Network And Security » Firewall Security

Firewall DMZ

admin — Sat, 13 Mar 2010 08:08:47 +0000

Firewall DMZ – provides a segmentation of the network when you need to host public resources such as Web servers.

Connecting our private network to the un-trusted network (aka the internet), we should control the flow of the traffic in a secured manner by a firewall device. With firewall, all the traffic are forced to pass [...]

Wireless Travel Router

admin — Thu, 04 Feb 2010 09:02:57 +0000

Wireless Travel router is typically used to protect your private network (your critical files in the Laptop) against any wide range of internet threats when you have to expose the laptop to the internet while you are in conference or hotel rooms or in any public hotspots. As general, a router is used to connect [...]

Home Firewall

admin — Tue, 10 Nov 2009 06:46:00 +0000

Home firewall is intended to protect home network from the unauthorized access of our resources by external entities in the internet. Firewalls in computer networks are used to isolate the private network and hosts from danger posed by our neighbors. And it can help to keep something happening inside your network from spreading.

Traditionally, a firewall [...]

IP NAT

admin — Tue, 14 Apr 2009 03:39:32 +0000

IP Network Address Translation (IP NAT) For Internet Connectivity solution for small network to business network, or even as a basic design of large enterprise.

Designing the Internet connectivity for your organization, you should define how large the size of your network infrastructure is.

For small such as home network or SOHO, non-routed networks you may be [...]

Dedicated Firewall

admin — Thu, 02 Apr 2009 05:42:54 +0000

Firewalls should be dedicated systems designed to protect the internal systems they shield

Firewalls must be dedicated and hardened security systems. Due to the security nature of a firewall, it must not be used for alternative purposes (even in small or remote environments), such as a domain name server, directory services, file and print or email [...]

Firewall Physical Security

admin — Wed, 01 Apr 2009 21:40:31 +0000

Firewall physical security assures the placement of any firewall system (or internal network) within a public accessible area is prohibited.

Firewall physical security means that firewall systems must be physically secure, situated in a locked room or secure cupboard (designed for such purpose). Access to the firewall system(s) must only be permissible by authorized security personnel.

Firewall [...]

Firewall Access Privileges

admin — Wed, 01 Apr 2009 10:57:25 +0000

A configuration change made by any unauthorized or untrained personnel would most likely result in a security hole in the firewall system. Privileges to modify the firewall configuration (rule base) must be restricted to authorized security personnel. All firewalls should have at least two people who are adequately trained and are proficient in managing the firewall [...]

Firewall Change Control

admin — Wed, 01 Apr 2009 06:26:11 +0000

A change management procedure is required to ensure that firewall configuration changes do not impact the business or generate any security vulnerabilities.

A firewall system must follow approved change management principles. This relates to hardware, software and configuration changes made on the firewall system(s).

A change management procedure is required to ensure that firewall configuration changes do [...]

Firewall Contingency Plan

admin — Tue, 31 Mar 2009 22:03:50 +0000

The contingency plans must be formally documented and tested to ensure a stable and secure network platform is available

Firewall Contingency plans must be prepared which address the response and action procedures that are to be taken in the event of various network firewall security related issues. These events include system / host compromise, security [...]

Firewall Logging

admin — Tue, 31 Mar 2009 21:57:29 +0000

Firewall logs must be periodically reviewed to ensure that the firewall is operating in a secure and functional manner.

The collection and maintenance of firewall logs is critical in determining the security of a firewall system and the assets it protects. In firewall logging – all suspicious activity as well as firewall configuration management must be [...]