New Inter Regional ECCS application.
Sunday, July 12, 2009
Inter Regional
Thursday, April 16, 2009
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Monday, April 13, 2009
Freeing up Hard Disk space
The Disk Cleanup tool searches your entire hard disk for files that are safe and possible to delete and helps free up needed space. You can choose to delete some or all of the files.
- Remove temporary Internet files.
- Remove downloaded program files.
- Empty the Recycle Bin.
- Remove Windows temporary files.
- Remove optional Windows components that you are not using.
- Remove installed programs that you no longer use.
You can start Disk Cleanup, by doing any of the following:
- Click Start, My Computer
- Right-click appropriate hard disk drive, then click Properties
- Select the General tab,
- Click the Disk Cleanup button
(Disk Cleanup will take a few minutes to examine your disk ) - When the Disk Cleanup dialog box appears, select the Files from the list that correspond to what you want to delete.
- Click OK
- Click Yes to "Are you sure you want to perform theses actions?" box
- Click OK
To Remove Files Stored on Your Hard Disk
To remove files stored on your hard disk that you no longer use, follow these steps:
- Click Start, and then click My Computer.
- Right-click the disk in which you want to free up space, and then click Properties.
- Click the General tab, and then click Disk Cleanup.
- Click the Disk Cleanup tab (if it is not already selected), click to select the check boxes next to the files that you want to remove, and then click OK.
- Click Yes to the proceed with this action, and then click OK.
To Remove Windows Components
- Click Start, My Computer
- Right-click Local Disk, then click Properties
- On the General tab, click the Disk Cleanup button
- Select the More Options tab
- Under Windows components, click Clean up
(the Windows Components Wizard starts) - In the Components list, click to clear the check box next to the component(s) that you want to remove.
(A shaded check box next to a component indicates that only some of its subcomponents are installed ) - If you want to remove a subcomponent, click Details
- Click the check box next to the subcomponent(s) that you want to remove
- Click OK.
- Click Next.
- Click Finish
- Click Yes
- Click Yes to "You must restart your before the new settings will take effect" message
- Click OK
To Remove Installed Programs
- Click Start, then click My Computer.
- Right-click Local Disk, then click Properties.
- On the General tab, click the Disk Cleanup button.
- Select the More Options tab
- Under Installed Programs, click Clean up
(the Add or Remove Programs dialog box is displayed) - In the Currently installed programs list, click the program that you want to remove, and then click Remove (or Change/Remove)
- Follow specific steps issued for each program if they appear
- Repeat above steps for each program you want to remove
To Remove Restore Points
- Click Start, My Computer
- Right-click Local Disk, then click Properties
- On the General tab, click the Disk Cleanup button
- Select the More Options tab
- Under System Restore, click Clean up
- Click Yes to "Are you sure you want to delete all but the most recent restore point?" message
- Click OK
If you are using Netscape Navigator, Mozilla Firefox, or Opera, this program does not clean temporary Internet files for those applications.
Disk Cleanup does not clear your browsing history. It certainly isn't necessary to clear these, but if you share your computer, there is a privacy issue when others can see where you go on the Internet
Where to go next?
How to Automate the Disk Cleanup Tool in Windows XP
Free software tools for Disk Cleanup
Nonags Disk Cleaner
This free download utility shows you exactly where the free space has gone. In a matter of seconds Disk Cleaner calculates recursive folder size (including all files and sub-folders) for all folders on the entire NTFS drive. It allows drilling down through any particular folder to its subfolders and helps identify space-hungry ones.
ABiNSIGHT Disk Cleaner
Disk Cleaner is a free download utility that shows you exactly where the free space has gone.
More Topics
How firewall helps protect?
Definition
Firewalls protect your PC from outside attacker and hackers by establishing a protection wall in your computer or network from malicious or unnecessary Internet traffic. Firewalls can be configured to block data from certain locations while allowing the necessary data through. Firewall is very important especially for users who rely on "always on" connections such as cable or DSL modems. A personal computer connected to internet without a firewall can be hijacked in a minute. A firewall can block malware which can scan your computer for a weak point and then break in to using that.
- How firewall protects?
- firewall techniques
- Types of Firewalls
- Benefit of Hardware Firewall
- Choosing a firewall
- Tips for Home PC users
How firewall protects?
