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Questions tagged [ntlm]

NTLM (NT LAN Manager) is a set of security protocols from Microsoft that provides authentication, integrity and confidentiality to Windows users.

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NTLM disabled, CredSSP error on RDP connection

I'm trying to disable NTLM (for security reason) on a new domain. I'm activating the Network security: Restrict NTLM: Incoming NTLM traffic, Network security: Restrict NTLM: NTLM authentication in ...
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Monitoring my personal web traffic behind NTLM-authenticated proxy

At my office, I'm regularly using more than the recommended bandwidth per month. This isn't a big deal since it's a soft cap, but I do get monthly emails asking me to justify my usage. As I understand ...
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NTLMSSP_NEGOTIATE via HTTP

NTLMSSP_NEGOTIATE is initiated by client and afterwards the server responds with challenge message. The thing is that via SMB the reply to challenge is automatic, no user needs to enter password or ...
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511 views

Where is the Windows 10 PIN stored?

I know that Windows 10 stores passwords in a NTLM hash in a SAM file. Where is the Windows 10 PIN hash stored?
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Issue with Stunnel with NTLM authentication

I have to create tunnel between server and client. Client have proxy configured in between. So i use below in /etc/stunnel/stunnel.config. User name and password is correct pid = /var/run/stunnel....
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4k views

Windows 10 PC unable to access shared folder on NAS

My Windows 10 PC is unable to access a shared folder of my NAS. The NAS does not appear under Network and when I try to enter the address \\mynas or \\<ip> I just have an error message "Windows ...
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1answer
149 views

Scenario to produce NTLM traffic

I wish to perform a scenario which will produce network traffic of NTLM1 or NTLM2. I Tried several setups but could not produce that traffic. I guess windows tries to avoid that kind of ...
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183 views

How do I delegate NTLM authentication to a router?

I have credentials for NTLM in a business environment. I operate a router within that environment which passes the LAN network (via NAT) to a personal wifi network as my laptop and smartphone do not ...
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909 views

Kerberos and NTLM authentication

Q1) How do I force Windows 7 client to always use Kerberos authentication protocol talking to other machines on network irrespective of whether using host name or IP address? Q2) Similarly, how do I ...
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684 views

Latest version of cURL for win64 that supports NTLM proxy authentication?

I am currently using cURL 7.33.0 in order to download files from behind an NTLM proxy on a 64-bit Windows platform. However, it is almost 4 years old and there are now numerous security ...
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1answer
560 views

Thousands of failed logins [Code 4625]

I'm getting many failed logins on my windows root server. I already blocked RDP Port, but In the event viewer I still see many failed logins. They look like this: Fehler beim Anmelden eines Kontos. ...
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761 views

NTLM proxy authentication as Local System on Windows Server 2008

I have an application that is required to send HTTP requests via a proxy supporting only NTLM authentication against the local domain controller. I am using a libcurl SSPI build to send requests which ...
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10k views

Cannot start CNTLM

When I try to start CNTLM, it fails. If I check in my Windows Event Log I see the message: starting service 'cntlm' failed: fork 11, Resource temporarily unavailable It worked before I updated to ...
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151 views

How to debug failed WMI logins

I can connect to the target machine using wbemtest, but when I try connecting using an application based on J-Interop with the same credentials, the connection fails. I'm trying to figure out why. I ...
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498 views

VMWare NSX loadbalancer seems to set Connection: closed header

We have an IIS server that sits behind an NSX load balancer. We're using NTLM to authenticate with IIS, but it's only working if I hit the server directly, and not if I hit it through the load ...
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532 views

VisualStudio won't accept credentials in enterprise environment - StatusCode: 0x80090308

I'm currently using Visual Studio Community 2015, Version 14.0 Update 3. My problem is, that I can't connect to my own MS TeamFoundationServer 2015 from my workplace. The problem is definitely not ...
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183 views

Smart Card > Kerberos > Putty > Internet

I'm searching for a posibility to bypass the "Firewall". I've tried everything I know more than 2 weeks, so I ask here for a answer. We have no admin rights and the OS is Windows Vista There is an ...
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1answer
8k views

