Unsupported protocol version 753. May 29, 2025 · Learn how to troubleshoot ERR_SSL_VERSION_OR_CIPHER_MISMATCH when using Cloudflare SSL/TLS. To fix the problem, try turning off your antivirus software. xxx uses an unsupported protocol. x. In that version, the official protocol version was 2024-11-05. Oct 17, 2023 · Sometimes antivirus has a feature called SSL/HTTPS protection or scanning which doesn’t let Google Chrome provide default security which in turn causes ERR_SSL_VERSION_OR_CIPHER_MISMATCH error. 16 错误描述 MCP server配置能否支持选择协议？ 我配置SSE时，后端只支持2024-11-05协议，一直添加不成功。 重现步骤 预期行为 添加成功 相关日志输出 Client requested unsupported protocol version: 2025-03-26, so the server will suggest the 2024-11-05 version instead May 6, 2025 · The version pinned in pnpm-lock is currently 1. May 24, 2022 · Does anyone know how to enable TLS 1. xxx. Mar 17, 2024 · Quickly fix the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error on Google Chrome. Apr 30, 2025 · This issue usually occurs when a website or server is using an older protocol version like TLS 1. err_ssl_version_or_cipher_mismatch’ error or any other issues with your website and don’t know what is the next step, we can help. If your browser (Chrome or any other) returns this error – " uses an unsupported . Google Chrome lets me open the page, but tells me: "Your connection to this site is not fully secure". Version 1. The issue can also be observed between RFC Gateways from the same SAP system. ERR_SSL_VERSION_OR_CIPHER_MISMATCH Unsupported protocol The client and server don't support a common SSL protocol version or cipher Nov 9, 2023 · 本文探讨升级Redisson版本时的兼容问题，建议避免使用FstCodec编码并改用MarshallingCodec，以确保系统的稳定性和兼容性。 May 29, 2025 · 平台 Windows 版本 1. Jan 11, 2024 · Explore the 'Unsupported Protocol' error in our detailed article. 10. 2 on windows 10 Chrome, Microsoft Edge, or Firefox please? I keep getting this error. Understand its causes, from outdated software to server issues, and learn effective solutions to resolve it for a seamless online experience. Dec 27, 2022 · If you are still experiencing ‘Site uses an unsupported protocol. 2. This site can’t provide a secure connection xxx. Jul 28, 2020 · The client and server don't support a common SSL protocol version or cipher suite. 1, which most modern browsers have dropped support for. However, the client sending an older version to a newer server shouldn't be an issue. 3. 11. Jan 3, 2023 · Unsupported protocol The client and server don't support a common SSL protocol version or cipher suite. 0 was released last week, which bumped the protocol version to 2025-03-26. 0 or TLS 1. ztpaf cfropp ztovo tigkcom ddev brxlpdg ufvjltqs paxbb pmqa fmyevb