All messages entering or leaving the intranet pass through the firewall, which examines each message and blocks whether it meets the specified security criteria. If it does, it is routed between the networks, otherwise it is stopped. A firewall filters both inbound and outbound traffic. It can also manage public access to private networked resources such as host applications. It can be used to log all attempts to enter the private network and trigger alarms when hostile or unauthorized entry is attempted.
firewall techniques
Firewall uses different strategies to block unauthorized datas from accessing our internal network. Some of those techniques are:
Packet Filter
The firewall looks at each packet for 3 things, the source IP address, the destination IP address and the destination port. This information basically tells where the request came from, where it wants to go and what it wants to do. It looks at the "rule book" to determine if it's ok or not. After reading the rule book, it determines whether to accept or deny.
Application Gateway
Through this system, specific applications like FTP and Telnet servers can apply security mechanism.
Circuit Level Gateway
While establishing a TCP or UDP connection the circuit level gateway applies a security mechanism.
Proxy servers
Through this the network address could be hidden. The proxy server captures all messages entering and leaving the network.
Types of Firewalls
hardware Firewall
A hardware firewall is usually a small box that sits between a modem and a computer or network. Hardware firewalls can be purchased as a stand-alone product. But more recently hardware firewalls are typically found in broadband routers, and should be considered an important part of your system and network set-up, especially for anyone on a broadband connection. Hardware firewalls can be effective with little or no configuration, and they can protect every machine on a local network. Most hardware firewalls will have a minimum of four network ports to connect other computers.
- Cisco PIX
- SonicWall
- Nokia
- NetScreen
- Watchguard
Software Firewall
For individual home users, the most popular firewall choice is a software firewall. Software firewalls are installed on your computer (like any software) and you can customize it; allowing you some control over its function and protection features. A software firewall will protect your computer from outside attempts to control or gain access your computer, and, depending on your choice of software firewall, it could also provide protection against the most common Trojan programs or e-mail worms. The downside to software firewalls is that they will only protect the computer they are installed on, not a network, so each computer will need to have a software firewall installed on it.
- Microsoft ISA Server
- CheckPoint FW-1
- Norton Personal Firewall from Symantec [retail]
- Norton Internet Security 2007 or Norton 360 from Symantec
- Sunbelt/Kerio Personal Firewall [freeware & retail versions]
- ZoneAlarm ProZoneAlarm Pro from CheckPoint [retail & free versions]
- ZoneAlarm Internet Security Suite
- Comodo Personal Firewall [freeware]
- Firewall for Vista
Benefit of Hardware Firewall
Not like software firewall, hardware firewall protects your entire network. Before the packets even come into contact with your internal network, they are processed. Bad packets can't affect your system or the servers. This leaves the resources on your server or PC free to carry out its own role.
Choosing a firewall
As stated in the document above each type of firewall has got its own strong and weak points. The concept of choosing a firewall is included several things. The concept of choosing a firewall is not only evaluating what the best product is. We should mainly consider on following things.
A firewall implements a security
If you do not have a security policy choosing a firewall is a very hard exercise. If you are doing an emergency implementation where there were no protection previously and the risk needs to be addressed immediately make sure to prioritize the development of such a policy. This does include change control, which is key to firewall management. There should be clear guidelines as to what is allowed and what is not on policy level.
Cost Considerations
When you compare the costs of different firewalls, you need to take into account any of the extra cost features that you need to implement. If you don�t need Web caching, it might cost less to buy a SonicWall box than to buy a PC plus the Windows server operating system plus ISA Server. On the other hand, if you DO need caching and you already have an extra box on which ISA can be installed, this might be much more cost effectively than buying the SonicWall plus a Web caching server or appliance.
Tips for Home PC users
- Using a personal firewall is vital no what method you use to connect to the Internet, whether it be with a cable modem, Dial-Up modem, or DSL modem.
- If your PC is not guarded when you are surfing the internet, hackers can get entry to your computer and get access to your personal data on your computer system.
- A personal firewall helps to block out many different types of malicious programs and Internet traffic prior to it reaching your system.
- Some computer firewalls can also assist in preventing other users from using your PC to attack other systems without your approval.
- A computer firewall software will not make your PC or computer totally safe. However, a personal firewall provides the most helpful initial line of protection.
