SSL312 ProSafe™ SSL VPN Concentrator - Is the clientless "client" secure`?


We are thinking about making this:

..available to our thin wyse clients.
* We dont host the VPN tunnel and don't know how its configured.
* What we have to install on our side is two activeX components.

Im wondering about how secure it is for us to log on to a VPN tunnel hosted externally from a thin client on an internal server. This should bypass some of our security, and if the provider gets hacked is it possible to reverse the connection and get access to our data? Tried to google some but can't find anything on this subject. Is there any with more security knowledge than me that know what we should be or not be affraid of?  :-)

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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
The "clientless" SSL Client implements a full-featured VPN tunnel. And the SSL VPN end device is no firewall. That leads to the conclusion that this specific VPN client opens the client box to the corporate network, and requires a Desktop Firewall to make it more safe. A security incident might make the client box available to remote parties, and the private IP known, so with some tricky setup it might even be possible to gain access to local network resources.

The whole connection is circumventing any security means you have implemented corporate-wide, as the unencrpyted traffic is only available at the connected client - no chance for an centralized enterprise class firewall (not installed on the client itself).

Most other SSL VPN clients do either implement an address mapping to localhost ports (like Juniper), or just NAT to a dynamic client IP, but still implementing a (simple) stateful firewall. That gives better protection, but still bears some risk.

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asmartinsenAuthor Commented:
Thank you, this is a good answer!
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