# This script was written by Yoav Goldberg <yoavg@securiteam.com># (rd: description re-phrased)## Body of a script#if(description){ script_id(10675); script_version ("$Revision: 38 $"); script_name(english:"CheckPoint Firewall-1 Telnet Authentication Detection"); script_description(english:"A Firewall-1 Client Authentication Server is running on this port.Such an element allows an intruder to attempt to log intothe remote network or to gather a list of valid user namesby a brute-force attack.Solution : if you do not use this service, disable it.Risk factor : Low"); script_summary(english:"The remote CheckPoint Firewall-1 can be accessed via a telnet interface"); script_category(ACT_GATHER_INFO); script_family(english:"Firewalls"); script_copyright(english:"This script is Copyright (C) 2001 SecuriTeam"); script_dependencies("find_service.nes"); script_require_ports(259); exit(0);}## Actual script starts here#include("telnet_func.inc");port = 259;if(get_port_state(259)){ data = get_telnet_banner(port: 259); if(data) {  if("Check Point FireWall-1 Client Authentication Server running on" >< data)  	security_warning(259); }}