References
Simple Tweaks to Fix Your Computer
You must have wondered that why my computer is slow? Sometimes it becomes so frustrating to use a bogged down computer as you can’t save your work and install new software because your computer frequently gets hanged. But there are ways to prevent this, some of the reasons for a slow computer and their fixes have been stated below:
1. System Registry Errors
This is a major reason, why the computer slows down. Many folks do not have a clue about what is Windows registry and how to maintain it.
Like any other part of the computer system, registry entries in the registry are very important. These registry keys contain instructions that tell the software or hardware in your computer how to run. Over the time registry gets bigger in size and messy because computer doesn’t automatically restore the default settings after running the program. Over the time this problem gets worse thus affecting the performance of your computer.
Thus in order to solve this problem you can download registry cleaner software from the internet. This software will clean up the unwanted registry keys thus freeing up valuable space in RAM.
2. Virus
If you download files from the internet then there is possibility that your computer might be infected with a virus. This could be another factor affecting your PC performance. If you don’t have anti-virus software installed on your computer then download it from a site and install it.
In case, it’s not possible to remove the viruses from the computer then you might need to install your operating system again. Remember to back up your data prior to formatting your hard disk.
3. Insufficient RAM
Insufficient RAM could also be a reason for poor performance of your machine. If this is the key cause then upgrade the RAM on your computer.
For a computer having Windows XP operating system, any RAM lower than 512Mb is probably insufficient to present a good user experience. To check your computer RAM, right click on My Computer icon and go to properties.
4. Spyware and Adware
If you frequently surf on net then there are higher chances of your computer being infected with spyware. These spywares are meant to track your browsing activities and then send back the information to their main sites.
Spyware removal software can be used to remove Ad-ware and spyware from your computer.
ABOUT THE AUTHOR
Slow computer? It doesn't have to be that way. My computer is slow and find out how to keep your PC running like the day you bought it.
Protecting Your Computer System from Summer Storm Power Surges
With unpredictable spring and summer weather looming over the horizon, protecting your computer system from the harmful effects of a power surge is crucial.
A power surge is a quick, short burst of voltage through a circuit caused by lightening strikes or power outages. This irregularity in the power flow can allow too much power to rush into an electrical device at one time, causing damage to it; this damage can cause a device to run improperly or to not operate at all.
The good news about this is that you can protect your computer from this danger in many ways. By using devices and a little common sense, you can rescue your computer from the dangers of volatile voltage conditions.
One way is by using a handy device called a surge protector. While there are many different brands and styles of surge protectors on the market, they all perform the same duty. This device does exactly what its name states; it protects your electronic equipment from unexpected surges of power. It does this by passing the extra electric current along to the outlet�s grounding wire, saving your computer. This handy gadget is also called a power strip, and it plugs into the electric outlet in your wall. You then plug your computer, monitor, printer, digital camera, and any other electrical devices into the handy extra outlets contained on the power strip. Turn on the flip switch and voila! You�re protected. Easy cheesy. When you buy a power strip, make sure it has adequate spots for all of your electronic devices; also check the product rating on the box. As with any other piece of equipment, you want to make sure you are buying the best quality for your money. You can never be too careful when you�re protecting a costly investment such as a computer system.
So now you�ve got a surge protector and everything is plugged in. Excellent. However, this is not a 100% fool-proof guarantee that if your home or office suffers a power surge that your system is completely protected. The only way to make sure there is absolutely no risk of your system being affected by a power surge is to power off the entire system and unplug it from the surge protector when inclement weather strikes. This guarantees that, if a surge were to happen, your computer would not be on the circuit affected.
If you absolutely need to be able to use your computer system during inclement weather, consider using an uninterruptible power supply such as a battery to power your system. Again, this ensures that your computer system is not on a circuit vulnerable to a power surge, thus guaranteeing protection from power surge related damages.
Your computer system is an expensive setup that is very important to you. You use it for homework, financial needs, perhaps even for your job. Protect this valuable piece of equipment from damaging power surges that are out of your control. Utilizing easy to use devices and a little bit of common sense will keep your computer system out of harms way this spring and summer.Dudley Heller writes on topics such as Whole House Surge Protector, SPDIF. Visit Protecting Your Computer System from Summer Storm Power Surges.
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