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1. Can I pass information only to someone without it leaking to anybody else? Yes you can. You can use data encryption with the key known only by the receiver. In case the data do get to other parties, it will not be of any use since it is encrypted thus making it unreadable.

2. What does hash mean? Is it the key? A hash value is a string of characters that represent encrypted data. In other words, it is the encrypted data.

3. What does it mean, SSL, and what is it? SSL is an acronym for Secure Socket Layer. SSL falls in the category of public key encryption.

4. How can a firewall protect my computer? A firewall monitors and filters out unwanted data packets from an Internet connection.

5. What does a proxy server do? Proxy servers takes the place of users in the eye of web servers. They send requests from users to web servers, and retrieve web pages to send to the computers. This creates a privacy for the users in that web servers have no idea that the real user interacting with them are behind the proxy server.

6. What is a botnet? It is an army of what we call zombie computers. A bot or zombie computer is a computer that has transformed into automatic machines or bots that are under the control of a third party.

7. What does DDoS mean, what is it? DDoS is Distributed Denial of Service. It is an attack that uses computers over the internet to send millions of requests to a server with the goal of overwhelming and crashing the server. In a major incident of DDoS attack, the whole internet traffic is affected.

8. A computer virus, what is it? Usually, a computer virus is a malicious code that resides within a larger computer legitimate code. Although not all viruses harm computer, there have been ones that are noted to have caused calamities.

9. Phishing? What is it? Phishing is a method intended to fool ignorant people into giving away classified information like bank account numbers, usernames and passwords and credit card information, by faking a legitimate web site.

10. What’s a cracker? What is black hat? Crackers are malicious hackers who infiltrate secure systems to steal information or cause damage. A black hat hacker is someone who actively attempts to break into systems or use computer viruses to steal information or achieve other purposes.

Make a Firewall Usefull

Basically, a network firewall once installed is meant to be effectively working to protect our system. By utilizing the list of blocked packets, programs, and IPs, break-in attempts will be prevented to over 80% of the time. However, this applies to only some situations.

How can we tell if a firewall is effective?

The fact is that firewalls work best differently for each unique environment in a network. It depends on the behavior of the data exchange between the users and the network or internet that is permitted by the administrator. I think this is the basic conditions a firewall should be installed upon, so as not to set the firewall to a “default-allow” rule, which will practically make the firewall useless.

To make the best of a firewall, it should be set to the “default-deny” rule, with exceptions for a list of IP’s, applications, access types and confirmations, only to the widest range that the company would really need in network and internet access. what’s best is to use a “default-deny” rule but add exceptions based on a need-to-use basis of the network users, even though a supervisor dedicated for technical support to grant “allow-rule” intelligently is needed.

 

This setting may be the best security firewall system setting besides antivirus with a comprehensive built-in firewall in it.

Why is it not effective?

It’s tempting to think that we are being under protection. It’s only that not every network owners really dedicate their small bit of investment to the “default-deny” set of rules implementation, because they refuse to have to add additional exceptions in the future upon someone complaining that he can’t use some internet resources.

They even don’t like more on the necessity of having to update rules as per what’s needed. what they’re looking for is a simple way out, without any later intervention needed to make it work.

This matter is not there because the system administrator doesn’t know about it, but mostly because it is a common practice. Marketing and commercials advertising copy that don’t want their products to feel hard to be used effectively also play the role.

How can we make the best out of it?

To acquire number one firewall solution installed is just cool. The only thing is that it’s not good enough. It demands us to have at least a bit more knowledge about networking, computer security, and network firewall.

None that I can remember of all vendors is providing that yet, because that is our part as users. A little priming is very important as soon as it is installed.

I’m talking about making use of a free firewall, Zone Alarm Free, install and prime it for the best. By watching the video guide, even begginers can use a firewall like a wizard.

If everything’s taken care of well, and the firewall is effective, we only have to relax and enjoy the day. I must admit that you have earned all these through hard work. That’s for real?

Please do this one!

If we are to achieve something, in this case a security for our network, we need to ACT. Now, what are we waiting for? Let’s do it, and relax when you have a secure networking and internet!

Although you have the best security tools installed, is your system constantly getting infected by viruses or contracting trojans and worms? Each one of the details in the following list is part of an all-inclusive and easy to apply security system.

You can defend both the system and your computer from almost all threats to your privacy and security, if you have a similar policy or just implement these points.

1. You should get all patches for your Windows OS and keep them always updated. All you need is a working internet connection and you will have an always updated Windows OS without any cost.

2. Find a best antivirus to date and install it. Consult software review for the best antivirus ranking to date. Nowadays, antivirus software solutions are sold at very affordable price; some with limited capablities are even free. Provide internet connection to let the antivirus update itself anytime, and let it run automatically when the computer starts. Most programs can do this automatically by default.

3. Have a firewall installed and configure it well. Either a software or a hardware firewall will do fine, you just need to make sure it is working properly. A router, in case you are using it, usually have a firewall already built in it, so that you just need to set the rules to make it work properly and effectively. Software firewalls are sold at affordable cost, even for free!

4. Don't install or run any program, but test them in different system or computer first to be safe. A virtual machine or a virtual computer can do this tricky job with no cost at all and act as a free virus protection.

5. Backup your files regularly, just in case. A best plan includes a way out of the worst. All you need is only a few DVDs. With a spare large size harddisk, the cost is reduced to zero!

It's clear that it cost very low and even free if you want to protect yourself from threats.

Anyone who owns and operates a personal computer, which by virtue of the fact you are reading this probably includes you, needs to be aware of and understand the need for firewall and anti-virus protection. Adware and malware parasite-like applications, along with other computer “bugs,” latch on to your operating system and data, putting both at risk, without these preventative programs.

Computer guru Kim Komando recommends Comodo as the best option for PCs running the Vista operating system. (Gannett News Service column, Dec. 31, 2008)

Comodo Internet Security Pro includes the firewall, anti-virus and security software found in the company’s free product, with these additional features:

TrustConnect, which can be used at coffee shops, hotels, airports, City/Town Public Wi-Fi hubs, or anywhere you need to use unsecure wireless connections.

Security & Protection Services: Guards your computer against viruses, hackers and malware. The company’s support experts will help you stay protected by diagnosing and removing all threats. Virus Diagnosis, Virus Removal and Internet Login Protection are among the services included.

Setup and Installation: Have your Internet-based email account and your Comodo products installed for you. Includes: Printer and Email account setup, and Comodo Internet Security Pro Software Installation.

PC Tune-up and Green Configuration: You will pay less for your monthly electric bill. The company will optimize your power management setting based on how you use your computer. Computer working too slow? They’ll give it a full scan and fine-tune key areas to improve speed and stability. Includes PC Tune-up service and Green PC Configuration.

Another endorsement: “The professional version steps up personal security and computer maintenance to another level … LivePC allows you to connect to real expert, 24 hours a day, to help diagnose security issues. You’ll even find people on hand to help you install the program, so the support starts from the very first time you download. This is perfect for people who understand how important internet security is but don’t have the time to dedicate themselves to learning every single thing about virus protection. Even if you consider yourself tech savvy, we bet you’ve got a friend or relative who could really benefit from a service like this!”
software-today.com

While there are many choices for Web security software, you can go with the recommended choice for Vista operating systems: Comodo Internet Security Pro.