[Swan] one way ping

[John Crisp]

On 31/08/18 01:18, Paul Wouters wrote:
> If there is no NAT you need to open protocol 50 ESP (not port, protocol)
> 

Thanks Paul

OK...... I know I have that open on the server firewall but can't
remember seeing an option on the cloud providers one.

Is that because the negotiation is over 500/4500 but the data itself
flows on protocol 50 ?

Just curious :-)

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