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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Hacked! Hacked!
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11/22/2010 2:09 PM
 
Sebastian Leupold


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www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212
public users do not need write permission at all, upload of files is done via ASP.Net (and associated user account). Please make sure the windows account used by ASP.Net (as configured in your IIS application pool) does have full create/write/edit/delete permissions for files and folders.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
New Post
11/23/2010 9:25 AM
 
rob nisbet


Joined: 2/15/2010
Posts: 86
Hi Sebastian,
Thanks for your input. Public users I believe don;t have write permision. I was talking about what my hosting company calls the IUSER account which is I assume the ASP .NET worker process.
Are you saying that this account should have full read/write access to the entire dot net nuke folder (ie for performing upgrades etc). Is this therefore a 'secure' configuration to run with .... and still leads me to ask how a hacker could use this process to srite a file - presuambly through a security flaw in DNN somewhere ?

Thanks
Rob
 
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11/23/2010 11:58 AM
 
Sebastian Leupold


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www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212
since the ASP.Net account can only be used by DNN itself, it is save to grant full permissions - if a hacker runs the asp.net access, there is not much harm if he is able to affect core files as well. Full permissions are needed to install modules, language packs, providers etc.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
New Post
11/24/2010 4:16 AM
 
Duncan McCormack


Joined: 10/19/2010
Posts: 37
rob nisbet wrote:
Hi Sebastian,
Thanks for your input. Public users I believe don;t have write permision. I was talking about what my hosting company calls the IUSER account which is I assume the ASP .NET worker process. 

Yo Rob - NO NO NO :)  The NETWORK SERVICE (Server 2003) or ASP.NET service (2008) does NOT equal the IIUSER account.  The former listed service accounts (depending on the Server version running) are the only required accounts that need full permissions.  The IUSER account should not be needed at all!

However, it maybe, due to the setup at your host (I'd be interested in hearing more on how they've done it) *may* require the IUSER account to have READ privilege.  That's all it will need.

Cheers,  Duncan.
 
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11/24/2010 8:12 AM
 
andy


Joined: 7/12/2009
Posts: 24
Well if it is a shared web hosting, it might be the infected files are generated from other website that has already been hacked, most hackers place a file script into a site folder, by viewing the file and running it through web, it can generate files that will copy and replaced existing files. Mostly what hackers done is replacing the default page like index.html, default.htm, etc. Based on my experience they do it in purpose to tell you that your site is vulnerable so 60% are not harmful. Most of them posted trick and tips in hacker forums and teach newbie on how to hack the sites that they have done
Regards
Andy
DNN Modules | Free Themes | Blog about Programming
 
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