Question for Experts...

Janor

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hi
Is there a way to prevent someone from taking the ownership of a file? in other words I want to protect a certain file by changing its permission settings, but this protection can be bypassed if someone changed the ownership settings of the file (by using DOS commands for examples)
 

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OS
W7 Pro

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That's how to take the ownership of the file...but I want to prevent this
thanks aw
 

My Computer

OS
W7 Pro
Permission

if you take ownership and set up permissions correctly you can prevent changes
 

My Computer

Computer Manufacturer/Model Number
Custom Built
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Windows 7 Ultimate 32 bit
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AMD Athlon 64 X2 4200+ Overclocked to 3.0Ghz
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Biostar TF560 A2+
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2 Gigs of G.Skill DDR2 800
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HIS ATI Radeon HD 2600 Pro With IceQ cooler
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6.1 Channel Sound Blaster Live 24 Bit
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Dual 20.5 " LG Flatrons W2052TO
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430 watt Seasonic 80%+ Dual 12v Rails 2x80mm fans
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CHIEFMAX YA-5X
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4-80mm case fans 1-140mm case fan freezer 64 Pro CPU cooler
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Saitek Eclipse II
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A4Tech wireless battery free optical scroll mouse
Internet Speed
1.5 meg down 384 up
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Logisys LED fan/light controller and dual 16" LED sticks mounted inside top of case all fans are LED all lighting is blue
DVD RW and CD RW both and Memory card reader
Set up a standard account with Parental Controls activated. Whoever you want to block from viewing the files will be under control from the Parental Controls.
 

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PC/Desktop
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The Dominator?
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AMD Piledriver FX 8320 @ 3.5GHz
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ASUS M5A97 EVO R2.0
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Crucial Ballistix 8GB 1600 MHz DDR3
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Basically this depends on what other user accounts are set up on your machine. Any Administrator can take ownership of any file, unless this is explicitly denied - if anyone knows this last part to be wrong, please correct me on this one. So, your choices are - either to limit everyone else's accounts so that they do not belong to the Administrators group, or specifically deny permissions to them.

To deny permissions - right-click on the file -> properties -> security -> advanced -> permissions -> change permissions. There you pick the username of anyone you want to protect the file from and click edit. There you can explicitly deny all kind of permissions, including "take ownership", scroll all the way down for this one.

The way I understand it, the explicitly denied permissions are more powerful than the defaults, so that if you do that, the other person would not be able to take ownership of the file.
 

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Dell Inspiron 530
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Windows 7 Ultimate (x64)
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Q6600
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8 GB
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Samsung HD501LJ
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25 Mb/s
That file will never be protected as long as another administrator account is on the machine...

If you want to protect the file from the other users AND they don't have access to an admin account...just set the ownership to your User and set full control permissions to only yourself
 

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Computer Manufacturer/Model Number
Compal JFT02 (Custom Build Laptop)
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Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64
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Intel Core 2 Duo T9300 2.5 GHz
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JFT02
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4GB Kingston DDR2-800
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NVIDIA Geforce 8600M GT (512MB Model)
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Realtek HD Audio
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WUXGA Standard Laptop Display
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Toshiba 320GB 5400RPM Laptop HD
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Standard Laptop Power Supply
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Standard Laptop Case
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Standard Laptop Cooling
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Standard Laptop 105 Key-Keyboard
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Synaptics Touchpad
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Verizion Online DSL 3360/864 kbs (dl/up)

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DIY
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W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
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Phenom II 1090T w/Noctua NH-D14 /**4400+ X2 w/CM Hyper TX 3
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ASRock 890FX Deluxe 4/**A8N-SLI
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2 x 2GB Patriot PGS34g1600LLKA/**4x1GB Corsair VS
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EVGA GTX460 SC/**EVGA 8800GTS
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Asus Xonar D2X/**Xonar D1
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Acer X233H, Dell E152FPc /**LG M237-WD
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1920x1080 & 1024x768/**1980x1080
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WDC 2TB, 1.5TB, 1TB, 500GB,Seagate 500GB , Maxtor 80GB /**500GB Seagate & WDC 1TB Black
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CM RS600 w/ APC BX1000G/**Antec 500 TP w/ APC BX1000
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HAF922/**Antec 1040IIB
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3x200mm, 1x140 and 1x120mm/**5x80mm fans
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Logitech Media USB/**Saitek Eclipse
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Cordless Trackman Wheel/**Ditto
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3.3Mbps
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SB 560 5.1 w/ Sennheiser RS140/**Creative T20 speakers, Dvico FusionHDTV7 Gold RT, Cisco E3000, HP 5510V AIO, Linksys E3000, Belkin F5U237 hub and **F5D8055 adapter
(** = 2nd rig)
I know it can be done by creating a non-admin account but it is unpractical to set another account and put a password to mine just to protect a single file...
 

My Computer

OS
W7 Pro
I know it can be done by creating a non-admin account but it is unpractical to set another account and put a password to mine just to protect a single file...
Not unpractical because...would you want someone messing around on your user account?

It is a matter of security and privacy here...I know that my user account is my own and I don't want anyone else messing with it
 

My Computer

Computer Manufacturer/Model Number
Compal JFT02 (Custom Build Laptop)
OS
Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64
CPU
Intel Core 2 Duo T9300 2.5 GHz
Motherboard
JFT02
Memory
4GB Kingston DDR2-800
Graphics Card(s)
NVIDIA Geforce 8600M GT (512MB Model)
Sound Card
Realtek HD Audio
Monitor(s) Displays
WUXGA Standard Laptop Display
Screen Resolution
1680*1050
Hard Drives
Toshiba 320GB 5400RPM Laptop HD
PSU
Standard Laptop Power Supply
Case
Standard Laptop Case
Cooling
Standard Laptop Cooling
Keyboard
Standard Laptop 105 Key-Keyboard
Mouse
Synaptics Touchpad
Internet Speed
Verizion Online DSL 3360/864 kbs (dl/up)
Could you tell us the file you are wanting to protect?
 

