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In Firefox 38.5, how do I ensure it will only use tls 1.2 and not fallback to lower versions or ssl?

已張貼

I'm using Firefox 38.5 on CentOS 5.6. My current settings in about:config are as follows: security.tls.version.fallback-limit = 3 security.tls.version.max = 3 security.tls.version.min = 1

Are these settings already correct to only allow tls 1.2 or do I need to change the min value to 3 as well?

I'm using Firefox 38.5 on CentOS 5.6. My current settings in about:config are as follows: security.tls.version.fallback-limit = 3 security.tls.version.max = 3 security.tls.version.min = 1 Are these settings already correct to only allow tls 1.2 or do I need to change the min value to 3 as well?

被選擇的解決方法

You would have to set security.tls.version.min = 3 if you really only want to enable TLS 1.2 Note that this will break servers that do not support TLS 1.2

0 means SSL 3.0, 1 means TLS 1.0, 2 means TLS 1.1, 3 means TLS 1.2 etc.

從原來的回覆中察看解決方案 4

額外的系統細節

應用程式

  • User Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; InfoPath.3; .NET4.0C; .NET4.0E)

更多資訊

cor-el
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17567 個解決方法 158896 個答案

選擇的解決方法

You would have to set security.tls.version.min = 3 if you really only want to enable TLS 1.2 Note that this will break servers that do not support TLS 1.2

0 means SSL 3.0, 1 means TLS 1.0, 2 means TLS 1.1, 3 means TLS 1.2 etc.

You would have to set security.tls.version.min = 3 if you really only want to enable TLS 1.2 Note that this will break servers that do not support TLS 1.2 * http://kb.mozillazine.org/security.tls.version.* 0 means SSL 3.0, 1 means TLS 1.0, 2 means TLS 1.1, 3 means TLS 1.2 etc. *Browser test: https://www.ssllabs.com/ssltest/viewMyClient.html *SSleuth: https://addons.mozilla.org/firefox/addon/ssleuth/

由 cor-el 於 修改

提出問題者

Thanks - excellent answer.

Thanks - excellent answer.