[Swan] IPsec communication with racoon and libreswan

Paul Wouters paul.wouters at aiven.io
Wed Nov 17 04:48:05 EET 2021

On Fri, 5 Nov 2021, Srinivasa Murthy Jonnalagadda wrote:

> We have some older RHEL systems running IPsec with racoon. We have migrated to IPsec with libreswan on
> the new systems. 
> Is it possible to have an IPsec connection ( tunnel ) between hosts implementing racoon and libreswan
Yes it is possible, but you are very constrained by the features and
bugs in racoon / ipsec-tools. But the basic tunnels should work, as
long as you configure libreswan to use IKEv1 using ikev2=no.


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