Deu os seguintes resultados:
Security Assessment / Vulnerability Scan
Hackers exploit missing patches, don't miss a security patch!
Type Port Services, Programs and Trojans that are commonly found to be running on this port.
tcp 23 Telnet. Standard for remote host admin. Security Concerns of Telnet: Cleartext; re-usable passwords. - Portal for user account grinding. CERT Advisories: CA-89.03; CA-95.14. Replace with SSH on critical hosts.
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Trojans or Viruses known to use this port are: ADM worm. Fire HacKer. My Very Own trojan. RTB 666. Telnet Pro. Tiny Telnet Server - TTS. Truva Atl.
tcp 2222 Allen-Bradley unregistered port.
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Trojans or Viruses known to use this port are: Rootshell left by AMD exploit.
Fiz outros 2 testes, em nenhum o firewall passou.
Mesmo assim aqui aparece:
107 intrusions have been blocked since install
1 of those have been high-rated
Alguma coisa ele faz. ;p