How many ports does EZproxy use with Proxy by hostname?

Find out how many ports EZproxy uses for proxy by hostname.

To avoid the arbitrary number of ports required for proxy by port, EZproxy can operate using the recommended proxy by hostname configuration. In proxy by hostname, EZproxy uses one to three pre-identified ports for all processing:

Using the example above, EZproxy will use rewritten URLs using the hostnames in config.txt and would represent the URLS above as follows: