ZyXEL Communications 2WG - Manual (Page 154)

ZyWALL 2WG Support Notes
All contents copyright (c) 2006 ZyXEL Communications Corporation.
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7. Select Negotiation Mode to Main mode, Encryption Algorithm to DES, Authentication
Algorithm to MD5, Key Group to DH1, and then press Apply button on this page.
8. After you press the Apply button, you will see an IKE rule on this page, press L/R button to edit
your
9. Check Active check box and give a name to this policy.