what are the vulnerabilities installing openvpn client on a customer's unattended server?

Posted by senorsmile on Server Fault See other posts from Server Fault or by senorsmile
Published on 2012-09-18T21:26:08Z Indexed on 2012/09/18 21:40 UTC
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We run Pfsense as our primary firewall. We also have OpenVPN server running on that box to allow us to remotely connect to our network. My question is: if we have a customer's mostly unattended server that we want to access remotely, what security vulnerabilities are there to installing openvpn on the customer's server as a client connecting to our network.

Presumably, we would want to limit/restrict that server's access to the rest of our network. How do we lock openvpn down and are there ways to detect abnormal activity coming from an openvpn client?

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