Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Ken Nelson
The make-before-break re-authentication feature is good news. Very interested in trying it out - it there an expected date for the 5.3.0 release? > On Mar 12, 2015, at 9:32 AM, Martin Willi wrote: > > Hi Tom, > >> Is there a reason that, when using two Strongswan endpoints, one would >> no

Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Tom Rymes
On 03/12/2015 11:32 AM, Martin Willi wrote: Is there a reason that, when using two Strongswan endpoints, one would not choose reauth=no? Yes. Reauthentication re-evaluates authentication credentials, checks the certificate status or rechecks permissions in the AAA backend. IKE_SA rekeying, as

Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Martin Willi
Hi Tom, > Is there a reason that, when using two Strongswan endpoints, one would > not choose reauth=no? Yes. Reauthentication re-evaluates authentication credentials, checks the certificate status or rechecks permissions in the AAA backend. IKE_SA rekeying, as used with reauth=no, only refreshe

Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Noel Kuntze
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Hello Tom, As the default value for the setting is "yes", a strongSwan endpoint that has it set to "no" would have it because somebody set it to that value, so an operator had done that. And yes, "reauth=no" leads to basicly no traffic interrupti

Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Tom Rymes
On 03/12/2015 11:16 AM, Noel Kuntze wrote: Hello Ken, It is dependent on the IKE version. Quote from the man page: reauth = yes | no whether rekeying of an IKE_SA should also reauthenticate the peer. In IKEv1, reauthentication is always done. In IK

Re: [strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Noel Kuntze
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Hello Ken, It is dependent on the IKE version. Quote from the man page: reauth = yes | no whether rekeying of an IKE_SA should also reauthenticate the peer. In IKEv1, reauthentication is always done. In I

[strongSwan] Loss of tunnel service while reauthenticating IKE_SA?

2015-03-12 Thread Ken Nelson
VPN client & server running StrongSwan v5.2.2. Both OSes Centos 6.6. An IKEv2 IPsec tunnel has been up for a couple days with the client initiating a ping, once per minute, of the same host behind the VPN gateway. This is the only application level traffic on the tunnel. Roughly every two hou