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Windows 7: CIFS Sign In

13 Jun 2011   #11
DJSEVEN

Windows 7 Home Premium 64 bit
 
 
CIFS Login

Hello Forum,

I have posted this problem on the “Network & Sharing” forum, unfortunately, no one was able to come up with a viable solution. I’m posting this problem once again on this forum in hopes that someone may be able to help solve my problem. …see below,

Can someone please tell me just what a “CIFS” used ID & password is? Where do I find this CIFS login Information? I recently purchased a LG Blu-ray player (model BD670) and successfully added it to my (wireless) network. When I try to access my computer from the LG player it brings up a “CIFS Sign In” screen which is looking for a user ID & Password. My home network consists of 1 PC (Windows 7, 64bit OS), 1 Router (Netgear wireless, model WNDR37AVv1), and 2 LG LG Blu-ray Players ( model BD670 WiFi Built-in).
I’ve tried entering my PC login / PSWD, tried logging into CIFS using the guest ID / PSWD, also tried logging in using the ‘Home Group’ password (using HomeGroup as the ID), none of these ID / Password combinations worked. I do not have ‘Windows Live Essentials 2011’, ‘Windows Live Sign-in Assistant’, or ‘Windows Live ID Sign-in Assistant’ running on my PC. I have also turned off password protected sharing in the Network and Sharing Center.
By the way, I also posted the ‘Microsoft Answers’ forum; http://answers.microsoft.com/en-us/windows/forum/windows_7-security/how-do-i-know-what-the-cifs-sign-is/6b900999-5ff4-49a0-856f-ab80178caf56?page=4 I have tried some of their suggestions, but still no luck.

…any help with this problem will be greatly appreciated!!


My System SpecsSystem Spec
.
04 Oct 2011   #12
SomeEnglishGuy

Windows 7 Ultimate x64
 
 

I've struggled with this for months, and finally found the solution. For anyone trying to connect to their LG player, try the following:
First, follow the procedures here: DLNA Setup on a LG Blu-ray Player - LG Consumer Knowledge Base
Then if that doesn't work, try removing Windows Live products (if you have them installed already) as described here: LG Home Link CIFS Problems Solved
Finally, and what worked for me, you may need to change a network security setting. This only seems to apply to Vista or Windows 7, which use a different version of NT LAN Manager (NTLM) than XP, and they need to be set up so they can accept connections from earlier versions of the NTLM protocol, which it seems the LG player uses for maximum compatibility with what is still the most widely used OS out there. The procedure is as follows:
Here's what you do:
1. Open the Run command and type "secpol.msc".
Optional: (2. Press "continue" when prompted by UAC.)
3. Click on "Local Policies" --> "Security Options"
4. Navigate to the policy "Network Security: LAN Manager authentication level" and open it.
By default Windows Vista sets the policy to "NTVLM2 responses only". Windows 7 was set as "undefined" in my experience.
5. Change this to "LM and NTLM – use NTLMV2 session security if negotiated".
6. Click OK.
Hopefully after this your shared folders will show up. They did for me and I didn't have to bother with the CIFS login either, as Windows 7 has a built-in DLNA server.
My System SpecsSystem Spec
04 Oct 2011   #13
FliGi7

XP / Win7 x64 Pro
 
 

This makes a lot of sense so thanks for posting that. This workaround shouldn't have much security repercussion for a home computer, but do note that there is a reason for only allowing NTLMV2 authentication responses. The NTLM (V1) protocol allows for hash-based authentications. In short, anyone with access to your computer can retrieve your current password's hash (the hash is the encrypted value of your current password that is stored on disk) and reuse your credentials elsewhere without actually having to know your (unencrypted) password. You can see why this is a very bad thing for a domain environment considering recent admin logon credentials are cached and thus susceptible to the same. If someone gets ahold of one machine with a cached domain/admin credential, they are now admins for the rest of the machines on the domain.

At any rate, not very much related to the fix at hand, just a side note as to why NTLM V2 was introduced in Windows 2000 and is now a standard for the OS (which can obviously cause problems with devices that still rely on the older and less secure authentication method).
My System SpecsSystem Spec
.

