ZyXEL Communications ZyWall 35 Support Notes page 163

5. Click Proposals tab, on IKE(Phase1) proposal settings, select Main mode, DH Group to Group1,
Encryption to DES and Authentication to MD5. On IPsec(Phase2) proposal settings, select ESP
Protocol, Encryption to DES and Authentication to SHA1. Then, press OK button on this page.
6. When you finished doing your settings, you will see the following page.
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ZyWALL 35 Support Notes
163