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Can anyone Help with this one.

I have looked online for somre info but
it seams that everything I have tried did not
work.  

Why "esp" is not forwarded?

Any suggestions would be appreciated.

Greg


> -----Original Message-----
> From: Greg [mailto:codewolf@earthlink.net]
> Sent: Saturday, July 28, 2001 4:55 PM
> To: misc@openbsd.org
> Subject: Fw: OpenBSD + IPNAT + VPN - HELP!....
> 
> 
> Hi everyone....
> 
> I am trying to setup VPN connection from Windows (Nortel 
> Client) through
> OpenBSD (NAT/IPF) to Nortel.
> 
> It seems that I get the ISAKMP to negotiate just fine but
> when it comes to the tunnel it is a differnt story:
> 
> This is my setup:
> 
> | WIN  Client |-----------|Open  BSD |-----------| Nortel |
> 
> 
> xl0 - external
> xl1 - internal
> x.x.x.x - Nortel
> y.y.y.y  - ip on xl0
> z.z.z.z - ip on host with the client
> k.k.k.k - ip on xl1 - gateway
> ipf.rules
> =========
> # for esp protocol   -  I have not specify the protocol since 
> I allow all
> from this specific host
> pass in quick on xl0 from x.x.x.x/32 to y.y.y.y/32
> pass out quick on xl0 from y.y.y.y/32 to x.x.x.x/32
> pass in quick on xl1 from any to x.x.x.x/32
> pass out quick on xl1 from x.x.x.x/32 to any
> 
> #---------------------      UDP ISAKMP KEY
> OTIATION    ----------------------
> pass in quick on xl1 proto udp from z.z.z.z port = 500 to 
> x.x.x.x/32 port =
> 500 keep state
> 
> ipnat.rules
> ===========
> bimap xl0 y.y.y.y/32 -> x.x.x.x/32
> 
> External Interface TCPDUMP
> 07:43:27.549341 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 exchange INFO
> cookie: 706c21ba7b23ffee->bc913c8656d13c01 msgid: 00000000 len: 40
> 07:43:27.550407 y.y.y.y.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->0000000000000000 msgid: 00000000 len: 324
> 07:43:27.705309 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 exchange INFO
> cookie: 706c21ba7b23ffee->285de1c413970480 msgid: 00000000 len: 40
> 07:43:27.738159 y.y.y.y.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->0000000000000000 msgid: 00000000 len: 284
> 07:43:28.193897 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: 00000000 len: 232
> 07:43:28.229533 y.y.y.y.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: 00000000 len: 52
> 07:43:28.452708 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 
> exchange unknown
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: bf12bff5 len: 124
> 07:43:28.453900 y.y.y.y.500 > x.x.x.x.500: isakmp v1.0 
> exchange unknown
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: bf12bff5 len: 76
> 07:43:28.583195 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 580
> 07:43:28.648425 y.y.y.y.500 > x.x.x.x.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 292
> 07:43:28.756717 x.x.x.x.500 > y.y.y.y.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 52
> 
> 
> INTERNAL INTERFACE TCPDUMP
> 07:43:27.463431 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->0000000000000000 msgid: 00000000 len: 316
> 07:43:27.549484 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 exchange INFO
> cookie: 706c21ba7b23ffee->bc913c8656d13c01 msgid: 00000000 len: 40
> 07:43:27.550272 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->0000000000000000 msgid: 00000000 len: 324
> 07:43:27.705446 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 exchange INFO
> cookie: 706c21ba7b23ffee->285de1c413970480 msgid: 00000000 len: 40
> 07:43:27.738025 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->0000000000000000 msgid: 00000000 len: 284
> 07:43:28.194061 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 
> exchange AGGRESSIVE
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: 00000000 len: 232
> 07:43:28.229392 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange AGGRESSIVE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: 00000000 len: 52
> 07:43:28.452855 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 
> exchange unknown
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: bf12bff5 len: 124
> 07:43:28.453769 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange unknown
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: bf12bff5 len: 76
> 07:43:28.583338 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 580
> 07:43:28.648283 z.z.z.z.500 > x.x.x.x.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 292
> 07:43:28.756855 x.x.x.x.500 > z.z.z.z.500: isakmp v1.0 
> exchange QUICK_MODE
> encrypted
> cookie: 706c21ba7b23ffee->aa6518a779fa28b9 msgid: b4331353 len: 52
> 
> 07:43:28.759525 esp z.z.z.z > x.x.x.x spi 0x00202AD8 seq 1 len 84
> 07:43:28.759747 k.k.k.k > z.z.z.z: icmp: host x.x.x.x unreachable
> 07:43:29.716258 esp z.z.z.z > x.x.x.x spi 0x00202AD8 seq 2 len 60
> 07:43:29.716470 k.k.k.k > z.z.z.z: icmp: host x.x.x.x unreachable
> 07:43:30.390774 esp z.z.z.z > x.x.x.x spi 0x00202AD8 seq 3 len 116
> 07:43:30.391030 k.k.k.k > z.z.z.z: icmp: host x.x.x.x unreachable
> 07:43:30.391077 esp z.z.z.z > x.x.x.x spi 0x00202AD8 seq 4 len 124
> 07:43:30.391097 esp z.z.z.z > x.x.x.x spi 0x00202AD8 seq 5 len 116
> 07:43:30.391283 k.k.k.k > z.z.z.z: icmp: host x.x.x.x unreachable
> 07:43:30.391457 k.k.k.k > z.z.z.z: icmp: host x.x.x.x unreachable
> 


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