C Stamp On the "Add certificate Exception" warning, what to check to keep Thunderbird's security default: "Confirm security exception" or "Cancel?"
When the dialog box "Add certificate exception" comes up with the warning "You are about to override how Thunderbird identifies this site," which is the safe box to check?
I want to stay with Thunderbird's security system. Do I check "Confirm Security Exception" or "Cancel"?
Unfortunately, some sites do not maintain their certificates properly. So basically if you trust the site, you can confirm the exception. If it is an unknown site or you are not sure about it, then Cancel. Of course if you don't confirm the exception, you won't be able to see/use the site.
Similar Messages
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How to script the add certificate exception in Firefox 32.0.2 ?
Hi,
I meet some issues with the Firefox certificates management. Here is my context:
- Firefox v32.0.2 on Windows 7 32 bits
- a self-signed certificate created with OpenSSL 32 bits
- Firefox and self-signed certificate have been deployed on 11000 workstations with some automated process (scripts).
The self-signed certificate is used to securize data flows with https protocol between two WebServices and different applications. There is no security problem with Internet Explorer, Safari, Chrome.
I have already deployed and installed the self-signed certificate with an Microsoft Active Directory GPO (there is an addon GPO for FireFox) and it is OK
Issue:
When the application WebService calls Firefox, a message indicates to the users that the connection can't be certified and ask them to add an exception.
the WS URL is appeared and the users must click on "Confirm security exception" (the checkbox "Conserv this exception permanently" must be checked)
It is a bit "dangerous" to let the users with these different choices and this is not very friendly.
So, I want to create a script which automates all these manipulations and deploy this script with a GPO.
Is it possible ? How can I script this certificate exception and the different choices?
Thanks a lot by advance for your help
Best regards
YanolezardThis is not the GPO approach but an alternative: [https://support.mozilla.org/en-US/questions/984237]
Other resources:
*[http://mbrownnyc.wordpress.com/2013/06/04/leverage-group-policy-to-manage-certificates-in-users-firefox-certificate-store/]
*There are also a number of admins that answer questions on their mailing list for the ESR (enterprise) version of Firefox. [https://www.mozilla.org/en-US/firefox/organizations/] -
please i love mozilla and there is times what i want to translate any text from english to spanish but nothing i tve tried all the adds to translate but no load they is installed in my browser but simply dont work. tell me what can i do ?
Everyone reading your posts here is just another MacBook Pro user. We're all volunteers, not Apple employees. No one here can speak for Apple.
In my personal opinion, buying Apple products in a country where Apple has no stores and no corporate presence is a risk that the buyer takes knowingly. I don't think it's a wise risk, and I don't recommend that anyone take it. A small percentage of the products sold anywhere are going to have problems, and it makes more sense to buy an inferior product that can at least be serviced locally than to buy a superior product that may have to be sent thousands of miles for repair if anything ever goes wrong with it. -
Since downloading Yosemite 10.10.1 on my MacBook Pro and Mac desktop I have had email problems. When linking to the server a popup message appears saying "The identity of POP3.knology.net cannot be verified." It may be another server is attempting to steal the data. My email server says this is an apple problem that they've seen with 10.10.1 (They may just be passing the buck) but they can't solve it. The self-signed server is "map.example.com" which expired on Friday, Nov 2, 2012.
Your email provider is using a self-signed certificate? LOL.
This is not an Apple issue. Somebody has their certificate screwed up, and OS X is doing the right thing to protect you.
It _is_ possible for you to go to the certificate and explicitly trust it, always, even though it's an invalid and/or expired certificate. That will probably address the issue. But this "map.example.com' has "screwed up" written ALL OVER IT. -
Can't add a certificate exception in Firefox 4.0, relevant buttons are disabled
I try to access a web site from a local network via HTTPS. The web server uses self-signed certificates, and Firefox presents a common "This connection is untrusted" window.
