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Why no inbound traffic on an IPsec site-to-site VPN using pre-shared key between SOPHOS to Sonicwall

Charles Ross

Hello,

 

We have an IPSec site-to-site VPN which is Active and Connected but we're not getting any inbound traffic, we can't ping from the Remote to any Local IP's but it works the other way around.

Tried a bunch of different combinations of Policy settings, most do not connect and none allow us to receive inbound traffic. Searched the forums, made sure everything is setup correctly to the best of our knowledge, proper firewall rules are set.

Any help would be greatly appreciated,

Thanks in advance.

 

Local Firewall is a SOPHOS XG 105 and Remote is a Sonicwall TZ 400

Policy settings:

Firewall Rules:



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  • 0

    This may be usefull

     

    one side of the tunnel should be in “Respond Only” mode and the other side should be in “Initiate the Connection”

    Dead Peer Detection one side of the tunnel has the DPD set to “Disconnect” and the other side needs to be set to “Re-Initiate”. 

     

    Double check the firewall policies on the non-Sophos end

Reply
  • 0

    This may be usefull

     

    one side of the tunnel should be in “Respond Only” mode and the other side should be in “Initiate the Connection”

    Dead Peer Detection one side of the tunnel has the DPD set to “Disconnect” and the other side needs to be set to “Re-Initiate”. 

     

    Double check the firewall policies on the non-Sophos end

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