ZyXEL P-202H User Guide - Page 118
My IP Address, Secure Gateway IP Address
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P-202H Plus v2 User's Guide . Table 32 AH and ESP Encryption Authentication ESP AH DES (default) Data Encryption Standard (DES) is a widely used method of data encryption using a secret key. DES applies a 56-bit key to each 64-bit block of data. 3DES Triple DES (3DES) is a variant of DES, which iterates three times with three separate keys (3 x 56 = 168 bits), effectively doubling the strength of DES. Select NULL to set up a phase 2 tunnel without encryption. MD5 (default) MD5 (Message Digest 5) produces a 128-bit digest to authenticate packet data. MD5 (default) MD5 (Message Digest 5) produces a 128-bit digest to authenticate packet data. SHA1 SHA1 (Secure Hash Algorithm) produces a 160-bit digest to authenticate packet data. SHA1 SHA1 (Secure Hash Algorithm) produces a 160-bit digest to authenticate packet data. Select MD5 for minimal security and SHA-1 for maximum security. 11.3 My IP Address My IP Address is the WAN IP address of the ZyXEL Device. If this field is configured as 0.0.0.0, then the ZyXEL Device will use the current ZyXEL Device WAN IP address (static or dynamic) to set up the VPN tunnel. The ZyXEL Device has to rebuild the VPN tunnel if the My IP Address changes after setup. 11.4 Secure Gateway IP Address Secure Gateway IP Address is the WAN IP address or domain name of the remote IPSec router (secure gateway). If the remote secure gateway has a static WAN IP address, enter it in the Secure Gateway IP Address field. You may alternatively enter the remote secure gateway's domain name (if it has one) in the Secure Gateway IP Address field. 117 Chapter 11 VPN Screens