self signed certificate

http://www.dataparadis.net/osp/gnu-linux-server/web-server/creating-a-secure-apache-directory-with-a-self-signed-ssl-certificate/

http://www.tc.umn.edu/~brams006/selfsign_redhat.html

http://www.tc.umn.edu/~brams006/selfsign.html

http://tldp.org/HOWTO/SSL-RedHat-HOWTO-3.html