04 Oct 2011   #14
SomeEnglishGuy

Windows 7 Ultimate x64
 
 

Good point. As you say, in a home environment the security hole shouldn't be an issue unless you're an advanced user running a domain environment. I guess the only other circumstance in which this would be a problem is if the PC the media is streamed from happens to be a laptop that is used for work and home use, and you happen to be an administrator at work...as I am. I figure I'll need to whip up a batch file that runs to set NTLMV2 when I login as administrator, and NTLMV1 when I login as my non-admin home user. I sometimes wish IT gear would just be interoperable without all this extra config work, but if it did I'd be out of a job
My System SpecsSystem Spec
05 Oct 2011   #15
DJSEVEN

Windows 7 Home Premium 64 bit
 
 
CIFS Sign In

Thanks 'SomeEnglishGuy' for your reply to my dilemma, as soon as I get a chance I'll give it a try!
My System SpecsSystem Spec
30 Oct 2011   #16
hclarkjr

windows 7 ultimate x64
 
 

Quote   Quote: Originally Posted by SomeEnglishGuy View Post
I've struggled with this for months, and finally found the solution. For anyone trying to connect to their LG player, try the following:
First, follow the procedures here: DLNA Setup on a LG Blu-ray Player - LG Consumer Knowledge Base
Then if that doesn't work, try removing Windows Live products (if you have them installed already) as described here: LG Home Link CIFS Problems Solved
Finally, and what worked for me, you may need to change a network security setting. This only seems to apply to Vista or Windows 7, which use a different version of NT LAN Manager (NTLM) than XP, and they need to be set up so they can accept connections from earlier versions of the NTLM protocol, which it seems the LG player uses for maximum compatibility with what is still the most widely used OS out there. The procedure is as follows:
Here's what you do:
1. Open the Run command and type "secpol.msc".
Optional: (2. Press "continue" when prompted by UAC.)
3. Click on "Local Policies" --> "Security Options"
4. Navigate to the policy "Network Security: LAN Manager authentication level" and open it.
By default Windows Vista sets the policy to "NTVLM2 responses only". Windows 7 was set as "undefined" in my experience.
5. Change this to "LM and NTLM use NTLMV2 session security if negotiated".
6. Click OK.
Hopefully after this your shared folders will show up. They did for me and I didn't have to bother with the CIFS login either, as Windows 7 has a built-in DLNA server.
will give this a try, been trying to figure this out for awhile now
My System SpecsSystem Spec
26 Feb 2012   #17
Ken LaMontagne

Windows 7 Ultimate x32
 
 

For Windows 7:

First thing you have to do is share the folders holding the video files that you want to stream to your LG Blu-Ray DVD player.

Go to "Open Network and Sharing Center" then "Choose Home group and sharing options" then make sure the "Stream my pictures, music and videos to all devices on my home network" is check marked.

When you have done this you will see Name of the source of the videos on the menu, followed by a windows logo, when the Movies tab is opened. Choose that source and you should be done.
My System SpecsSystem Spec
30 Sep 2012   #18
haidy

windows 7 utimate x64
 
 
problem to sign in

what user ID and password on my system equates to a CIFS user ID / password? am still having problem with my LG Blu- ray to sign in as a cifs sign in ,is not taking my ID and my password,what can i do to sign on my Blu-ray? thanks
My System SpecsSystem Spec
19 Feb 2014   #19
andjayik

Windows 7 Ultimate
 
 

Quote   Quote: Originally Posted by SomeEnglishGuy View Post
I've struggled with this for months, and finally found the solution. For anyone trying to connect to their LG player, try the following:
First, follow the procedures here: DLNA Setup on a LG Blu-ray Player - LG Consumer Knowledge Base
Then if that doesn't work, try removing Windows Live products (if you have them installed already) as described here: LG Home Link CIFS Problems Solved
Finally, and what worked for me, you may need to change a network security setting. This only seems to apply to Vista or Windows 7, which use a different version of NT LAN Manager (NTLM) than XP, and they need to be set up so they can accept connections from earlier versions of the NTLM protocol, which it seems the LG player uses for maximum compatibility with what is still the most widely used OS out there. The procedure is as follows:
Here's what you do:
1. Open the Run command and type "secpol.msc".
Optional: (2. Press "continue" when prompted by UAC.)
3. Click on "Local Policies" --> "Security Options"
4. Navigate to the policy "Network Security: LAN Manager authentication level" and open it.
By default Windows Vista sets the policy to "NTVLM2 responses only". Windows 7 was set as "undefined" in my experience.
5. Change this to "LM and NTLM use NTLMV2 session security if negotiated".
6. Click OK.
Hopefully after this your shared folders will show up. They did for me and I didn't have to bother with the CIFS login either, as Windows 7 has a built-in DLNA server.
Thanks!! Something that finally worked!!
My System SpecsSystem Spec
Reply

 CIFS Sign In




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