XELIOS Personal Firewall - Version 2.02 Permanent Internet connexions are now a reality through ADSL, cable, enterprise LANs but also dial-up connections. Your permanent Internet connection can be scanned permanently from the outside. It requires a protection against Internet hackers. XELIOS Personal Firewall provides a permanent and highly secured protection against Internet hackers attacks. XELIOS Personal Firewall protects you against the programs like "trojan horse" that try to transmit your personal data to the outside without your agreement.