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How to change the ports Steel-Belted Radius (SBR) uses for authentication and accounting



Article ID: KB17474 KB Last Updated: 05 Mar 2017Version: 2.0
You can change the ports SBR uses for authentication and accounting. This is done by editing the [Ports] section in the radius.ini file
How to change the ports Steel-Belted Radius (SBR) uses for authentication and accounting.
Change the UDPAuthPort and UDPAcctPort values if you want SBR to operate on non-standard ports. The default values are 1645 and 1812 for authentication and 1646 and 1813 for accounting.  In the following example SBR is using ports 5000 and 5001 for authentication and ports 5002 and 5003 for accounting.
UDPAuthPort = 5000
UDPAuthPort = 5001
UDPAcctPort = 5002
UDPAcctPort = 5003

You can configure up to 64 ports on Windows and 4096 ports on Solaris or Linux.  If this limit is exceeded, RADIUS authentication or accounting fails.
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