Most application level and stateful inspection
firewalls will support NAT, but according to David Newman, testing editor for Data Communications magazine, consumers should view NATs as an option, not a must-have.
Con caracteristicas "Plug and play" con tecnologia firewall Stateful Inspection
The device features performance of 60,000 stateful inspection
connections per second and up to 60,000 deep-packet inspections per second, with switch-like network latency and high throughput.--Top Layer Networks
filters are no longer adequate for all perimeter security needs.
A firewall permits only the passage of packets authorized on the basis of several parameters, including packet filtering, address translation, access control lists, stateful inspection
and content filtering.
Available in rackmount or desktop configurations, the routers are modular in design and are full-featured, including stateful inspection
firewall, NAT, DHCP server and client, and a single slot used to house a variety of interchangeable network interface modules for speeds ranging from 56 kbps to full T-1.
Both the SuperPipe 95 and 155 routers feature dual S/T or U basic rate interfaces, universal power supplies, stateful inspection
firewalls and 56-bit IPSec encryption, while the SuperPipe 155 also offers T-1, E-1 or serial WAN interfaces.
The VPN client adds basic packet filtering and stateful inspection
to network traffic for the remote user, and allows VPN connections over GPRS mobile networks.
Wynn's has installed a Bintec X2300 multi-protocol router with built-in ADSL modem, ISDN back-up and stateful inspection
firewall at their Reading headquarters, and an additional Bintec XS Office at their distribution centre in Staffordshire, claims the company.
Throughput of the AT-AR800 switching routers is measured at 85 Mbps, with the Nemesis stateful inspection
Check Point Software recently introduced a new type of firewall technology, known as stateful inspection
, which analyzes all protocols and compares current sessions to previous ones to detect suspicious activity.
SpeedSurf connects users to the Internet, intranet or extranet over an existing xDSL, cable or wireless modem, and features an integrated stateful inspection
firewall with filtering capacities.