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Beginners Guides: 104 Tech Tips for Windows XP

Beginners Guides: 104 Tech Tips for Windows XP - PCSTATS
Abstract: From quick tips to WindowsXP, right through to cool tweak, toys and experiments, PCSTATS has go you covered with over a hundred new Tech Tips!
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Filed under: Beginners Guides Published:  Author: 
External Mfg. Website: PCSTATS May 01 2007   Mike Dowler  
Home > Reviews > Beginners Guides > PCSTATS

Computer Security Tips 48-49

48. Prevent Computer Users From Logging on to Windows at Certain Times.

If you would like to prevent a member of your household or office from logging into his or her computer at certain times, you can create restrictions on their user account to do this.

To restrict access times for a certain user open the command prompt ('start\run' and type 'cmd'). To restrict a certain user's log in times to Monday - Friday, 5AM to 8PM, type 'net user (username) /time:m-f,5am-8pm

Replace (username) with the required user name. You can change the days using (m,t,w,th,f,s,su) and change times using the same method shown. The user will not be allowed to log in at any other time.

Note that this will not prevent users from using the computer during restricted times if they have already logged in. It only prevents them from booting into Windows.


49. Encrypt Your Important Files (XP Professional)

Windows XP Professional contains a built-in file encryption utility which can make your essential data inaccessible to anyone who does not possess the correct user name and password. Essentially, no one can read the encrypted files except you.

To encrypt your data, right click a file or folder you wish to encrypt and choose 'properties'. Then click the 'advanced' button at the bottom.

Check the 'encrypt contents to secure data' button to encrypt your file or folder. Hit 'ok' to confirm. You'll notice the icon text has changed to green to indicate that the file is encrypted.

If you wish to allow certain other users access to the file or folder, right click the encrypted file again, choose 'properties' and 'advanced' then hit the 'details' button at the bottom of the screen.

Under the 'users who can transparently access this file' heading, use the 'add' button to add any users you want to allow access to.

Note that files and folders are encrypted using a numerical key derived from the unique SID (Security IDentifier) number assigned to each XP user account. This means that you MUST un-encrypt your files if you plan to either delete your user or re-install WindowsXP. Even if you create a new user with the same name and password, they will not be able to access the files.

Only the original creator and users they designate can open encrypted documents.

Windows XP allows the creation of a recovery agent which can transfer the ability to open encrypted files to another user account. For more info on recovery agents and file encryption, grab a coffee and read PCstats Guide to Encryption and Online Privacy.

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Contents of Article: PCSTATS
 Pg 1.  Beginners Guides: 104 Tech Tips for Windows XP
 Pg 2.  WindowsXP Interface Tips 1-2
 Pg 3.  WindowsXP Interface Tips 3-6
 Pg 4.  WindowsXP Interface Tips 7-9
 Pg 5.  WindowsXP Interface Tips 10-11
 Pg 6.  WindowsXP Interface Tips 12-14
 Pg 7.  WindowsXP Interface Tips 15-17
 Pg 8.  WindowsXP Interface Tips 18-20
 Pg 9.  Computer Maintenance and Troubleshooting Tips 21-23
 Pg 10.  Computer Maintenance and Troubleshooting Tips 24-25
 Pg 11.  Computer Maintenance and Troubleshooting Tips 26-30
 Pg 12.  Computer Maintenance and Troubleshooting Tips 31
 Pg 13.  Computer Maintenance and Troubleshooting Tips 32-33
 Pg 14.  Computer Maintenance and Troubleshooting Tips 34-36
 Pg 15.  Computer Maintenance and Troubleshooting Tips 37-39
 Pg 16.  Computer Maintenance and Troubleshooting Tips 40-41
 Pg 17.  Computer Maintenance and Troubleshooting Tips 42-46
 Pg 18.  Computer Security Tips 47
 Pg 19.  Computer Security Tips 47 con't
 Pg 20.  — Computer Security Tips 48-49
 Pg 21.  Computer Security Tips 50-51
 Pg 22.  Computer Security Tips 52
 Pg 23.  Computer Security Tips 53-54
 Pg 24.  WindowsXP Shortcut Tips 55-57
 Pg 25.  WindowsXP Shortcut Tips 58-63
 Pg 26.  Disk and Storage Management Tips 64
 Pg 27.  Disk and Storage Management Tips 65-67
 Pg 28.  Cool Tweaks, Toys and Experiments 68-69
 Pg 29.  Cool Tweaks, Toys and Experiments 70-71
 Pg 30.  Cool Tweaks, Toys and Experiments 72-75
 Pg 31.  Cool Tweaks, Toys and Experiments 76-78
 Pg 32.  Cool Tweaks, Toys and Experiments 78 con't
 Pg 33.  Cool Tweaks, Toys and Experiments 79-81
 Pg 34.  Cool Tweaks, Toys and Experiments 82-85
 Pg 35.  Cool Tweaks, Toys and Experiments 86-90
 Pg 36.  Networking and Internet Tips 91-93
 Pg 37.  Networking and Internet Tips 94-97
 Pg 38.  Networking and Internet Tips 98-101
 Pg 39.  Networking and Internet Tips 102-104

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