Enable NTLM SSO in Firefox via Group Policy

I would like to enable NTLM for a specific intranet site. For that I need to configure the following parameter: network.automatic-ntlm-auth.trusted-uris to add x.xyz.com How can I achieve this via ...
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739 views

Connecting a Windows 8.1 (Home ed.) to a OSX Server 10.10 via SMB

I'm trying to get a Windows 8.1 (Home edition) laptop to connect to a shared folder on a Mac OSX 10.10 server. I'm fairly sure the problem isn't on the server side, since i've managed to connect ...
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678 views

why Internet Explorer 9 User Agent string (the "MSIE part) mess up with proxy and/or NTLM auth in Apache Tomcat 7?

In my network we're behind a proxy (pac script), when try to access a site in the following url format: http://serverName.domain.com:8080/somePath IE (9.0.8112.16421) is unable to browser the site (...
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550 views

Internet Explorer 11 / Outlook 2013 single sign-on anomaly: it keeps sending Authorization: headers

I have IE 11 and Outlook 2013 on the client side. On ther server side there's centos7, apache 2.4 with auth_ntlm_winbind_module and winbindd. The server URI (http://server.yourdomain.com) is added to ...
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397 views

How to configure old Windows clients to use NTLMv2 when connecting to a Windows 7 network share?

So we have a shared folder on a Win7 machine which can be accessed from only Vista or later, but apparently reject older clients with error 58. The reason is that Win7 forces NTLMv2 protocol while ...
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1answer
187 views

How to track rogue workgroups or domains

I have a strong feeling one of our desktop support techs is doing this, but I want to see if I can track this down before I start accusing people. I just dont know how... While logging into a local ...
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1answer
2k views

For password protected Samba share on home network, ntlm vs ntlmv2 vs krb5 (kerberos)?

I have a home network with wifi that is password protected. On my home network, I have a file server with a password protected Samba share. The share itself is protected because my network has ...
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966 views

Apache ntlm_auth helper authentication without basic/digest

Under Apache server I'm trying make ntlm authentication (sso with windows domain) for web pages, but I want revoke basic/digest authentication. It is possible? Must I write wrapper? For config below ...
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1k views

How do you get the cookie of a website after an HTTPS NTLM authentification?

I am trying to store a cookie (which will help me authentificate myself elsewhere) given by a website after an authentification. The case is as follow: Get to the HTTPS page Get redirected by httpd ...
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1answer
20k views

How to change Local Security Policy with Win 8 Home using registry

Hi I have attached a USB external Drive to my new TG582n Router. Fantastic, no messing every Computer and devices with access to the network can now use the drive. All but My Windows 8.1 desktop. It ...
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5answers
130k views

How to configure Firefox for NTLM SSO (Single-Sign-On)?

My computer and user belonging to the domain, I want to connect to my NTLM-SSO-enabled intranet website http://intranet without providing a login/password. How to do it with Mozilla Firefox?
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1answer
2k views

Why doesn't windows authentication work with host alias'?

Normally accessing a Windows share is accomplished using a UNC path e.g. \\server\share where "server" is the real hostname of the Windows machine. \\server.domain.com\share also works. However ...
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2answers
54k views

How to enable NTLM for all intranet sites in Firefox?

I know I can add specific URLs in the network.authmatic-ntlm-auth.trusted-uris and separate them by comma delimiters, but I would like to enable NTLM for all intranet sites. I tried http://* and http:/...
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1k views

cntlm password : special characters

I just got cntlm for my Windows 7 (86) It runs on cmd line and also as service, but i am not able to initiate on command line with my proxy password as it contains special characters. Any way to get ...
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2answers
5k views

Non-domain computer authenticating on a domain computer to use SMB/CIFS shares

Long story short: One of my home servers has a share called "Profiles", in which everyone here has their own folder (of which they can only access) they can use to sync or backup their Windows profile ...
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2answers
6k views

How can Safari do SPNEGO authentication using default kerberos ticket?

