Adding exceptions for SSL errors

• ssl_error_no_cypher_overlap

  1. In the address bar type about:config > Enter > I’ll be careful, I promise!

  2. In the search bar type security.tls.insecure_fallback_hosts

  3. Double-click security.tls.insecure_fallback_hosts

  4. Add the hostname of the server. If there are multiple servers, separate them with commas

  5. Click OK

• ssl_error_weak_server_ephemeral_dh_key

  1. In the address bar type about:config > Enter > I’ll be careful, I promise!

  2. In the search bar type security.ssl3.dhe_rsa_aes

  3. Double-click each item (security.ssl3.dhe_rsa_aes_128_sha and security.ssl3.dhe_rsa_aes_256_sha) so the Value is false

• ssl_error_weak_server_cert_key
  • There is no workaround. You must regenerate the server certificate with a key size of at least 2048