Diffie Hellman Group support

Cyril · August 2018

Hi Zyxel team,

I have a Zywall 110 with FW 4.32 and i try to configure IPSEC VPN with PFS Diffie Hellman Group of 15 but zyxel only support 1,2,5 and 14. (i must to use DH15)

Could you help me ?

Zyxel_Stanley · August 2018

Hi @Cyril
The DH group 15 is not support yet.
So I would like to add this topic to idea.

Plats · October 2018

I got a reply from Maurice

that they are working on higher DH groups (however they have not specified what groups.

"higher Diffie Hellman Groups will be implemented in an upcoming firmware update, this was confirmed by our development." - 10. sep.

Zyxel_Vic · November 2018

Hi @Cyril
Higher DH groups is already in our roadmap in 2019.

Alfonso · November 2018

Is there any estimated date to be delivered?

Zyxel_Vic · November 2018

@Alfonso
The schedule is not firmed yet. But we do have the plan to improve this part.

Alfonso · November 2018

It sounds great @Zyxel_Vic. Thanks for your answer.

Zyxel_Joshua · October 2019

ZLD 4.35 is released.
Now the IPSec DH group support up to 18.

Rene_Sidler · July 2020

Is support for DH21 or DH30 also on the roadmap? For example on ATP500

Diffie Hellman Group support

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