It's not necessary to perforate the firewall for using a VPN as long as you are 
initiating the connection from within the firewall perimeter. This can be done 
with OpenVPN easily. You will need a box - not dedicated but always on - inside 
your LAN though, that instantiates the tunnel endpoint.

Cheers

--
Integrative Netzwerke Udo Kaune
Deichstraße 6
25335 Elmshorn
Tel: +49 (4121) 579 69 35
Fax: +49 (4121) 579 69 99
Web: http://www.inet-hamburg.de
Handelsregister Elmshorn: HRA 1509


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