How do I close a persistent connection?

[J. Zobel]

Hi.

We are experiencing infrequent troubles (page could not be displayed)
with IE 5 and redirects under SSL. As a workaround (hopefully) I want to
close the persistent HTTP/1.1 connection if such a redirect occurs. 

How do I do this. Sending a Connection:close header will tell the client
that I will close the connection, but how do I actually do this?

Thanx,
Joachim