Re: [IPsec] Question on RFC 5723 Session Resumption

2020-09-02 Thread Paul Wouters
On Tue, 1 Sep 2020, Tero Kivinen wrote: If server configuration is changed to require AES-GCM instead of 3DES then I think all active tickets needs to be invalidated to make sure they do not work. Easiest way is to change the ticket encrypting key. Yes, this is why we (libreswan) add the conec

Re: [IPsec] Question on RFC 5723 Session Resumption

2020-09-02 Thread Paul Wouters
On Mon, 31 Aug 2020, Benjamin Kaduk wrote: On Mon, 31 Aug 2020, Tero Kivinen wrote: That should not matter, the server should not invalidate tickets even if there is liveness failures, as if it does that every time there is transient network failure the resumption is useless. I agree, but th