Die Funktionalität dieser Website ist durch Wartungsarbeiten eingeschränkt, die Ihr Erlebnis verbessern sollen. Wenn ein Artikel Ihr Problem nicht löst und Sie eine Frage stellen möchten, können Sie unsere Gemeinschaft über @FirefoxSupport auf Twitter, /r/firefox oder Reddit fragen.

Hilfe durchsuchen

Vorsicht vor Support-Betrug: Wir fordern Sie niemals auf, eine Telefonnummer anzurufen, eine SMS an eine Telefonnummer zu senden oder persönliche Daten preiszugeben. Bitte melden Sie verdächtige Aktivitäten über die Funktion „Missbrauch melden“.

Weitere Informationen

Error message recieved when applying TLS/SSL

  • 5 Antworten
  • 2 haben dieses Problem
  • 53 Aufrufe
  • Letzte Antwort von cor-el

more options

When I am trying to update my Mozilla.cfg and add preferences I receive the attached error message when I apply the following settings:

LockPref("security.enable_tls", true);

LockPref("security.enable_ssl2", false)

LockPref("security.enable_ssl3", false);

lockPref("security.tls.version.min", "2");

lockPref("security.tls.version.max", "3");


in addition to the issues with adding TLS, SSL, and TSL min/max version, I also received the same error message when I try to apply the following lines:

lockPref("browser.history_expire_days_min", "40");

lockPref("browser.history_expire_days_min", "40");


Running the most current version of Firefox (at the time I created this post) 61.0.1


Error message in case the attachment doesn't work:

Netscape.cfg/AutoConfig failed. Please contact your system administrator.

Error: defaultPref failed: [Exception... "Component returned failure code: 0x8000ffff (NS_ERROR_UNEXPECTED) [nsIPrefBranch.setStringPref]"  nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)"  location: "JS frame :: prefcalls.js :: defaultPref :: line 53"  data: no]
When I am trying to update my Mozilla.cfg and add preferences I receive the attached error message when I apply the following settings: LockPref("security.enable_tls", true); LockPref("security.enable_ssl2", false) LockPref("security.enable_ssl3", false); lockPref("security.tls.version.min", "2"); lockPref("security.tls.version.max", "3"); in addition to the issues with adding TLS, SSL, and TSL min/max version, I also received the same error message when I try to apply the following lines: lockPref("browser.history_expire_days_min", "40"); lockPref("browser.history_expire_days_min", "40"); Running the most current version of Firefox (at the time I created this post) 61.0.1 Error message in case the attachment doesn't work: Netscape.cfg/AutoConfig failed. Please contact your system administrator. Error: defaultPref failed: [Exception... "Component returned failure code: 0x8000ffff (NS_ERROR_UNEXPECTED) [nsIPrefBranch.setStringPref]" nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)" location: "JS frame :: prefcalls.js :: defaultPref :: line 53" data: no]
Angefügte Screenshots

Geändert am von chwest90

Ausgewählte Lösung

hi, don't put quotation marks around integer values. in addition you can leave out the browser.history_expire_days_min preference, it is outdated and won't have any effect...

edit: also it's "lockPref" - you'll have to be careful with capitalization in this file

Diese Antwort im Kontext lesen 👍 1

Alle Antworten (5)

more options

Ausgewählte Lösung

hi, don't put quotation marks around integer values. in addition you can leave out the browser.history_expire_days_min preference, it is outdated and won't have any effect...

edit: also it's "lockPref" - you'll have to be careful with capitalization in this file

Geändert am von philipp

more options

Great, thanks Philipp that worked for the min/max version, but what about the "enable_tls", "enable_ssl2", and "enable_ssl3" ?

edit reply: I do have all my lines set to "lockPref" it appears my web browser helped itself to some auto-capitalization.

Geändert am von chwest90

more options

i think those prefs are outdated and won't do anything in modern firefox versions either. you'll already achieve your goal by setting

lockPref("security.tls.version.min", 2);
lockPref("security.tls.version.max", 3);
more options

is there any way to still set it using Mozilla.cfg? I have very specific instructions to apply these settings. If not, I can simply submit for an exception, but I would still like to try make it work.

more options

SSL2 support was removed in Firefox 8.

SSL3 support was removed in Firefox 39.

These prefs are no longer supported since Firefox 23.

lockPref("security.enable_tls", true);
lockPref("security.enable_ssl2", false)
lockPref("security.enable_ssl3", false);

Bug 733642 - Allow the user to enable any version of TLS that libssl supports, maintaining our current defaults [23]

#733642#c1: This patch drops support for the security.enable_tls and security.enable_ssl3 prefs with new prefs security.tls.version.min and security.tls.version.max.