Web browsers

Source	Destination	Protocols	Ports	Description
Web browser (HTML5) and Let's Encrypt service	RAS Web Admin Service [RAS Management Portal]	TCP	20443	Admin access to HTML5 based Management Portal of RAS environment
	HALB	TCP	80, 443	End-user access to Parallels RAS Web Client (on Secure Gateway in Normal mode) through the HALB Note: Ports 80 and 443 must be open for incoming requests when using Let's Encrypt.
	RAS Secure Gateway	TCP	80, 443	End-user access to Parallels RAS Web Client (on Secure Gateway in Normal mode) Note: Ports 80 and 443 must be open for incoming requests when using Let's Encrypt.

Note: Ports 80 and 443 must be open for incoming requests when using Let's Encrypt.