D-Link DFL-CPG310 Product Manual - Page 354
Table 70: Security Methods Fields, Phase 1, Automatic., A specific algorithm, A specific group
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Adding and Editing VPN Sites Table 70: Security Methods Fields In this field... Do this... Phase 1 Security Methods Diffie-Hellman group Select the encryption and integrity algorithm to use for IKE negotiations: • Automatic. The NetDefend firewall automatically selects the best security methods supported by the site. This is the default. • A specific algorithm Select the Diffie-Hellman group to use: • Automatic. The NetDefend firewall automatically selects a group. This is the default. • A specific group A group with more bits ensures a stronger key but lowers performance. Renegotiate every Type the interval in minutes between IKE Phase-1 key negotiations. This is the IKE Phase-1 SA lifetime. A shorter interval ensures higher security, but impacts heavily on performance. Therefore, it is recommended to keep the SA lifetime around its default value. The default value is 1440 minutes (one day). Phase 2 Security Methods Select the encryption and integrity algorithm to use for VPN traffic: • Automatic. The NetDefend firewall automatically selects the best security methods supported by the site. This is the default. • A specific algorithm 338 D-Link NetDefend firewall User Guide
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