This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Este fío arquivouse. Faga unha nova pregunta se precisa axuda.

Firefox blocking access to printer admin

  • 2 respostas
  • 1 has this problem
  • 1 view
  • Last reply by StevenS

StevenS
StevenS
more options

I have installed a Ricoh printer which I access (for printing etc) by an Ethernet connection. My router gives the printer an IP address through DHCP but when I try to log into the admin functions on the printer Firefox gives me the message: Error code: SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY Despite the comment on the Mozilla help pages there is no option to "Report errors like this to help Mozilla ..." and it's definitely not a malicious website.

I have installed a Ricoh printer which I access (for printing etc) by an Ethernet connection. My router gives the printer an IP address through DHCP but when I try to log into the admin functions on the printer Firefox gives me the message: Error code: SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY Despite the comment on the Mozilla help pages there is no option to "Report errors like this to help Mozilla ..." and it's definitely not a malicious website.
Capturas de pantalla anexas

Chosen solution

Hi StevenS, try disabling two ciphers and see whether the printer has an alternate way to connect:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button accepting the risk.

(2) In the search box above the list, type or paste SSL3 and pause while the list is filtered

(3) Double-click the security.ssl3.dhe_rsa_aes_128_sha preference to switch the value from true to false

(4) Double-click the security.ssl3.dhe_rsa_aes_256_sha preference to switch the value from true to false

Ler a resposta no contexto 👍 0

All Replies (2)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
more options

Chosen Solution

Hi StevenS, try disabling two ciphers and see whether the printer has an alternate way to connect:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button accepting the risk.

(2) In the search box above the list, type or paste SSL3 and pause while the list is filtered

(3) Double-click the security.ssl3.dhe_rsa_aes_128_sha preference to switch the value from true to false

(4) Double-click the security.ssl3.dhe_rsa_aes_256_sha preference to switch the value from true to false

StevenS
StevenS Question owner
more options

Thanks. I can get to the printer admin functions but I still have to go past a "Potential Security Risk" screen. At least I can get where I need to get.