[strongSwan] Multiple Win10 roadwarrior clients on the same NATted network

[Lorenzo Milesi]

Hi.
I remember about the inability to have more than one IPSec roadwarrior client on the same NATted network. I've been searching for hours but couldn't find if this is "still" a thing.
The more explicit and recent article on the subject I found is this[1], which basically lowers the security of the VPN client, but should allow multiple clients in the same network to connect. I cannot make tests at the moment, I'm just investigating on possible solution, so I was wondering if someone knows more in detail how it works.

Thanks.

P.S. I have a network with a stable tunnel from a firewall to StrongSwan, I connected a Win10 client inside this network to the VPN and they both appeared to work fine (except for a quick reconnect of the firewall tunnel). But they're two different tunnels, the client was on the roadwarrior one while the firewall has a dedicated one.


[1] http://woshub.com/l2tp-ipsec-vpn-server-behind/
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Lorenzo Milesi - lorenzo.milesi at yetopen.com 
CTO @ YetOpen Srl

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