On 08/06/2018 21:02, Andy K wrote: > June 30, 2018 is the deadline for disabling SSL/early TLS and > implementing a more secure encryption protocol – TLS 1.1 or higher > (TLS v1.2 is strongly encouraged) in order to meet the PCI Data > Security Standard (PCI DSS) for safeguarding payment data. > > For Firefox and Seamonkey > > In about:config, set security.tls.version.min to 2 to prevent > protocols lower than TLS 1.1 from being used. > > Reference: http://kb.mozillazine.org/Security.tls.version.*
FWIW, one of the largest banks in France seems to be stuck using TLS 1.0 Trying to connect to https://particuliers.secure.lcl.fr/ leads to this error message: """ Secure Connection Failed An error occurred during a connection to particuliers.secure.lcl.fr. Peer using unsupported version of security protocol. Error code: <a id="errorCode" title="SSL_ERROR_UNSUPPORTED_VERSION">SSL_ERROR_UNSUPPORTED_VERSION</a> The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem. """ https://www.ssllabs.com/ssltest/analyze.html?d=particuliers.secure.lcl.fr This server supports weak Diffie-Hellman (DH) key exchange parameters. Grade capped to B. MORE INFO » The server supports only older protocols, but not the current best TLS 1.2. Grade capped to C. MORE INFO » This server accepts RC4 cipher, but only with older protocols. Grade capped to B. MORE INFO » This server does not support Forward Secrecy with the reference browsers. Grade capped to B. MORE INFO » This server does not support Authenticated encryption (AEAD) cipher suites. Grade capped to B. MORE INFO » When will these people take security seriously? Regards. _______________________________________________ support-seamonkey mailing list support-seamonkey@lists.mozilla.org https://lists.mozilla.org/listinfo/support-seamonkey