Disable TLS 1.0 and 1.1 via GPO
Summary
Disabling TLS 1.0/1.1 (and Triple DES) on Windows via GPO: set the SCHANNEL protocol Enabled DWORDs to 0. The post notes this is server-side only and doesn't restrict outbound client connections.
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- Collected
--- id: 3746 title: "Disable TLS 1.0 and 1.1 via GPO" source_domain: projectblack.io source_url: "https://projectblack.io/blog/disable-tls-1-0-and-1-1-via-gpo/" published_at: "2025-03-29 06:58" tags: ["windows-server", "tls", "hardening", "gpo", "schannel"] phying_url: "https://phying.com/item/3746" lang: en --- # Disable TLS 1.0 and 1.1 via GPO ## Summary Disabling TLS 1.0/1.1 (and Triple DES) on Windows via GPO: set the SCHANNEL protocol Enabled DWORDs to 0. The post notes this is server-side only and doesn't restrict outbound client connections. ## Intelligence Metadata - **Sources:** projectblack.io - **Published:** 2025-03-29 06:58 - **Original:** https://projectblack.io/blog/disable-tls-1-0-and-1-1-via-gpo/ - **Phying News:** https://phying.com/item/3746