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Services » Security » Firewall 04 July 2008
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Firewall specification, configuration and management

When it comes to securing your network from external threats, the firewall is the most important component. Having a correctly configured firewall in place prevents malicious attacks on your network, whilst allowing internal users to access approved internet sites and remote users to securely access company data.

Specification

Due to the huge number of different firewalls and other security appliances on the market, it is difficult for most companies to ascertain which firewall product they should purchase, and which options they need for that firewall in order to achieve their desired results. ION Systems’ consultants work closely with our clients to break down their requirements and then recommend a firewall which will meet their current needs, whilst offering scalability for future requirements and growth.

In the main, we offer firewalls from 3 different vendors:

D-Link DFL-200

This capable firewall protects your network from rogue users on the internet. It supports IPSec VPNs for connections to other offices and PPTP for connecting remote workers. Management is achieved via a secure web connection. It supports very basic web filtering.

Watchguard Firebox X-Edge 5,15 or 50

This firewall comes from a company with a proven track record of providing top quality security appliances. Upgradeable from 5 to 50 users this firewall supports web filtering via the WebBlocker subscription service. It also supports IPSec VPN clients and site to site connections.

Fortinet FortiGate 50A and 60

Fairly new to the security industry the Fortinet range of firewalls are a departure from other offerings. The only firewall to have obtained ICSA certification in 4 categories these award winning firewalls provide a consistent feature set across all models of the range.

Some of the features of the FortiGate include: Web Filtering, Anti-Virus Scanning, Spam Filtering, IPS, Policy routing, VLAN support, Failover and multiple authentication methods.

A subscription is a necessary component to ensure that your security appliance is constantly updated to help protect your business against emerging threats.

Please refer to the table below for more information regarding the features of each firewall mentioned above.


 

Products ->

Dlink DFL-200

WatchGuard Firebox X-edge

Fortinet FortiGate 50A

Fortinet FortiGate 60

Users

Unlimited

5, 15 or 50

Unlimited

Unlimited

Firewall Features

Stateful Packet Inspection

Yes

Yes

Yes

Yes

Denial of Service

Yes

Yes

Yes

Yes

Intrusion Prevention

Yes

Yes

Yes

Yes

VPN

Site to Site

Yes

2

20

40

Client

Yes

Optional up to 11

Yes

Yes

Protocols

IPSec, PPTP, L2TP

IPSec

IPSec, PPTP, L2TP

IPSec, PPTP, L2TP

Authentication

MD5, SHA1

MD5, SHA1

MD5, SHA1

MD5, SHA1

Encryption

DES, 3DES

DES, 3DES

DES, 3DES, AES128, AES192, AES256

DES, 3DES, AES128, AES192, AES256

Network Features

Interfaces

WAN, DMZ, LAN (4 Port switch)

9 (10 with upgrade)

External, Internal

2 x WAN, 1 x DMZ, Internal 4 (Port switch)

Multiple WAN IP address support

No

No

Yes

Yes

Multiple VLANs

No

No

Yes

Yes

DHCP Server

Yes

Yes

Yes - all interfaces

Yes - all interfaces

DHCP Client

Yes

Yes

Yes

Yes

DHCP Relay

Yes

No

Yes

Yes

Value Added Features

Web Filtering

Yes

Yes

Yes

Yes

Anti-Virus Scanning

No

No

Yes

Yes

Grayware / Malware

No

No

Yes

Yes

Anti-Spam

No

No

Yes

Yes

IM and P2P blocking

No

No

Yes

Yes

NAT / Routing Features

PPPoE Support

Yes

Yes

Yes

Yes

Static Routing

Yes

Yes

Yes

Yes

Routing Protocols

RIPv1, RIPv2

None

RIPv1 + v2, OSPF

RIPv1 + v2, OSPF

Policy based routing

No

No

Yes

Yes

NAT Many-to-One

Yes

Yes

Yes

Yes

Non-NAT Full Routing

Yes

No

Yes

Yes

NAT Policy-based

Yes

No

Yes

Yes

Management

Web Browser(Http)

Yes

Yes

Yes

Yes

Secure Web Browser (Https)

Yes

Yes

Yes

Yes

Telnet

No

No

Yes

Yes

SSH

No

No

Yes

Yes

Logging (Browser)

Yes

Yes

Yes

Yes

Syslog

Yes

Yes

Yes

Yes

Webtrends

No

No

Yes

Yes


      

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