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I have a "SSL_ERROR_NO_CYPHER_OVERLAP" message for a page i used to open. What can i do?

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I use firefox, version 48.0.2 in a MAC OS X 10.6.8

I have the following messages these last months from sites i've already used in the past...

"Échec de la connexion sécurisée Une erreur est survenue pendant une connexion à metabook.gr. Impossible de communiquer en mode sécurisé avec le pair : aucun algorithme de chiffrement en commun. Code d’erreur : SSL_ERROR_NO_CYPHER_OVERLAP

   La page que vous essayez de consulter ne peut pas être affichée car l’authenticité des données reçues ne peut être vérifiée.
   Veuillez contacter les propriétaires du site web pour les informer de ce problème."

and

"La connexion n’est pas sécurisée Le site web a essayé d’accéder à un niveau de sécurité inapproprié. www.nationalopera.gr fait appel à des technologies de sécurisation obsolètes et vulnérables aux attaques. Un attaquant pourrait facilement révéler des informations que vous pensiez être sécurisées. L’administrateur du site web devra d’abord corriger le serveur avant que vous puissiez visiter le site. Code d’erreur : NS_ERROR_NET_INADEQUATE_SECURITY"


Apparently there is no obvious option to divert this notification, so i cannot visit these sites any more... I've tried Safari which opens the 2nd site but not the first...

I know that my software and hardware version are old, but how can i trick the machine or, if i may, solve the problem, in order to do my job?

Thank you!!!

I use firefox, version 48.0.2 in a MAC OS X 10.6.8 I have the following messages these last months from sites i've already used in the past... "Échec de la connexion sécurisée Une erreur est survenue pendant une connexion à metabook.gr. Impossible de communiquer en mode sécurisé avec le pair : aucun algorithme de chiffrement en commun. Code d’erreur : SSL_ERROR_NO_CYPHER_OVERLAP La page que vous essayez de consulter ne peut pas être affichée car l’authenticité des données reçues ne peut être vérifiée. Veuillez contacter les propriétaires du site web pour les informer de ce problème." and "La connexion n’est pas sécurisée Le site web a essayé d’accéder à un niveau de sécurité inapproprié. www.nationalopera.gr fait appel à des technologies de sécurisation obsolètes et vulnérables aux attaques. Un attaquant pourrait facilement révéler des informations que vous pensiez être sécurisées. L’administrateur du site web devra d’abord corriger le serveur avant que vous puissiez visiter le site. Code d’erreur : NS_ERROR_NET_INADEQUATE_SECURITY" Apparently there is no obvious option to divert this notification, so i cannot visit these sites any more... I've tried Safari which opens the 2nd site but not the first... I know that my software and hardware version are old, but how can i trick the machine or, if i may, solve the problem, in order to do my job? Thank you!!!

Mehr Details zum System

Installierte Plugins

  • DivX Web Player version 3.2.4.1250
  • DivX VOD Helper Plug-in
  • Facebook Video Calling by Skype
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
  • Displays Java applet content, or a placeholder if Java is not installed.
  • Ce module vous permet de visualiser le contenu multimédia de nombreux sites web. Pour plus d’informations, consultez le site QuickTime.
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • Shockwave Flash 32.0 r0
  • 5.1.40728.0
  • iPhoto6

Anwendung

  • Firefox 48.0.2
  • User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:48.0) Gecko/20100101 Firefox/48.0
  • Hilfe-URL: https://support.mozilla.org/1/firefox/48.0.2/Darwin/fr/

Erweiterungen

  • Amazon Assistant for Firefox 10.1701.20.543 (abb@amazon.com)
  • Désactivation de Google Analytics 1.0.7 ({6d96bb5e-1175-4ebf-8ab5-5f56f1c79f65})
  • Firefox Hello 1.4.4 (loop@mozilla.org)
  • Multi-process staged rollout 1.1 (e10srollout@mozilla.org)
  • Personas Plus 1.8.3 (personas@christopher.beard)
  • Pocket 1.0.4 (firefox@getpocket.com)
  • SaveFrom.net Helper 7.61 (helper-sig@savefrom.net)
  • uBlock Origin 1.13.8 (uBlock0@raymondhill.net)
  • Video DownloadHelper 6.3.1 ({b9db16a4-6edc-47ec-a1f4-b86292ed211d})
  • Yandex Search 1.0.13 (quicksearch@yandex.ru)

