On September 24 and 25 we are celebrating International Freelancer Day. Please join the event.
Saturday, September 25, 2010
Freelancers
Freelancer a term refer to the thousands of people who are working from all over the world. These people are from different country with different languages. There are a lot of sites for freelancers but also we have to have some knowledge about how to do freelancing and how the whole process works. It can be vary hard for the beginners to find work of their choice but by the time pass and some experience in the fields should increase the chances of freelancer to earn their living just doing freelancing.
Thursday, February 11, 2010
Unable to open local files from Internet Explorer window? IE6 SP1 and later
Symptom
Problem opening up local files in a Internet Explorer window. For example, the following code works on some systems and does not work in some.
Test
Explanation / Workaround: from Eric Shen [MS]
The issue is a new security feature in Internet Explore 6 Service Pack 1. In order to prevent Internet vicious codes from accessing your local files, the development team developed the new security feature and included it in IE6 SP1. Please be advised that this is a normal behavior. Actually, IE6 SP1 includes new security code checks that prevent "zone elevation". This means that documents located in the "Internet" zone will not be granted access (through HREFs, scripting...etc) to documents in the "My Computer" zone. Only documents located in the "Trusted" or "My Computer" zone can access documents in the "My Computer" zone. Therefore, if you want to allow untrusted documents to access documents in the "My Computer" zone, you might add the source URL in "Trusted sites" (this must be done with caution for obvious security reasons). The "Local Intranet" zone is trusted as well.
Furthermore, the following registry key allows disabling the new security codes check that prevent "zone elevation": - You can create this DWORD key and set it zero to disable this new feature. Also, you can enable it by changing it to 1 at any time.
HKCU\Software\Microsoft\Internet Explorer\Main
Disable_Local_Machine_Navigate = 0 (REG_DWORD)
It is not recommended to use above registry key since it breaks the "zone elevation" security fix. Please use this tweak only if you have a valid reason to do so. The above is a per-user setting.
(XP Service Pack 2) Local Machine restrictions prevents even the Trusted sites from opening files in My Computer Zone
In Windows XP Service Pack 2, no site from any Zone can open files in local machine zone, whereas in pre-SP2, only Internet Zone sites were restricted to open local files, while Trusted/Intranet can.
While the above method (Disable_Local_Machine_Navigate) works fine in Windows XP Service Pack 2 also, here is more information and another workaround for this issue:
Security Zone value 2101 corresponds to URLACTION_FEATURE_ ZONE_ELEVATION
Description: Web sites in less privileged Web content zones can navigate into this zone.
"Tweak" or alter the Lockdown Zone template itself:
Disabling this restriction still breaks the "Zone Elevation" security fix. Use only for valid reasons.
Open Registry Editor and navigate to:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0]
Backup the key to a REG file and in the right-pane, set the value 2101 to 0
Problem opening up local files in a Internet Explorer window. For example, the following code works on some systems and does not work in some.
Test
Explanation / Workaround: from Eric Shen [MS]
The issue is a new security feature in Internet Explore 6 Service Pack 1. In order to prevent Internet vicious codes from accessing your local files, the development team developed the new security feature and included it in IE6 SP1. Please be advised that this is a normal behavior. Actually, IE6 SP1 includes new security code checks that prevent "zone elevation". This means that documents located in the "Internet" zone will not be granted access (through HREFs, scripting...etc) to documents in the "My Computer" zone. Only documents located in the "Trusted" or "My Computer" zone can access documents in the "My Computer" zone. Therefore, if you want to allow untrusted documents to access documents in the "My Computer" zone, you might add the source URL in "Trusted sites" (this must be done with caution for obvious security reasons). The "Local Intranet" zone is trusted as well.
Furthermore, the following registry key allows disabling the new security codes check that prevent "zone elevation": - You can create this DWORD key and set it zero to disable this new feature. Also, you can enable it by changing it to 1 at any time.
HKCU\Software\Microsoft\Internet Explorer\Main
Disable_Local_Machine_Navigate = 0 (REG_DWORD)
It is not recommended to use above registry key since it breaks the "zone elevation" security fix. Please use this tweak only if you have a valid reason to do so. The above is a per-user setting.
(XP Service Pack 2) Local Machine restrictions prevents even the Trusted sites from opening files in My Computer Zone
In Windows XP Service Pack 2, no site from any Zone can open files in local machine zone, whereas in pre-SP2, only Internet Zone sites were restricted to open local files, while Trusted/Intranet can.
While the above method (Disable_Local_Machine_Navigate) works fine in Windows XP Service Pack 2 also, here is more information and another workaround for this issue:
Security Zone value 2101 corresponds to URLACTION_FEATURE_ ZONE_ELEVATION
Description: Web sites in less privileged Web content zones can navigate into this zone.
"Tweak" or alter the Lockdown Zone template itself:
Disabling this restriction still breaks the "Zone Elevation" security fix. Use only for valid reasons.
Open Registry Editor and navigate to:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0]
Backup the key to a REG file and in the right-pane, set the value 2101 to 0
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