In version 3.x I simply clicked "Add Exception", and then "Confirm Security Exception". In Firefox 4.0, when I click "Add Exception", I see:
# "This site provides valid, verified verification. There's no need to add an exception".
# The "Permanently store this exception" checkbox and the "Confirm Security Exception" button are disabled.
I cannot access this protected site anymore. Any suggestions?There seems to be a work around to add exception.
You have to manually go to Tools -> Options -> Advanced -> View Certificates -> Servers -> Add Exception
Then the "Add Certificate Exception" window comes up. Just enter the URL at location https:// and click "Get certificate". Then "Add Security Exception".
This will allow you to access the site thereafter.
I'm not sure though why "Add Exception" button under the "I understand the rsiks" page does not work. May be a bug. -
My McAfee SiteAdvisors is activated but doesnt show in the add-on bar. I double checked the situation under « Tool, Add-on, Extensions » and the add-on is enable. Also the « Add-on bar » is activated.The green McAfee SiteAdvisor button dissapeared after firefox update 16.02. I updated to 17 in case it would resolve the problem with no success. McAfee is still working by giving a warning page if I try to go on a suspiscious site.
Also in google search result I no longer get the little McAfee evaluation icones.suggest you to re-install siteadvisor pluggin or u can find it under customize toolbar options...
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I am using Windows 7. Internet Explorer and Chrome work fine. I know this relates to certificates, but The one Firefox is one created by Fiddler and it had name DONT TRUST. I deleted it from Firefox certificates but each time Firefox keeps finding it. I have validated the websites certificate. How do I get Firefox get rid of this certificate and get the right certificate?
Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware.
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware:<br>http://www.malwarebytes.org/mbam.php
*AdwCleaner:<br>http://www.bleepingcomputer.com/download/adwcleaner/<br>http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware:<br>http://www.superantispyware.com/
*Microsoft Safety Scanner:<br>http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender:<br>http://windows.microsoft.com/en-us/windows/using-defender
*Spybot Search & Destroy:<br>http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan:<br>http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller:<br>http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked
*https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware -
i am trying to use my account to purchase but i forget my security questions and also i gave the wrong email address. What can i do?
Apple ID security issues -
Call Apple Care and ask for the Account Security Team. They can assist you with your issue. -
My mother was having problems with her computer on the Internet and had to reset the modem. Problem was, I was on the Internet at the time using Twitter. She reset the modem, I thought everything was okay, but now Firefox isn't letting me access Twitter at all because of the security certificate. Here's the error message:
This Connection is Untrusted
You have asked Firefox to connect
securely to twitter.com, but we can't confirm that your connection is secure.
Normally, when you try to connect securely,
sites will present trusted identification to prove that you are
going to the right place. However, this site's identity can't be verified.
What Should I Do?
If you usually connect to
this site without problems, this error could mean that someone is
trying to impersonate the site, and you shouldn't continue.
twitter.com uses an invalid security certificate.
The certificate is not trusted because the issuer certificate is not trusted.
The certificate is only valid for gateway.2wire.net
(Error code: sec_error_untrusted_issuer)
gatway.2wire.net is the default error page for my modem, if the Internet is not working at all. I think the problem here is that now Firefox thinks the legitimate site for Twitter is the error page and not, well, Twitter.com. Also, I'm not getting any "add exception" option. How do I fix this?Clear the cache and the cookies from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > Cookies: "Show Cookies" -
Hello. The company website I use has moved to a new server. The new server required some changes apparently, and now I am receiving the message CompanyXYZ.net:987 uses an invalid security certificate. The certificate is not trusted because it is self-signed. The certificate is only valid for Now, on 1 of my 3 computers, I received the I understand the risks, and an option to Add an Exception. However, on the other 2 computers, I simply receive the previously described popup window and no option to proceed. Any suggestions would be appreciated. Thank you for your genius.
