Re: [strongSwan] SeGW-initiated rekey fails - DH group unacceptable

2010-12-01 Thread Martin Willi
> If I get some time next week, I'll try and set up a separate server > and point one of the clients at it. I'll try to reproduce it on 4.5.0. If it is possible, we probably can write a patch that should work with 4.3.2, too. Regards Martin ___ Use

Re: [strongSwan] SeGW-initiated rekey fails - DH group unacceptable

2010-12-01 Thread Graham Hudspith
Martin, Thanks for the swift reply. On 1 December 2010 13:11, Martin Willi wrote: > Hi Graham, > > > selected proposal: ESP:AES_CBC_128/HMAC_SHA1_96/MODP_1024/NO_EXT_SEQ > > DH group MODP_2048 inacceptable, requesting MODP_1024 > > > The client sends back N(INVAL_KE) to the server and we then g

Re: [strongSwan] SeGW-initiated rekey fails - DH group unacceptable

2010-12-01 Thread Martin Willi
Hi Graham, > selected proposal: ESP:AES_CBC_128/HMAC_SHA1_96/MODP_1024/NO_EXT_SEQ > DH group MODP_2048 inacceptable, requesting MODP_1024 > The client sends back N(INVAL_KE) to the server and we then get into > an endless cycle of trying to renegotiate the tunnel rekey. The procedure looks corre

[strongSwan] SeGW-initiated rekey fails - DH group unacceptable

2010-12-01 Thread Graham Hudspith
Hi All, Up till recently, we have been setting up tunnels between client and server using DH Group 2 (aka MODP_1024). We are starting to transition over to DH Group 14 (aka MODP_2048) and are coming up against problems. I'm hoping someone can please shed some light ? The clients are using a hacke