Secure connectivity: • SSLVPN for secure remote access • Hardware-accelerated DES, 3DES, AES 128, AES 192, and AES 256 • Public-key-infrastructure (PKI) support • Fifty IPsec tunnels • Cisco Easy VPN Client and Server • Network Address Translation (NAT) transparency • DMVPN • Tunnel-less Group Encrypted Transport VPN • IPsec stateful failover • VRF-aware IPsec • IPsec over IPv6 • Adaptive control technology • Session Initiation Protocol (SIP) application-layer gateway • Cisco IOS Firewall: • Zone-Based Policy Firewall • VRF-aware stateful inspection routing firewall • Stateful inspection transparent firewall • Advanced application inspection and control • Secure HTTP (HTTPS), FTP, and Telnet Authentication Proxy • Dynamic and static port security • Firewall stateful failover • VRF-aware firewall • Cisco ScanSafe Connector • Cisco IOS Software black and white lists • Integrated threat control: • IPS • Control Plane Policing • Flexible Packet Matching • Network foundation protection |