but how to fix on my Samsung s4? Not able to enter properties for chrome shortcut here. .

  2. Pingback: Fix Chrome Error Code Err_unsafe_port Errors - Windows XP, Vista, 7, 8

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