What is a VPN?
Cisco Documentation on VPN
• A VPN is a Virtual Private Network
• Now, as more and more companies need access for remote users, mobile
users or remote offices, your current architecture can be augmented with a
• A Virtual Private Network is a network that’s created by encryption
(Tunneling) across another unsecured medium, like the Internet
• What is great about Cisco and VPN’s is that all Cisco devices can be
configured as a VPN enabled device solely by the IOS feature set itself. There
is a concentrator series, but...
CCSP Cisco Secure VPN Exam Certification Guide is a comprehensive study tool that enables you to master the concepts and technologies required for success on the CSVPN exam. Each chapter of the CCSP Cisco Secure VPN Exam Certification Guide tests your knowledge of the exam subjects through sections that detail exam topics to master and areas that highlight essential subjects for quick reference and review.
The Installation Process
Important - To install a Remote Access client on any version of Windows, you need Administrator permissions. Consult with your system administrator.
To install a Remote Access client:
1. Log in to Windows with a user name that has Administrator permissions.
2. Get the installation package from your system administrator, and double-click the installation package.
3. Follow the installation wizard.
Note - On Windows Vista and Windows 7, there may be a prompt to allow access, depending on the UAC settings....
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As surprising as it sounds, there are still people out there who use well-known exploits,
such as war dialing, to gain unauthorized access. This term became popular with the ﬁlm
War Games and refers to a technique that involves the exploitation of an organization’s
telephone, dial, and private branch exchange (PBX) systems to penetrate internal network
and computing resources. All the attacker has to do is ﬁnd a user within the organization
with an open connection through a modem unknown to the IT staff or a modem that has
minimal or, at worst, no security services enabled.
Remote Access Clients provide a simple and secure way for endpoints to connect remotely to corporate resources over the Internet, through a VPN tunnel. Check Point offers 3 enterprise-grade flavors of Remote Access to fit a wide variety of organizational needs.
The clients offered in this release are:
Endpoint Security VPN - Incorporates Remote Access VPN with Desktop Security in a single client. It is recommended for managed endpoints that require a simple and transparent remote access experience together with desktop firewall rules....
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Even though PEMis a landmark protocol in the development of secure messag-
ing, and is also generally considered to be of sound technical design , it did not
catch on. This was mainly due to two reasons. First, the message syntax that PEM
describes was incompatible with the widely successful MIME message syntax that
emerged at the same time [29, p. 156]. Secondly, the public-key management de-
scribed by PEM restricted the Certiﬁcate structure [9, p. 51]. Namely, it required a
top-down Certiﬁcate Authority (CA) approach.
If we lived in a static world, developing effective solutions for known attacks might be
achievable over time. However, in today's complex cyber business environment, there
is no static state. Too often, attackers are ahead of the curve, continually innovating
effective attack strategies and schemes, while security professionals and enterprise
IT continue to struggle to keep pace with malicious developments.
Today's enterprise threat environment has evolved and exploded into an assortment
of blended attack vectors that effectively work in concert to breach existing security
Security professionals understand that these gaps exist and represent risks for them.
In IDC's 2008 Enterprise Security Survey, only 46% of surveyed participants said that
they were very confident or extremely confident of their existing enterprise security.
IDC believes that this finding demonstrates a noticeable level of management
uncertainty and a lack of confidence in existing security systems. The source of this
lack of confidence is largely due to the understanding that existing infrastructures do
have security gaps.
This document serves as a design guide for those intending to deploy a site-to-site VPN based on IP
Security (IPsec). The designs presented in this document focus on Cisco IOS VPN router platforms.
The primary topology described in this document is a hub-and-spoke design, where the primary
enterprise resources are located in a large central site, with a number of smaller sites or branch offices
connected directly to the central site over a VPN. A high-level diagram of this topology is shown in
OpenVPN is an open source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange. It is capable of traversing network address translators (NATs) and firewalls. It was written by James Yonan and is published under the GNU General Public License (GPL)