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Many secure sites fail to load when behind firewall with IPS.

In our organization we are using a firewall which has an Intrusion Prevention System. The IPS has a certificate which must be imported into the browsers to be able to loa… (閱讀更多)

In our organization we are using a firewall which has an Intrusion Prevention System. The IPS has a certificate which must be imported into the browsers to be able to load SSL websites. This allows the IPS to inspect the contents of secure packets for any malware or viruses. The problem is this isn't working very well with Firefox. Most secure sites bring up one of the following errors:

Secure Connection Failed The connection to <website> was interrupted while the page was loading. The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

OR

Secure Connection Failed An error occurred during a connection to <website>. SSL peer rejected a handshake message for unacceptable content. (Error code: ssl_error_illegal_parameter_alert) The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

Does anyone have any suggestions on how to get Firefox to work in this environment?

Chris_00 於 4 年前 詢問

FredMcD 最近回覆 於 4 年前

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Unable to install SAP browser certificate in FF 40.0.3.

I am running Windows 10 with Firefox 40.0.3. If any more information is needed, just ask. I go to the SAP Support page and log in with my credentials. I then proceed to… (閱讀更多)

I am running Windows 10 with Firefox 40.0.3. If any more information is needed, just ask.

I go to the SAP Support page and log in with my credentials. I then proceed to 'Simplify my Login.' When I click on 'Download and Install a Browser Certificate,' I receive a page saying there is an 'Authorization Error.' I had no issues with this using previous versions of Firefox. Any help would be greatly appreciated.

fizzgib 於 4 年前 詢問

fizzgib 最近回覆 於 4 年前

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Can I delete the certificates from china, and europe financial institutions. I don't know why they are there.

I can't log into mozilla. It keeps saying it sent me a password and it didn't. Also I saw certificates from financial institutions in china and europe as well as some o… (閱讀更多)

I can't log into mozilla. It keeps saying it sent me a password and it didn't. Also I saw certificates from financial institutions in china and europe as well as some other certificate I don't think should be on there. Are they necesary? Can I take them off?

Puluihu 於 4 年前 詢問

cor-el 最近回覆 於 4 年前

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Problem when trying to access facebook. Error code: ssl_error_access_denied_alert

I get this message whenever I try to enter facebook: An error occurred during a connection to www.facebook.com. Peer received a valid certificate, but access was denied. … (閱讀更多)

I get this message whenever I try to enter facebook: An error occurred during a connection to www.facebook.com. Peer received a valid certificate, but access was denied. (Error code: ssl_error_access_denied_alert)

I've tried a number of solutions including changing security.tls.version.max to 0.

Anyway to fix this other than formatting the whole drive (which seems a bit exaggerated)?

Samuel Maclay 於 4 年前 詢問

guigs 最近回覆 於 4 年前

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it keeps coming up that firefox has blocked the page from showing...then i have to click on "allow" it just started doing this...how do i stop it??

almost every time i go to a page (ebay, google,etc) it keeps coming up the firefox has blocked this page from showing...then i have to click on "allow"...and it goes thru… (閱讀更多)

almost every time i go to a page (ebay, google,etc) it keeps coming up the firefox has blocked this page from showing...then i have to click on "allow"...and it goes thru ok. it just started doing this...how do i stop it? thanks also my laptop is VERY slow...

nupeedog3 於 4 年前 詢問

FredMcD 最近回覆 於 4 年前

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"This Connection is Untrusted" error window for youtu.be

And many other URLs, including Mozilla (!), so Firefox 40+ does not work (and I had the same problem on 38.0.1). I am using Yosemite (OS 10.10.5) on a MacBook Pro, but I … (閱讀更多)

And many other URLs, including Mozilla (!), so Firefox 40+ does not work (and I had the same problem on 38.0.1). I am using Yosemite (OS 10.10.5) on a MacBook Pro, but I had this same problem using OS 10.7.5. This is the message I get:

"This Connection is Untrusted

"You have asked Firefox to connect securely to youtu.be, 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.

"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."

"Technical Details: "youtu.be uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer)"

Sometimes I get a page, such as the mozilla.org page, which has no graphics and is in bare outline form.

stiffsage 於 4 年前 詢問

stiffsage 最近回覆 於 4 年前

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Firefox not letting go in websites!!!

If my brother trys to go in facebook, roblox, google. It just blocks. Says its dangerous. This is problem. my old computer what has firefox can acess websites. Can you H… (閱讀更多)

If my brother trys to go in facebook, roblox, google. It just blocks. Says its dangerous. This is problem. my old computer what has firefox can acess websites. Can you Help?

MegaHello 於 4 年前 詢問

jscher2000 最近回覆 於 4 年前

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Yahoo mail gives untrusted connection error

When I log into Yahoo mail on Firefox 40.0.3 (on Windows 7) on my company-supplied laptop, I get this message: "You have asked Firefox to connect securely to us-mg5.mail.… (閱讀更多)

When I log into Yahoo mail on Firefox 40.0.3 (on Windows 7) on my company-supplied laptop, I get this message: "You have asked Firefox to connect securely to us-mg5.mail.yahoo.com, but we can't confirm that your connection is secure."

