Implement RAVPN Hardening Measures in Secure Firewall - Part 2
Eric Montiel from Cisco's ATTAC BPN team discusses implementing Remote Access VPN hardening measures on Cisco firewalls to mitigate vulnerabilities and reduce attack risks.
MAIN POINTS FROM TRANSCRIPT
- Tree detection features block IP addresses exceeding thresholds to prevent attacks like brute force and unauthorized VPN connections.
- Hardening measures reduce attack risks but don't fully mitigate vulnerabilities or prevent DoS attacks.
- Disabling AAA authentication and using certificate authentication can prevent brute force attacks on local databases.
- Removing group aliases and using specific URLs in connection profiles helps secure VPN connections.
TAKEAWAYS
- Implement tree detection features to automatically block suspicious IP addresses in Cisco secure firewalls.
- Upgrade firewall software to versions supporting new security features for better protection.
- Use client certificate authentication to enhance security against brute force attacks.
- Configure specific URL aliases to make VPN connection profiles harder for attackers to discover.