service telnet
{
        disable         = no
        flags           = REUSE
        socket_type     = stream
        wait            = no
        user            = root
        server          = /usr/sbin/in.telnetd
        server_args     = -h -L /usr/local/bin/custom_login
        log_on_failure  += USERID
        log_type        = FILE /var/log/xiao_telnet.log
}