On Oct 27, 2004, at 3:38 AM, Erik Norgaard wrote:
Hi,
I am looking at how to implement VPN but I'm getting confused as to how IPSec, IKE, OpenSSL, FreeSWAN, racoon etc. all fit into the picture. I am looking at two scenarios, and I have two questions.
1) Standard IPSec tunnel:
+----+ IPSec/VPN +----+ LAN---| FW |-----------| FW |---LAN +----+ +----+
In this scenario: Can CARP/pf handle VPN/IPSec connections incase the master unit fails? (I am assuming that both ends have fixed public routable ip's).
2) VPN for mobile users
+----+ VPN +-----+ LAN---| FW |-----------| FW? |---[mobile unit] +----+ +-----+
For mobile users I can't be sure where they are, their ip, or if they
are behind NAT/firewall, nor can I trust the network until the mobile unit.
IPSec breaks behind NAT, are there other altertives than ssh-tunnels I should take a look at? (which? :-)
Thanks, Erik
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Take a look at mpd in the ports tree for the mobile connections. I use it on a regular basis, and it is really easy to setup. Also, unlike poptop, mpd supports encryption. My particular setup is for 128-bit encryption and I allow 3 different connections at once.
HTH ----- Eric F Crist Secure Computing Networks
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