FAQ-1197 Why do I get multiple invalid certificate warnings even though I acknowledged the first one?


FAQ-1197 Why do I get multiple invalid certificate warnings even though I acknowledged the first one?

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Classification:	C++	Category:	Networking
Created:	12/17/2004	Modified:	01/17/2005
Number:	FAQ-1197
Platform:	Symbian OS v7.0, Symbian OS v7.0s, Symbian OS v8.0, Symbian OS v8.0a, Symbian OS v8.0b, Symbian OS v8.1a, Symbian OS v8.1b

Question:
My code opens multiple SSL/TLS socket connections. When I connect to an invalid site, it pops up a dialog (as expected). However, even though I acknowledge the dialog, I still get a warning for all the other sockets. Surely the acknowledgement should be cached?

Answer:
The certificate acknowledgement information should be, and is, cached. Unfortunately, at the point that you acknowledge the certificate warning dialog, the other sockets have gone past the point where they check the cache to determine whether the site can be trusted. Therefore each socket pops up its own certificate warning dialog.

If you are opening multiple sockets to a SSL/TLS site, you need to confirm that the first has connected successully before connecting the other sockets.