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Deploying L2TP/IPSec-based Remote Access Deploying L2TP-based remote access VPN connections using Windows Server 2003 consists of the following: * Deploy certificate infrastructure * Deploy internet infrastructure * Deploy AAA infrastructure * Deploy VPN servers * Deploy intranet infrastructure * Deploy VPN clients Implantando L2TP/IPSec-based Acesso Remoto
Implantando L2TP com base em conexões VPN de acesso remoto usando o Windows Server 2003 é constituída pelos seguintes elementos:
* Implantar certificado infra-estrutura
* Implantar infra-estrutura Internet
* Implantar infra-estrutura AAA
* Implementar VPN servidores
* Implantar intranet infra-estrutura
* Implementar clientes VPN
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What is IPSec policy?
IPSec is a set of IP extensions that provide security services, such as encryption,authentication, and data integrity. IPSec is typically used with a VPN.
Is a set of standardized security protocols for encryption and authentication information?
IPsec
Which IPsec component provides connectionless integrity and data authentication but does not provide confidentiality?
Answer: The Authenticated Header (AH) In the IPSec protocol the only traffic that is unencrypted is the (AH). In other words, it only signs the traffic to retain its authentication & integrity, but no privacy.
Looking at IPSec-encrypted traffic with a sniffer What packet types do you see?
You can see the packages to pass, but you can not see its contents IPSec Packet Types IPSec packet types include the authentication header (AH) for data integrity and the encapsulating security payload (ESP) for data confidentiality and integrity. The authentication header (AH) protocol creates an envelope that provides integrity, data origin identification and protection against replay attacks. It authenticates every packet as a defense against session-stealing attacks. Although the IP header itself is outside the AH header, AH also provides limited verification of it by not allowing changes to the IP header after packet creation (note that this usually precludes the use of AH in NAT environments, which modify packet headers at the point of NAT). AH packets use IP protocol 51. The encapsulating security payload (ESP) protocol provides the features of AH (except for IP header authentication), plus encryption. It can also be used in a null encryption mode that provides the AH protection against replay attacks and other such attacks, without encryption or IP header authentication. This can allow for achieving some of the benefits of IPSec in a NAT environment that would not ordinarily work well with IPSec. ESP packets use IP protocol 50.
How do you monitor IPSec?
To test the IPSec policies, use IPSec Monitor. IPSec Monitor (Ipsecmon.exe) provides information about which IPSec policy is active and whether a secure channel between computers is established.
What can L2TP do for someone's network?
L2TP is a tunneling protocol for an IP network. L2 data is transmitted over the network but has no encryption or authentication abilities. This type of protocol is usually paired with IPSec to provide encryption and authentication.
In an IPSec tunnel what types of traffic can be secured?
B.UnicastC.KerberosD.Resourse Reservation Protocol(RSVP)
What are 3 types of authentication used to access a wireless network?
There are many types of authentications can be used in access wireless network. mainly 3 types are used: User only Authentication, Device Only Authentication, User+Device Authentication. They are self explanatory.
What is ipsec?
(IP SECurity) A security protocol from the IETF that provides authentication and encryption over the Internet. Unlike SSL, which provides services at layer 4 and secures two applications, IPsec works at layer 3 and secures everything in the network. Also unlike SSL, which is typically built into the Web browser, IPsec requires a client installation. IPsec can access both Web and non-Web applications, whereas SSL requires workarounds for non-Web access such as file sharing and backup. IPsec is supported by IPv6. Since IPsec was designed for the IP protocol, it has wide industry support and is expected to become the standard for virtual private networks (VPNs) on the Internet.
How many types of authorization and authentication provided by ASP.net?
Authentication !) form based Authentication 2) Windows " " 3) Passport "
How do you deploy IPSec for a large number of computers?
Just use this program Server and Domain Isolation Using IPsec and Group Policy Basta utilizar este programa Server and Domain Isolation Using IPsec and Group Policy
What is IPSec group?
The Internet Engineering Task Force (IETF)'s IP Security Protocol (IPSec) working group is defining a set of specifications for cryptographically-based authentication, integrity, and confidentiality services at the IP datagram layer. IPSec is intended to be the future standard for secure communications on the Internet, but is already the de facto standard. The IPSec group's results comprise a basis for interoperably secured host-to-host pipes, encapsulated tunnels, and Virtual Private Networks (VPNs), thus providing protection for client protocols residing above the IP layer.
