Firewall planning | General Recommendations

The following recommendations for firewall planning and implementation will help administrators plan for firewall placement and implement their firewall policies:

• Placement and Deployment
  • Place a packet-filtering firewall at the edge of each discrete network in the organization.[..]

Firewall policies | IP Addresses and Characteristics

Firewall policies should only permit appropriate source and destination IP addresses to be used. Specific recommendations for IP addresses include:

• Traffic with invalid source or destination addresses should always be blocked, regardless of the firewall location. Examples of relatively common invalid IPv4 addresses are 127.0.0.1 (also known as the localhost address) and 0.0.0.0 (interpreted by some operating systems as a localhost or a broadcast address). These have no legitimate use on [..]

Network Layouts with Firewalls

The figure below shows a typical network layout with a hardware firewall device acting as a router. The unprotected side of the firewall connects to the single path labeled “WAN,” and the protected side connects to three paths labeled “LAN1,” “LAN2,” and “LAN3.” The firewall acts as a router for traffic between the Wide Area Network (WAN) path and [..]

Why to choose a Firewall – VPN (Virtual PrivateNetwork) Solution ?

In today’s world, more and more businesses are seeking to gain efficiencies in their resources.
Forced to do more work with fewer people, organizations are looking for ways to improve the
manageability and scalability of their networks without increasing their costs.

With the growing concerns over network security, Denial of Service attacks, virus damage, and privacy your network demands a firewall – vpn solution that provides the assurance of a dedicated network security[..]