Mac Security Focus: Firewalls
7 October 2008
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Firewalls monitor and regulate the data moving on and off your computer or network. They can keep criminals out while allowing legitimate network traffic in. Mac OS X comes with not one but two firewalls of its own. However, those two aren't always enough.
The Threat
Years ago, a bug (long-since fixed) let attackers send Macs a so-called "ping of death"--specially designed network traffic that could crash a system. There aren't any such network vulnerabilities on Macs (that we know of) now, but many of Apple's security updates specifically address network vulnerabilities. Clearly, Macs aren't inherently immune.
With millions of computers in the world, it might seem that the odds of your Mac being targeted are awfully small. But there are computers out there that do nothing all day but probe Net-connected machines for vulnerabilities; it's certainly possible that one will find yours. And don't forget that any time you're on a network--a coffee shop's Wi-Fi system, for example--you're exposed to anyone else on that network.
The risks--the loss of private data and the hijacking of your Mac's computing power--are great enough, and the cost of prevention low enough, that implementing a good firewall on your Mac and your local network is a no-brainer.
Article Source(Continued)
The Threat
Years ago, a bug (long-since fixed) let attackers send Macs a so-called "ping of death"--specially designed network traffic that could crash a system. There aren't any such network vulnerabilities on Macs (that we know of) now, but many of Apple's security updates specifically address network vulnerabilities. Clearly, Macs aren't inherently immune.
With millions of computers in the world, it might seem that the odds of your Mac being targeted are awfully small. But there are computers out there that do nothing all day but probe Net-connected machines for vulnerabilities; it's certainly possible that one will find yours. And don't forget that any time you're on a network--a coffee shop's Wi-Fi system, for example--you're exposed to anyone else on that network.
The risks--the loss of private data and the hijacking of your Mac's computing power--are great enough, and the cost of prevention low enough, that implementing a good firewall on your Mac and your local network is a no-brainer.
Article Source(Continued)
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If you are looking for a firewall and need an all in one solution that I would look at something like unified threat managment also known as a UTM.Cyberoam firewall is the only UTM firewall that embeds user identity in firewall rule matching criteria, enabling enterprises to configure policies and identify users directly by the username rather than through IP addresses. Cyberoam’s powerful hardware firewall provides stateful and deep packet inspection, access control, user authentication, network and application-level protection.
The ICSA-certified Cyberoam firewall is available along with VPN, gateway anti-virus and anti-spyware, gateway anti-spam, intrusion prevention system, content filtering, bandwidth management and multiple link management, providing comprehensive security to small, medium and large enterprises, including remote and branch offices. Cyberoam is a Check Mark Level 5 certified UTM solution.
Key Features
1.Stateful Inspection Firewall
2.Centralized management for multiple security features
3.Embeds user identity in rule-matching criteria
4.Multiple zone security
5.Granular IM, P2P controls
6.ICSA certified
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