Once you understand Check Point's security model, installation is a fairly simple process.
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The SecuRemote add-on is free SecureClient costs $100 per seat, with discounts for larger numbers of licenses. Secure Client offers the added advantage of protecting a workstation from attack so that remote users' computers cannot become platforms for attacking a company's network.
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This terrific infrastructure facilitates affordable telecommuting. These two add-on packages are Windows-based apps that let users connect their systems to the firewall network through an encrypted network tunnel to access services on the network. In addition to supporting network-to-network VPNs, Check Point supports client-to-network VPNs through its SecureClient and SecuRemote applications. It also lets you apply security policies to traffic in the VPN-a task that's nearly impossible when using a separate VPN concentrator located inside a firewalled perimeter. Check Point's VPN-1 is merely an encryption add-on to FireWall-1 such tight integration makes VPN setup much easier by providing a common interface for both firewall and VPN administration.
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Check Point claims that its stateful inspection technology is more sophisticated because it builds state-entries in the list of network conversations-by taking advantage of much more information from HTTP and other protocols higher in the network protocol stack.Ĭheck Point offers the most effective integration of VPN and firewall functionality we've seen.
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Darren Reed's IP Filter package for various versions of BSD Unix and the new iptables software for Linux are examples of firewalls that use stateful packet filtering. Most popular firewall packages implement similar technology for tracking connections. Stateful inspection describes traffic according to who initiates the connection, and other traffic can be allowed or denied based on existing connections. With stateful inspection, you can specify rules more easily than you can with basic packet filters. If the traffic is unfamiliar but allowed, a new entry is created in the list of existing conversations, and the traffic can pass through the firewall. If a packet is part of an existing conversation, it can pass. As traffic arrives at the firewall, Check Point examines it and compares it to the set of existing, and allowed, network conversations already underway. This kind of scalability is why many large organizations with extremely complicated networks-GTE Internetworking, for instance-use Check Point for their security needs.įireWall-1 blocks traffic by means of technology that Check Point calls stateful inspection.
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You can then install the applicable parts of that security policy for each of your enforcement points.
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To accomplish this with Check Point, you must still develop a single security policy on your management server. In a case like this, you may want as many as four enforcement points, one for each connection. For example, suppose you have several wide area network (WAN) connections: one to the Internet, two more to satellite offices, and another to a business partner's network. Check Point's approach is unique in that it lets you define more than one enforcement point. In general, most firewalls perform a similar combination of functions-storing, implementing, and logging violations of a security policy. In smaller implementations, the management server resides on the same box as the enforcement point. Such integration sets Check Point apart from both commercial Linux firewall suites and open source security alternatives.Ĭheck Point divides the implementation of its network security policy into three components: a graphical interface for administration a management server that stores security policies and logs and an enforcement point-a network gateway that actually implements that policy, blocking or allowing traffic where appropriate. FireWall-1 is further enhanced with integrated VPN functionality that's easy to deploy and manage. Check Point Software Technologies has ported its popular, sophisticated and relatively easy-to-administer firewall to the Linux platform. Check Point FireWall-1 is the 800-pound gorilla of the commercial firewall industry.