not working behind a proxy, after hitting the save button it says:

------------------------------------------------------------
The page cannot be displayed

There is a problem with the page you are trying to reach and it cannot be
displayed. 
-------------------------
Please try the following: 
* Click the Refresh button, or try again later.
* Open the home page, and then look for links to the information you want. 
* If you typed the page address in the Address bar, make sure that it is
spelled correctly.
* Verify that the Internet access policy on your network allows you to view
this this page.
* If you believe you should be able to view this directory or page, please
contact the Web site administrator by using the e-mail address or phone
number listed on the Homepage(); home page. 


HTTP 502 Proxy Error - The Uniform Resource Locator (URL) does not use a
recognized protocol. Either the protocol is not supported or the request was
not typed correctly. Confirm that a valid protocol is in use (for example,
HTTP for a Web request). (12006)
Internet Security and Acceleration Server

-------------------------
Technical Information (for support personnel) 
* Background:
The gateway could not retrieve the requested page.

* ISA Server: proxy3
Via: 

Time: 6/24/2003 4:08:28 PM GMT 

------------------------------------------------------------


--
VM: Win32 - Squeak3.5 of '11 April 2003' [latest update: #5180]
Image: Squeak3.6alpha [latest update: #5278]
--