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Firefox blocks a site that Safari and Edge don't block

  • 3 antwurd
  • 1 hat dit probleem
  • 13 werjeftes
  • Lêste antwurd fan rmraya

rmraya
rmraya
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Hi,

I can open this site with Safari and Microsoft Edge without problems: https://dev.maxprograms.com:8000/

Certificate is properly read and displayed on request.

Firefox refuses to open the site and displays this error: SSL received a record with an incorrect Message Authentication Code. Error code: SSL_ERROR_BAD_MAC_READ

I'm absolutely sure the certificate is fine and working. Firefox is able to open another URL in the same server that uses that certificate. The only difference is the server software (one uses Tomcat and the other plain Java 11)

Can anybody tell me what is wrong?

Thanks, Rodolfo

Hi, I can open this site with Safari and Microsoft Edge without problems: https://dev.maxprograms.com:8000/ Certificate is properly read and displayed on request. Firefox refuses to open the site and displays this error: SSL received a record with an incorrect Message Authentication Code. Error code: SSL_ERROR_BAD_MAC_READ I'm absolutely sure the certificate is fine and working. Firefox is able to open another URL in the same server that uses that certificate. The only difference is the server software (one uses Tomcat and the other plain Java 11) Can anybody tell me what is wrong? Thanks, Rodolfo

Keazen oplossing

It works if I disable TLS 1.3

  • security.tls.version.max = 3
  • 1 means TLS 1.0; 2 means TLS 1.1; 3 means TLS 1.2; 4 means TLS 1.3;

I think that TLS 1.3 is more strict then previous TLS version and refuses to connect if there is a problem.

Dit antwurd yn kontekst lêze 👍 1

Alle antwurden (3)

FredMcD
FredMcD
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error code: ssl_error_bad_mac_read See if this helps; https://support.mozilla.org/en-US/questions/1032303

Web search https://www.bing.com/search?q=SSL_ERROR_BAD_MAC_READ

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Keazen oplossing

It works if I disable TLS 1.3

  • security.tls.version.max = 3
  • 1 means TLS 1.0; 2 means TLS 1.1; 3 means TLS 1.2; 4 means TLS 1.3;

I think that TLS 1.3 is more strict then previous TLS version and refuses to connect if there is a problem.

rmraya
rmraya Fraacheigener
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Setting security.tls.version in Firefox to 3 helped.

Now I need to learn how to tell the server to set that value.

Thanks!