[Openswan Users] openswan-2.1.0rc1 + linux-2.6.4 + manual keying to cisco 7200 ios 12.2

Niki Waibel niki.waibel at newlogic.com
Fri Mar 26 10:42:02 CET 2004


>     Niki> /etc/ipsec.secrets: 12.12.12.12 11.11.11.11: PSK
>     Niki> "xxxxxxxxxxxxxxxx"
>     Niki> # ipsec manual --iam 12.12.12.12 at eth:2 --up openswan_cisco
>     Niki> be sufficient?
> 
>   No.
>   Manually keying means setting all of the IPsec parameters yourself.

okay -- thought that could be done in the ipsec.conf file ...

>   You'd do that with "ipsec spi" on Openswan w/KLIPS, and "setkey" on
> 26sec.

so i have to use setkey, because i use 2.6 with native ipsec.

> Nobody should be manually anything unless they are testing.

unfort i have to follow the requirements of a customer. fortunately it is their sec
problem. i just would like to do that with openswan.

>   If you are setting something into ipsec.secrets, then you are doing
> automatic keying, using pre-shared secrets to authenticate.

oh -- i see. and the ipsec manual command is for configuring that "preshared authentication"
method, right?

the problem is that i have not got much information about all this (from the other
side of the vpn). i got the following:

vpn hardware                : cisco 7200 ios 12.2 (ipsec+3des)
ip addr of vpn              : a.b.c.d
auth method (preshared only): preshared key, exchanged over phone
transform set               : 3des sha
dh group                    : group 1 (can negotiate)
isa lifetime                : 86400 (cisco default)
addr of network             : e.f.g.h/x

any hint, how i can get that running (using setkey?) or more info?

niki


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