Différences
Ci-dessous, les différences entre deux révisions de la page.
Prochaine révision | Révision précédenteDernière révisionLes deux révisions suivantes |
informatique:vpn [17/08/2009 15:57] – édition externe 127.0.0.1 | informatique:vpn [10/11/2010 11:18] – cyrille |
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PPTP uses IP protocol 47, designed for "General Routing Encapsulation" or GRE packets. A common mistake in configuring firewalls for use with PPTP is to open PPTP port 1723 (allowing connections to be established) but forget to forward GRE protocol type 47 (denying port data from passing through the tunnel). Some operating systems include "PPTP ping" utilities (pptpsrv and pptpclnt in Windows 2000) that verify both PPTP ports are opened. | PPTP uses IP protocol 47, designed for "General Routing Encapsulation" or GRE packets. A common mistake in configuring firewalls for use with PPTP is to open PPTP port 1723 (allowing connections to be established) but forget to forward GRE protocol type 47 (denying port data from passing through the tunnel). Some operating systems include "PPTP ping" utilities (pptpsrv and pptpclnt in Windows 2000) that verify both PPTP ports are opened. |
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| Les réseaux privés virtuels utilisent des protocoles spécifiques comme PPTP ou bien encore L2TP/IPSec appelés protocole de tunnel. Les protocoles de cryptage utilisés par PPTP et L2TP sont respectivement MPPE et IPSec. |
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| [[/informatique/microsoft/windows/VPN|Microsoft Windows VPN]] |
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| [[/glossaire/VPN|/glossaire/VPN]] |