Andy Ruhl <acruhl%gmail.com@localhost> writes: > How do clients use OpenVPN? Do you have to install it, and is it > widely available? My basic research suggests that most clients will > have to install it. You are right that most clients need to install something. I installed OpenVPN on Android, available from f-droid (which therefore implies it's actually Free Software) and TunnelBlick on mac (which is more or less the official client). > What about built in VPN clients? Isn't L2TP pretty much standard? Perhaps; if someone has a setup and can post about it that would be interesting. There is another big issue lurking, which is how VPN approaches interact with firefwall traversal. There are a lot of firewalls that block a lot of things out there. I've run into some that block xmpp, including a hospital guest network that was intended, and I suspect that's only because there was a narrow list of allowed ports. Probably I just used tor at the time to get around it. I don't remember all the details, but there are SSL VPNs, VPNs that send datagrams as IPsec, and VPNs that send UDP datagrams. Depending on what you want to do this matters.
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