Since Monday 25 of September is no longer available the access to the service VPN by means of the protocol PPTP. This protocol (PPTP) is unsure and an attacker rotted to obtain the key of the session of transparent shape. Here they find documented the vulnerabilities of PPTP: http://links.uv.es/siuv/nopptp

OpenVPN Will be the only protocol borne to connect to the network VPN, of the University of Valencia, and for this reason recommend the installation and configuration of a customer OpenVPN as soon as possible. You can consult the following address where will find examples of installation for the different operating systems: 

http://www.uv.es/uvweb/servei-informatica/ca/general/services/network-communications/network-private-virtual-vpn-/configuracio-connexio-1285903202522.html

For any doubt can put you in contact with C.A.U. to the 64200.