Way 1:
Edit the default SSO login page available at the following location,
$ORACLE_HOME/j2ee/OC4J_SECURITY/applications/sso/web/login.jsp
Way 2:
To install your own login and change password pages, provide the following parameters in $ORACLE_HOME/sso/conf/policy.properties
#Custom login page link
loginPageUrl=login_page_URL
#Custom change password page link
chgPasswordPageUrl=change_password_page_URL
