* Insert LDAP, FTP, SSH, IMAP, POP, RADIUS checkers. * documentation: - hackers guide * code cleanup: - check_ssl.c audit the password_cb() call back func for buffer overflow. - check smtp.c to release allocated buffer when terminate thread is registered. Occur when sigint is receive when smtp alertes have not been able to finish the whole sending sequence. * more choice with parameters, less hardcoded values * functionality: - hooks in VRRP framework for external checktools. As state transition decision - a VTYSH to administrate keepalived on the fly