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Can't see ports 500 and 4500 from outside · Issue #342 · hwdsl2/setup-ipsec-vpn · GitHub
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socket_dynamic: IKE not listening on UDP port 500 or 4500 · strongswan strongswan · Discussion #993 · GitHub
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SEC406 IPsec And NATs: Finally In harmony? Steve Riley Product Manager Security Business Unit Microsoft Corporation. - ppt download
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Nothing listening on ports 500 or 4500 after setting up RRAS configured for IKEv2
