Q. What is the best software firewall for home computer users and why? Which offers the most features and doesn't run down computer sources, and which is the most secure?
A. Have you noticed that the people who are always pushing different Browsers and operating systems always claim that any Windows based program(s) are bad.
In the last year of so, the Scumbags that write these programs have been insulted by the Firefox, Opera, Linux, and Mac users. All the bragging they do about being Malware proof has spurred the Scumbags into action.
The only reason these area have not been attacked is simple: Not enough users. The Scumbags get high off the attention their Virus(s) get in the media and the only way to get the attention is to infect the most computers. With approx. 600 million Windows users and approx. 60 million others, the Windows systems have had all the attention. The extensive media coverage of Windows OS's being attacked is a way for the media to try and bring down the big guy.
The Scumbags are now attacking these other browsers and OS's with a vengence. You are not hearing about it in the news media because they don't generate the attention the media want. If you saw a headline in the paper or on the net that said "LINUX OPERATING SYSTEM ATTACKED BY WORM", odds are you would not read it because you don't use Linux and the Worm doesn't affect you. Maybe a few thousand Windows users will read it. Change Linux to Windows and you will now have millions of readers. Since the number of readers equate to higher advertising rates, publishing a story about Linux is like reducing your AD rates.
Back to your question. Windows has a good Firewall built into the SP2. It does have one flaw in that it does not stop a Virus or spyware program from sending information out of your computer. This has been corrected for the Vista OS but not XP as of yet. Many security experts expect Microsoft to address this with XP after the Vista release early next year.
Zone Alarm is an excellent Firewall program that works in both directions (incoming and outgoing). Zone Alarm is free and will provide you as good protection as any brand you purchase. Most of the people you read that say any product like Norton, McAfee, Zone Alarm etc. is worthless or bad, usually have never used it, or, didn't know or understand how to use it properly. You know these kind of people. They make statements like "Zone Alarm is worthless" and then are incapable of providing and facts to back up their claim.
I recommend you read this site. It covers a lot of information on Malware, how it works to attack your computer and programs best suited to deal with each type of malware. It also has a very good area on Firewalls and how they work. This site is well worth the read.
http://www.internetinspiration.co.uk/computer_privacy_and_security.htm
What is the most powerful firewall for a Linux web-server?
Q. A software firewall not a hardware one.
A. Various answers here. Some firewalls (Linux) come with a web server, others just run on separate PC's.
Check out Distrowatch.com for the various firewalls. Some like Endian and ClarkConnect come with web servers embedded. Others like IPCop and Monowall are basic firewalls/routers.
http://distrowatch.com/search.php?category=Firewall&origin=All&basedon=All&desktop=All&architecture=All&status=Active
I run my web servers on a dedicated Ubuntu server, with ISPConfig as the admin tool for multiple sites and security.
I then run a separate PC with a Linux firewall on the front end.
Do i need networking knoweldge to become linux system administrator? Q. Hello, i'm currently planning to study linux and get certified if possible, and i'm hoping for a linux system administrator career, i have no experience in sys admin, and i'm wondering if i do need good networking knoweldge (certification) in networking??
Thanks for help.
A. yes! they go hand in hand. you cannot administer systems if you cannot communicate with other systems on the network. you cannot shield your systems if you don't understand how firewalls, null routes, and routing works to counter ddos. go for RH certifications and LPIC and then CCNA and CCNP. if you have time go for VMWare certification. all companies in one way or another are affected by cloud services or some sort of virtualization. good luck.
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