Where can I find additional documentation on SSL?

Usually raw link lists are bad but in this case it would probably be useful.

SSL Documentation

http://www.openssl.org

http://developer.netscape.com/tech/security/ssl/howitworks.html

http://developer.netscape.com/docs/manuals/security/sslin/index.htm

http://home.netscape.com/eng/ssl3/ssl-toc.html

Additional SSL Applications

ftp://ftp.uni-mainz.de/pub/internet/security/ssl/

ftp://ftp.replay.com/pub/replay/linux/

http://mike.daewoo.com.pl/computer/stunnel/

http://violet.ibs.com.au/slush/