My Computer

Computer Manufacturer/Model Number
Compal JFT02 (Custom Build Laptop)
OS
Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64
CPU
Intel Core 2 Duo T9300 2.5 GHz
Motherboard
JFT02
Memory
4GB Kingston DDR2-800
Graphics Card(s)
NVIDIA Geforce 8600M GT (512MB Model)
Sound Card
Realtek HD Audio
Monitor(s) Displays
WUXGA Standard Laptop Display
Screen Resolution
1680*1050
Hard Drives
Toshiba 320GB 5400RPM Laptop HD
PSU
Standard Laptop Power Supply
Case
Standard Laptop Case
Cooling
Standard Laptop Cooling
Keyboard
Standard Laptop 105 Key-Keyboard
Mouse
Synaptics Touchpad
Internet Speed
Verizion Online DSL 3360/864 kbs (dl/up)
What i used to do in these situation would to change the extension of that file copy it to a location where noone would suspect even if they suspect without know what file is it they can't open it.
Ex. If you have a Word document SevenForum.docx change the File name and extension to something else like DataFile.zip so even if they double click it would say that Zip file is corrupt. This is the same process these Encryption program do but they hide it as well

Hope this helps
Captain
 

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Could you tell us the file you are wanting to protect?

It is a system file (located in system32/drivers folder) that my little brother always delete to bypass the web filter, I've tried lots of tricks to protect the file but he always manages to find a way through...
 

My Computer

OS
W7 Pro
Could you tell us the file you are wanting to protect?

It is a system file (located in system32/drivers folder) that my little brother always delete to bypass the web filter, I've tried lots of tricks to protect the file but he always manages to find a way through...
Your little brother...is clever to say the least...

Like I said...make him a limited account and password lock the adminstrator account for yourself...

might be a hassle but it should stop his attempts
 

My Computer

Computer Manufacturer/Model Number
Compal JFT02 (Custom Build Laptop)
OS
Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64
CPU
Intel Core 2 Duo T9300 2.5 GHz
Motherboard
JFT02
Memory
4GB Kingston DDR2-800
Graphics Card(s)
NVIDIA Geforce 8600M GT (512MB Model)
Sound Card
Realtek HD Audio
Monitor(s) Displays
WUXGA Standard Laptop Display
Screen Resolution
1680*1050
Hard Drives
Toshiba 320GB 5400RPM Laptop HD
PSU
Standard Laptop Power Supply
Case
Standard Laptop Case
Cooling
Standard Laptop Cooling
Keyboard
Standard Laptop 105 Key-Keyboard
Mouse
Synaptics Touchpad
Internet Speed
Verizion Online DSL 3360/864 kbs (dl/up)
One sure way to protect the file is to delete your little brother's account, and not let him use the computer, or if you want to let him continue using the computer, give him only a guest account, which shouldn't give him access to any system files.
 

My Computer

Computer Manufacturer/Model Number
DIY
OS
W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
CPU
Phenom II 1090T w/Noctua NH-D14 /**4400+ X2 w/CM Hyper TX 3
Motherboard
ASRock 890FX Deluxe 4/**A8N-SLI
Memory
2 x 2GB Patriot PGS34g1600LLKA/**4x1GB Corsair VS
Graphics Card(s)
EVGA GTX460 SC/**EVGA 8800GTS
Sound Card
Asus Xonar D2X/**Xonar D1
Monitor(s) Displays
Acer X233H, Dell E152FPc /**LG M237-WD
Screen Resolution
1920x1080 & 1024x768/**1980x1080
Hard Drives
WDC 2TB, 1.5TB, 1TB, 500GB,Seagate 500GB , Maxtor 80GB /**500GB Seagate & WDC 1TB Black
PSU
CM RS600 w/ APC BX1000G/**Antec 500 TP w/ APC BX1000
Case
HAF922/**Antec 1040IIB
Cooling
3x200mm, 1x140 and 1x120mm/**5x80mm fans
Keyboard
Logitech Media USB/**Saitek Eclipse
Mouse
Cordless Trackman Wheel/**Ditto
Internet Speed
3.3Mbps
Other Info
SB 560 5.1 w/ Sennheiser RS140/**Creative T20 speakers, Dvico FusionHDTV7 Gold RT, Cisco E3000, HP 5510V AIO, Linksys E3000, Belkin F5U237 hub and **F5D8055 adapter
(** = 2nd rig)

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Dell Studio 1555
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windows 7 ultimate & vista ultimate
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Dell Studi 1555
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ATI Mobil Radeon 4500 series
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MicroSoft HD audio
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Generic PNP 15" & 20" Benq External
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WD SATA 500gb
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90w -9 hour
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laptop
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normal
have you considered encryption software?
 

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Custom
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Windows 7 Ultimate Signature Edition
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2x EVGA 285 2GB in SLI
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Creative Labs X-Fi ExtremeGamer
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Thermaltake 1000w supporting quad SLI
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Thermaltake Armor Full Tower
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Thermaltake V1 CPU+DIY Liquid cooling
Could you tell us the file you are wanting to protect?

It is a system file (located in system32/drivers folder) that my little brother always delete to bypass the web filter, I've tried lots of tricks to protect the file but he always manages to find a way through...
Your little brother...is clever to say the least...

Like I said...make him a limited account and password lock the adminstrator account for yourself...

might be a hassle but it should stop his attempts

yeah looks like it is the only way, thanks man
 

My Computer

OS
W7 Pro
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