Dear StrongSwan Team, are you aware of any limit on the number of IKEv2 IKE and ESP proposals that StrongSwan v5.4.0 can support? In our tests we found that there is a cut-off at around 220 proposals, independent of what algorithms are used. Testing with v5.0.3 we were able to use up to 10000 proposals. Best Regards, James Hulka