No subject

1. M$ IE does not allow you to open DatagramSocket connections, EVEN to
application running on the webserver the applet was downloaded from. I don;t
think that M$ will ever fix this bug. 
2. NSN will throw a socket exception while reading from a datagramsocket.
you can recover from it by catching the exception and reading from the
socket once again.

How browser will load certificates:

IE will detect the signed cab file( by looking at the .inf or .osd file
present inside the .cab file) , so will Netscape( by looking at the manifest
file in the .jar file). 

Here are few of my bookmarks:
------------------------------------
Downloading code from the Web:
http://www.microsoft.com/workshop/components/downcode.asp

How to make code trusted..
http://support.microsoft.com/support/kb/articles/Q193/8/77.asp

FAQ about CAB files:
http://support.microsoft.com/support/kb/articles/q168/9/41.asp?FR=0

ActiveX SDK for Code Signing:
http://www.microsoft.com/gallery/tools/ActiveXSDK/axsdk.asp

Verisign's Guide for code signing( IE only):
http://www.verisign.com/library/guide/developer/authenticode/index.html

Process of signing code with authenticode:
http://www.microsoft.com/workshop/security/authcode/signing.asp

Why applet which is signed with authenticode throws a security exception:
http://support.microsoft.com/support/kb/articles/q177/1/78.asp?FR=0 
Regarding this: make sure that you execute the code that performs the
trusted operation on a seperate thread and not on applets main thread.

Also avoid installing java classes on the client pc, especially if you are
using third party classes. This is my experience.

HTH,
Pramendra


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