I was using this URL in the first place because of the
other bug I just reported (bug 1240538.)  This should
produce at least a 404 response, not just "Connection
closed."  (Might not be a bad idea for it to redirect
to the right thing, but that won't be important after
the other bug is fixed.)

kragen@resilient ~/pkgs/TwistedSumo-2005-05-25 $ telnet
twistedmatrix.com 80
Trying 198.49.126.190...
Connected to twistedmatrix.com.
Escape character is '^]'.
GET /bugs/issue%201109 HTTP/1.1
Host: twistedmatrix.com

Connection closed by foreign host.
kragen@resilient ~/pkgs/TwistedSumo-2005-05-25 $