JavaScript

  • incrementalGCEnabled: True

Grafiken

  • adapterDescription:
  • adapterDeviceID: 0x2a02
  • adapterDrivers:
  • adapterRAM:
  • adapterVendorID: 0x8086
  • driverDate:
  • driverVersion:
  • info: {u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'none', u'AzureContentBackend': u'skia'}
  • numAcceleratedWindows: 2
  • numTotalWindows: 2
  • supportsHardwareH264: No
  • webglRenderer: Intel Inc. -- Intel GMA X3100 OpenGL Engine
  • windowLayerManagerRemote: True
  • windowLayerManagerType: OpenGL

Veränderte Einstellungen

Verschiedenes

  • User JS: Nein
  • Barrierefreiheit: Nein
philipp
  • Top 25 Contributor
  • Moderator
5315 Lösungen 23470 Antworten
Veröffentlicht

hi, those websites are requiring modern security/encryption standards which weren't implemented yet back in the old version of firefox 48. i fear this will be inevitably getting more and more common when staying on an outdated browser version.

depending on your hardware you might be able to update to a newer version of macos where current firefox builds are still able to run: https://support.apple.com/HT206886 Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8

hi, those websites are requiring modern security/encryption standards which weren't implemented yet back in the old version of firefox 48. i fear this will be inevitably getting more and more common when staying on an outdated browser version. depending on your hardware you might be able to update to a newer version of macos where current firefox builds are still able to run: https://support.apple.com/HT206886 [[Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8]]
cor-el
  • Top 10 Contributor
  • Moderator
17537 Lösungen 158576 Antworten
Veröffentlicht

Maybe a VPN is able to act as an intermediate between such websites and your older computer. This website only supports TLS 1.2 and a few modern cipher suites.

You can check your browser.

Maybe a VPN is able to act as an intermediate between such websites and your older computer. This website only supports TLS 1.2 and a few modern cipher suites. *https://www.ssllabs.com/ssltest/analyze.html?d=metabook.gr&latest You can check your browser. *https://www.ssllabs.com/ssltest/viewMyClient.html

Fragesteller

Thank you, i opened the two links, as far as i can understand, one is for analyzing the site and the other my browser. Where do i have to search for the incompatibility?

Also, where do i find a vpn and how do i install it? Is there any for free?

Thanks for the reply!

cor-el said

Maybe a VPN is able to act as an intermediate between such websites and your older computer. This website only supports TLS 1.2 and a few modern cipher suites. You can check your browser.
Thank you, i opened the two links, as far as i can understand, one is for analyzing the site and the other my browser. Where do i have to search for the incompatibility? Also, where do i find a vpn and how do i install it? Is there any for free? Thanks for the reply! ''cor-el [[#answer-1202878|said]]'' <blockquote> Maybe a VPN is able to act as an intermediate between such websites and your older computer. This website only supports TLS 1.2 and a few modern cipher suites. *https://www.ssllabs.com/ssltest/analyze.html?d=metabook.gr&latest You can check your browser. *https://www.ssllabs.com/ssltest/viewMyClient.html </blockquote>

Fragesteller

philipp said

hi, those websites are requiring modern security/encryption standards which weren't implemented yet back in the old version of firefox 48. i fear this will be inevitably getting more and more common when staying on an outdated browser version. depending on your hardware you might be able to update to a newer version of macos where current firefox builds are still able to run: https://support.apple.com/HT206886 Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8


Thank you! I cannot update my version though....

''philipp [[#answer-1202872|said]]'' <blockquote> hi, those websites are requiring modern security/encryption standards which weren't implemented yet back in the old version of firefox 48. i fear this will be inevitably getting more and more common when staying on an outdated browser version. depending on your hardware you might be able to update to a newer version of macos where current firefox builds are still able to run: https://support.apple.com/HT206886 [[Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8]] </blockquote> Thank you! I cannot update my version though....