We have a Web site (out intranet site) that uses pass though authentication and signs people in automatically. This application works seamlessly when using a Windows machine. All of our Windows ...
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520 views

The authentication mechanism is unknown

I'm attempting to authorize access to a third party program by checking their credentials against Active Directory using NTLM. This solution has been working for a long time - as it a rolled out ...
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2answers
16k views

Connecting to an SSH server from Client behind an NTLM Proxy

I'm trying to get to my SSH server on the internet from a corporate network. All connections to the outside internet have to be proxied through a server that check's for the NTLM hash of each client ...
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6k views

NTLM Proxy - HTTPS Alternative to CNTLM?

I worked with a proxy at my office that I need to have applications use. Of course its using NTLM, and that's blocking a lot of stuff from using their default/built-in proxies. I've got Maven, ...
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674 views

How can I get Fiddler to watch traffic through CNTLM [closed]

EDIT: I don't know what I did before but it seems to work ok now. I'm not seeng traffic form TortoiseHg but that's no major loss. Traffic from the browser is fine. I've voted to close this question. ...
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1answer
35k views

Windows 8 security policy “LAN Manager Authentication Level”

I can't get into one of our enterprise apps and the app administrator told me I need to change the LAN Manager Authentication Level to "Send NTLM Responses Only". That normally happens via group ...
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3answers
11k views

The server 127.0.0.1:3128 requires a username and password. The server says : cntlm for parent

I have just installed cntlm on my new Ubuntu 12.04. In configuration file etc/cntlm.conf, I inserted my network configure like below: Username: myUsername Domain : myDomain Password: myPassword ...
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1answer
6k views

How inaccurate must the clock's time be for NTLM requests to be denied due to the time being incorrect?

We have a network where the time on some of the client workstations is inaccurate. There is a problem with NTP on the clients or domain controllers causing the time to not synchronize. We are ...
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4answers
2k views

Firefox NTLM clear on Windows logout

My network uses Kerio WinRoute Firewall 6 and is configured to authenticate HTTP requests using built in Active Directory accounts. That means every computer gets sent an NTLM auth challenge when ...
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5answers
5k views

Perl Package Manager via NTLM proxy

I've installed ActivePerl and the include PPM at work, but I'm unable to get it connect to the module repository through the proxy. I've set up an environment variable HTTP_PROXY = http://user:pass@...
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0answers
239 views

Download file behind Integrated Windows Auth from command line

I'm looking for a way to be able to download the contents of a particular url that's protected behind Integrated Windows authentication from a computer that is a member of the domain, using the ...
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1answer
5k views

enabling LM hash in Windows 7

Is there any way to enable/convert an NTLM hash for a user account on Windows 7 to a LM hash? I know it's not secure, but I am trying to test something. Is it even possible?
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MDT deployment of Dell OEM Windows XP Pro stumped by NTLMv2 requirement

We're working on a deployment system that uses iPXE to boot a LiteTouch PE image created by Microsoft Deployment Toolkit (MDT) 2010, which then deploys Windows XP or Windows 7 to the clients. No ...
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1answer
3k views

Using Windows credentials with TortoiseSVN?

We are a bunch of Subversion users logging in on our Windows computers with Windows domain accounts. I can set up a Subversion server on another machine in the same domain. I want to use our Windows ...
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85k views

Why does Internet Explorer keep asking me for NTLM credentials in an intranet zone?

Long text, sorry for that. I'm trying to be as specific as possible. I'm on Windows 7 and I experience a very frustrating Internet Explorer 8 behavior. I'm in a company LAN with some intranet servers ...
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1answer
8k views

How do I configure NTLM authentication in Firefox on Linux?

Our IT department have NTLM deployed through the intranet servers. I've set network.automatic-ntlm-auth.trusted-uris value in Firefox on some of the Windows machines and that works fine. However ...
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1answer
7k views

Opera always re-requests proxy authentication after restart

Both 9.xx and 10.xx versions of Opera are re-requesting proxy auth after the browser restarts. The login and password inputs are already filled in so I need just click OK button but I need to do this ...
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1answer
666 views

What does the “Enable NTLMv2” option mean in a Windows tweaker?

I'm going over some options in a Windows Tweaker and one of them is "enable NTLMv2". I've looked this up a bit, but the main question I have: how can I benefit from this, and does it work if not ...