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IIS Crypto GUI 4.0.18.0, released by Nartac Software Inc., is a security-configuration utility designed to simplify the management of Transport Layer Security settings on Microsoft Windows servers that rely on the IIS (Internet Information Services) platform. The program presents a single-window graphical interface that enumerates every cipher suite, protocol version, hashing algorithm, and key-exchange mechanism the operating system can expose, letting administrators enable or disable items through checkboxes instead of manual registry edits or complex command-line tools. Typical use cases include bringing an existing web server into compliance with PCI-DSS, NIST, or CIS benchmarks, disabling legacy protocols such as SSL 2.0/3.0 and TLS 1.0 to mitigate known vulnerabilities, ordering cipher suites to enforce perfect forward secrecy, and applying server-side TLS hardening templates that coincide with browser security updates. Because the tool modifies the Schannel subsystem at the OS level, any changes affect not only IIS but also Remote Desktop, SMTP, SQL Server, and other Windows services that depend on Schannel, making it a convenient centralized solution for heterogeneous server environments. A built-in Best Practices button instantly loads a pre-vetted configuration recommended by Nartac, while the Templates menu allows exporting settings to an.xml file for consistent deployment across farms. Reverting modifications is equally straightforward: administrators can reload the Windows default profile or a previously saved template without restarting the server, reducing downtime during iterative hardening cycles. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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