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ui_login_tls 2024-01-18 ui_login_tls 2025-06-16 (current)
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Using //Minimum// and //Maximum %%TLS%% version// selections, you can configure what versions of TLS is WinSCP allowed to use. Using //Minimum// and //Maximum %%TLS%% version// selections, you can configure what versions of TLS is WinSCP allowed to use.
-The %%TLS%% 1.0 and 1.1 are disabled by default, //in the latest beta version,// &beta to protect you from their known serious vulnerabilities. Enable them only, if the server does not support newer versions. You may want to restrict minimum %%TLS%% version further, in order to prevent WinSCP from using versions of %%TLS%% protocol that may become weak or insecure in the future. //The latest beta version does not support insecure SSL protocol of any version.// &beta+The %%TLS%% 1.0 and 1.1 are disabled by default, to protect you from their known serious vulnerabilities. Enable them only, if the server does not support newer versions.((Enabling %%TLS%% 1.0 a 1.1 has an additional side effect of lowering OpenSSL security level. That allows use of insecure keys even with higher protocol versions.)) You may want to restrict minimum %%TLS%% version further, in order to prevent WinSCP from using versions of %%TLS%% protocol that may become weak or insecure in the future. The insecure SSL protocol of any version is not supported.
You may want to restrict maximum %%TLS%% version, when there is an interoperability problem with your server. Particularly %%TLS%% 1.3 is new and some servers do not implement it correctly. You may want to restrict maximum %%TLS%% version, when there is an interoperability problem with your server. Particularly %%TLS%% 1.3 is new and some servers do not implement it correctly.

Last modified: by martin