Chapter 16   Proxy Reserved Ports


To avoid protocol spoofing by rouge/misconfigured URLs, iPlanet Web Proxy Server does not allow clients to connect on certain reserved ports.

If using an HTTP URL, the client may not configure the URL to use the following ports:

1, 7, 9, 11, 13, 15, 17, 19, 20, 21, 23, 25, 37, 42, 43, 53, 70, 77, 79, 87, 95, 101, 102, 103, 104, 109, 110, 111, 113, 115, 117, 119, 135, 143, 389, 512, 513, 514, 515, 526, 530, 531, 532,540, 556, 601, 6000

If using an FTP URL, the client may not configure the URL to use the following ports:

1, 7, 9, 11, 13, 15, 17, 19, 20, 23, 25, 37, 42, 43, 53, 70, 77, 79, 80, 87, 95, 101, 102, 103, 104, 109, 110, 111, 113, 115, 117, 119, 135, 143, 389, 512, 513, 514, 515, 526, 530, 531, 532, 540, 556, 601, 6000

The SOCKS server may not be configured to use the following ports:

1, 7, 9, 11, 13, 15, 17, 19, 20, 21,23, 25, 37, 42,43, 53, 70, 77, 79, 80, 87, 95, 101, 102, 103, 104, 109, 110, 111, 113, 115, 117, 119, 135, 143, 389, 512, 513, 514, 515, 526, 530, 531, 532, 540, 556, 601, 6000, 0

If the client attempts to connect on any of the above ports, the proxy server will deny the connection and return the following error:

"Access to the port number given has been disabled for security reasons."