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Firewalls



Firewalls are now a necessary component of any organisations network security setup. A firewall is a device for guarding a private network by analyzing the data leaving and entering. Packets are allowed through if they match certain prefined criteria (rules) which are set according to corporate policy. Firewalls can also provide network address translation, so the IP addresses of computers inside the firewall stay hidden from view.

EBS is able to supply you with Xnet Solutions hardware firewalls. The SN300 is a high perfomance hardware firewall, with a 100% aluminium chassis in a standard 2U 19" rackmountable form factor. It has 1 WAN port and 2 LAN ports. One LAN port may be configured for DMZ use. We will also give you full after sales service. The SN300 firewall comes with a 1 year full replacement warranty.



SN330 Technical Specifications:
  • Rackmount 2U profile;
  • Dimensions: 17inch front x 3 inch height x 13 inch depth;
  • Network Interfaces: 3 x 10/100 Ethernet adaptors;
  • CPU: 900MHz Processor;
  • Memory: 128MB Dual Data Rate 400MHz.


SN 330 features:
  • 3 ethernet ports, one may be used for the WAN, the others are user configurable.
  • Rackmount chassis, 100% Aluminium for superior strength, heat dissipation and protection of your investment.
  • Stateful Packet Inspection. This enables our firewall to stop many types of hacker attacks by ensuring that only packets sent in response to requests from the LAN are allowed in. Includes block/reject/pass rules;
  • DNS Caching. Improve performance and save on bandwidth. By caching recent DNS queries the SN330 improves overall POP, SMTP and HTTP performance;
  • NAT/PAT allows unlimited machines to be setup on your private network and to allow them to access the Internet, while ensuring that they are protected from the outside world;
  • VPN is a method of securely connecting 2 networks or several mobile clients to a network over the public Internet, by transparently encrypting all data transmission. IPsec VPN (with support for mobile clients and also for tunnels) and PPTP VPN (with RADIUS server support) are both supported;
  • DMZ. Allows external users limited access to servers on your private network, without compromising security for the server or for other machines. Functionality includes ARP spoofing to allow a fully functional server to operate without hinderance from behind your firewall;
  • Bandwidth management. Ensure that all users get access to bandwidth and no one user utilises excessive amounts of bandwidth. Optimise connectivity so as to fully utilise both uplink and downlink bandwidth at the same time.
  • DHCP. DHCP client and server are built in;
  • Web user interface for quicker configuration;
  • SNMP client allows remote monitoring of the throughput;
  • Logging to a syslog server;
  • Static routes.






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