Hello! I have some trouble trying to configure a VPN with two gateways. One of them uses IPSec [FreeSwan/Linux] with a single key, 256bits length, specified in /etc/ipsec.secrets. As FreeSwan manual page says, if i put esp=3des-md5-96, will be used a "64bit IV key (internally generated), a 192bit 3des ekey and a 128bit hmac-md5 akey (RFC2451, RFC2403). The part I miss is: how can i split this key to be able to set up the other gateway with OpenBSD/FreeBSD? Or what must be done to use this single key for encryption and authentication on the xBSD gw? Here is a part from ipsec.conf:
and from ipsec.secrets:
Thanks,
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You don't need to 'split the key'... the key (shared secret) is symmetric, not asymmetric. You simply use the same (shared secret) key on both ends of the IPSEC VPN tunnel.
Each end will use the (shared secret) key to generate a session key.
My real problem is that the Linux gateway is using a "pre-shared ke", while the xBSD gateway is asking different keys with different encryption styles: encryption key and auth key. That i did not figure out: why BSD needs different keys and FreeSWAN/ipsec does not, or how can a BSD gateway talk to a FreeSWAN/Linux gateway with PSK?
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Perhaps you would be better off using a simple shared secret between the two implementations. This shared secret would be used to establish a session key.
Did you try this to see if it would work? Did you establish a tunnel with only shared secrets (this is called a pre-shared key in the article below)?
We are using cyberoam device, VPN IPSEC tunnel is going of frequently even the traffic is throug.
Please suggest what may be the cause for the above mentioned issue.
Also suggest a best tool to monitor the same VPN IPSEC tunnel connectivity. (4 Replies)
Hi @all,
I try to connect 2 LANs with IPSec/Openswan
LAN 1: 192.168.0.0/24
LAN 2: 192.168.1.0/24
This is my Config:
conn HomeVPN # # Left security gateway, subnet behind it, nexthop toward right. left=192.168.1.29 ... (1 Reply)
Hi all,
I have installed Openswan and configured IPSec and works perfect, but for some unknown reasons it stop working. I see that the tunnels are up and established. The route to the destination are added. Everything by the book seems to be ok. But somehow when i start to ping the other side (... (4 Replies)
Hello.
I am new to this forum and I would like to ask for advice about low level POSIX programming.
I have to implement a POSIX compliant C shared library.
A file will have some variables and the shared library will have some functions which need those variables.
There is one special... (5 Replies)
hello,
after configuration ipsec in ip4 I can not ping between client and server whereas I had success ping before configuration!
I also generate different key for AH and ESP as i have shown below.
what is my problem and what should i do to have ping and test the configuration?
code:
... (0 Replies)
Hi, I've used the following way to set ssh public key authentication and it is working fine on Solaris 10, RedHat Linux and SuSE Linux servers without any problem. But I got error 'Server refused our key' on Solaris 8 system. Solaris 8 uses SSH2 too. Why? Please help. Thanks.
... (1 Reply)
Hello,
I'm trying to setup a gateway VPN between two routers across an unsecured network between two local networks. The routers are both linux and I'm using the ipsec tools, racoon and setkey. So far hosts from either local net can successfully ping hosts on the other local net without issue.
... (0 Replies)
I'm facing a problem interpreting the shared memory key on an AIX machine.
(1) I go to a property file and I see the following:
shm_key = "119112066"
(2) So I now go the command prompt and do this:
ipcs -m | grep 119112066
And, I do not find it. So what I do is to run the... (2 Replies)