W2K vpn client to Cisco 3005 VPN concentrator
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Posted by on June 20, 2005, 6:07 pm
Please log in for more thread options connections from the w2k builtin vpn client. The concentrator currently has users connecting via the Cisco client using IPSec, and authenticating against an Active Directory server. The way I understand things is, PPTP is supported, but only without encryption when authentication against Active Directory. And the only other option is L2TP/IPSec, which is mutually exclusive with the IPsec-only that's currently in use. (Have I got this all correct?) So, the only option open here is PPTP without encryption, correct? Is there any way to get the w2k client to do l2tp without ipsec? Thanks! | |||||||||||||
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Posted by on June 21, 2005, 9:50 am
Please log in for more thread options L2TP/IPsec. By default, W2K creates an IPsec policy for L2TP that relies on digital signature (digital certificate) authentication. So, if you want to configure either L2TP alone or L2TP/IPsec with pre-shared key authentication then you need to modify the registry. Take a look at this article for more: http://support.microsoft.com/kb/240262 By creating the 'ProhibitIpSec' value, and setting the value to '1' (as discussed in the first part of the article), you actually disable the automatic creation of an IPsec policy (using digitial signature auth) for L2TP. So, if you don't want to use IPsec with L2TP, you can stop there, without following the instructions in the rest of the article (although you should consider the security implications!). Hope that helps, Mark CCIE#6280 / CCSI#21051 / JNICS#121 / etc. Author: www.ciscopress.com/1587051044 | |||||||||||||
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Posted by on June 21, 2005, 2:41 pm
Please log in for more thread options I've gotten l2tp working with the w2k client and cisco vpn 3005, but it
looks like the same problem I was having with pptp. Is there no way to connect with pptp or l2tp to a 3005 concentrator with encryption, when that concentrator is authenticating against an Active Directory server? | |||||||||||||
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Posted by Anatoliy Mysnyk on June 21, 2005, 5:10 pm
Please log in for more thread options Hello mark,
Tuesday, June 21, 2005, 4:50:41 PM, you wrote: [skip] Can the same problem be solved under Windows XP and Windows 2003? Key 'ProhibitIpSec' does not work and I found no solution on MSDN site. -- Best regards, CiscoPress.ru Anatoliy mailto:amysnyk@ciscopress.ru.no.spam. | |||||||||||||
> By creating the 'ProhibitIpSec' value, and setting the value to '1' (as