== URL of affected sites ==
private company serverI already have the browser.uxl.error_pages.enabled setting set to true, but I still do not get the option to add an exception for an internal certificate. I'm trying to connect to the iLO port on an HP server. Thanks.
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Can't add a certificate exception in Firefox 4.0 - "add exception" button do nothing
I am opening web site with untrusted certificate. I would like to accept this certficate, so I click "Add exception" button. Unfortunately, confirmation dialog do not show up. In fact nothings happends. This problem is relevant to all websites with untrusted certificates.
Going through the preferences to add a certificate is a workaround and not intuitive to users. The Add Exceptions button used to bring up a popup in Firefox version 3.5.9 that allowed you to add an exception for the server:port in my case. Is there a way to get the Add Exception button to work in Firefox version 3.6.12, it currently does nothing which is totally confusing to the user.
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The "add exception" block isn't active
The "add exception" block isn't active in the "I understand the risks." section of Untrusted Connection. I had to use IE to access my wireless router? Any suggestions?
I'm running Firefox 17.0.1 under Win 8.
Keith Brewerhey keith, does the following article help?: [[Certificate contains the same serial number as another certificate]]
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I have been using this computer and firefox to access my yahoo mail for like 4 years now, but today it decided to stop allowing it, due to a problem with the security certificate. It says: "This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate." I checked my email successfully early today, but now I can't. I can still get it with internet explorer, but not firefox. How do I fix this?
Take easy and follow some steps:
click on link: mail.yahoo.com
if not opening then can you find there a notification like "blocked"
if yes : Click on that and then select continue without block or any option like that.
Then click the upper yahoo link again .
if you succeeded ,please click on solution,
if not <sub>Edited out by a Moderator, please do not advertise for work</sub> <!--just mail me with your problem. --> <!-- Please do not reverse this edit to invite email contact [https://support.mozilla.org/en-US/messages/new?to=john99 my pm link] -->
[edit} Please continue the thread using [/questions/1038806#question-reply] ~J99 <br>
thanks -
I need to connect to a ProLiant iLO (management controller) using fedora 21 with FF v36.0 and get the message:
Secure Connection Failed
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
FF no longer provides details about why it decided not to proceed, but I presume that the iLO certificate cannot be verified. Apparently there is no mechanism for allow me, the competent user, to add an exception.
The mozilla developers, praised by their name, have decided to build a car that refuses to take the driver to some destinations.
Here's a tip for others: add this repository for Opera and use Opera. It doesn't dictate to the user:
--start of /etc/yum.repos.de/ruario_opera.repo--
[home_ruario_opera]
name=Opera packages (Fedora_21)
type=rpm-md
baseurl=http://download.opensuse.org/repositories/home:/ruario:/opera/Fedora_21/
gpgcheck=1
gpgkey=http://download.opensuse.org/repositories/home:/ruario:/opera/Fedora_21/repodata/repomd.xml.key
enabled=1
--end--
and leave the Mozilla developers to stew in their own juices.
TreefrobIncorrectly configured server. i.e. missing intermediate chain certificate. IE can download automatically, but Mozilla can't, hence the cert error. As far as why it randomly decides it is valid sometimes prior to you try to add a security exception I don't know.
http://www.sslshopper.com/ssl-certificate-not-trusted-error.html -
I am trying to access an https site and am getting a "This connection is untrusted" message. I am willing to bypass, but when I click the Add Exception button and then try to click the Confirm Security Exception button, nothing happens.
unfortunately the do_not_trust certificates might be a sign of unwanted software present on your pc that is intercepting secure network traffic. please go into the system control panel and uninstall programs like BrowserSafeguard, BrowserSafe, SafeGuard or other software that sounds suspicious and didn't get installed by you intentionally.
<br><sub>reference: https://support.mozilla.org/en-US/questions/982532#answer-520145</sub>
afterwards, run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner].
[[Troubleshoot Firefox issues caused by malware]]
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