Windows · Free download · Networking

Cntlm0.92.3

Cntlm : Authentication proxy that you can use

Operating system
Windows 10/11
File size
1.3 MB
License
GNU Public License
Last updated
May 1, 2026

59 downloads·420 page views

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Overview

What is Cntlm?

Cntlm : Authentication proxy that you can use

In depth

A closer look at Cntlm

Cntlm was built as a NTLM / NTLM Session Response / NTLMv2 authenticating HTTP proxy that is mainly intended to help the user break free from Microsoft's proprietary world chains. Cntlm stands between your applications and the corporate proxy, adding NTLM authentication on-the-fly. You can specify several "parent" proxies and Cntlm will try one after another until one works. All authenticad connections are cached and reused to achieve high efficiency. Just point your apps proxy settings at Cntlm, fill in cntlm.conf (cntlm.ini) and you're ready to do. This is useful on Windows, but essential for non-Microsoft OS's.

Verdict

Should you download Cntlm?

Cntlm runs on Windows 10/11 and is available under the GNU Public License license — the installer is 1.3 MB. We’ve catalogued it under Networking.

Verified clean. Every Cntlm build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance

Cntlm specifications

Category
Networking
Publisher
David Kubicek
Last updated
May 1, 2026
License
GNU Public License
Operating system
Windows 10/11
File size
1.3 MB
Price
Free
Page views
420

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