I cannot create an exception: "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."

The "technical details" section states: "us-mg5.mail.yahoo.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer)"

This does not happen at home, so the company laptop has something to do with it, but, even on the company laptop I do not have this problem when using Chrome, so it's not that the company does not allow access to outside mail.

On Firefox, the problem is intermittent. Sometimes, there is no problem and everything works fine. Clearing history/cookies/cache and restarting does not fix the problem. It sometimes goes away on its own for a little while, but then returns.

I have searched every database I could for answers, but have found no solution yet. The computer clock is correct, I'm not using Avast, etc. (some of the other situations I've run across).

I hope that I can get this resolved, because I'd rather keep using FF, which I've used for years, than switch to Chrome.

Thanks for your help, in advance.

GrishaTigger 於 4 年前 詢問

jscher2000 於 4 年前 解答

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Is the URL: ce.lijit.com a legitimate firefox certificate to be installed?

My security carrier says "cannot guanantee authenticity of the domain to which encrypted connection is established. Application: Firefox, URL: ce.lijit.com. Authorizat… (閱讀更多)

My security carrier says "cannot guanantee authenticity of the domain to which encrypted connection is established. Application: Firefox, URL: ce.lijit.com. Authorization for this certificate chain was cancelled. Do I allow or disconnect?

newtothesystem 於 4 年前 詢問

Seburo 最近回覆 於 4 年前

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Firefox fails https with vpn

I'm using F-secure Freedom for my VPN. I noticed that Firefox (only Firefox) cannot connect to any httpS sites as it tells me the certificate for any site (Google for ex… (閱讀更多)

I'm using F-secure Freedom for my VPN. I noticed that Firefox (only Firefox) cannot connect to any httpS sites as it tells me the certificate for any site (Google for example) is invalid.

Changing the proxy settings within Firefox does not help. Doesn't matter if I use current, beta, or developer build either.

SociallyUncensored 於 4 年前 詢問

jscher2000 最近回覆 於 4 年前

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Unable to connect to secure website

Since upgrading to Win10, I can no longer sign into Amazon or several https websites. I've checked all the usual stuff and nothing works. What could be causing this? … (閱讀更多)

Since upgrading to Win10, I can no longer sign into Amazon or several https websites. I've checked all the usual stuff and nothing works. What could be causing this?

erikwi 於 4 年前 詢問

cor-el 最近回覆 於 4 年前

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I'm tired of not getting to the sites I want to get to

I'm trying to get to https://mail.gmail.com And your program is completely blocking me. I can't even and go add an exception for the server because it says it can't find … (閱讀更多)

I'm trying to get to https://mail.gmail.com

And your program is completely blocking me. I can't even and go add an exception for the server because it says it can't find the certificate. I don't care if you can't find the certificate. I guess I'll IE or chrome for this. Unfortunate, Firefox used to be my favorite.

Personally, I much prefer how IE says, I can't validate the certificate, continue (not recommended) or leave the site. Your program only blocks and doesn't give an option to proceed. even with Fiddler installed I can't identify what site it's tryig to get the certificate from. So, your dialog is useless to me.

Also, other secure websites are giving me problems your program.

nottocd 於 4 年前 詢問

jscher2000 最近回覆 於 4 年前

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why is firefox suddenly stopping a web site I've been using for months

For months I've been using Youpic.com and all of a sudden you tell me it's not authentic? Why ?? I've never had a problem with it!! It's my computer I should be able to… (閱讀更多)

For months I've been using Youpic.com and all of a sudden you tell me it's not authentic? Why ?? I've never had a problem with it!! It's my computer I should be able to log into or go to any site I want!!

michmelle 於 4 年前 詢問

FredMcD 最近回覆 於 4 年前

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frequently will not load web pages

Dear Firefox Support: Your last to version updates have been horrible. I frequently click on wen pages in my favorites and immediately get "Page Can Not be Loaded". You… (閱讀更多)

Dear Firefox Support:

Your last to version updates have been horrible. I frequently click on wen pages in my favorites and immediately get "Page Can Not be Loaded". Your web browser did not do this before your last 2 or 3 browser updates. Can you please get this fixed ASAP.

Thank you sincerely for your time.

With kind regards,

Lloyd Peters

Grove City, OH 43123 614-900-1627

perfect-pc-oh 於 4 年前 詢問

FredMcD 最近回覆 於 4 年前

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why does youtube.com not load?

When I try to go to youtube.com i get a message saying it is an untrusted connection. Does anyone have any Idea why? OR how to fix it? … (閱讀更多)

When I try to go to youtube.com i get a message saying it is an untrusted connection. Does anyone have any Idea why? OR how to fix it?

moranb 於 4 年前 詢問

cor-el 最近回覆 於 4 年前

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You blocked UnitedHealthCare.com, this is a secure site. I need this for my work. I will have to change browsers now.

I am a medical insurance biller. I downloaded Windows 8, and Mozilla Firefox so that I could use United Healthcare Authorizations because they stopped allowing use on Go… (閱讀更多)

I am a medical insurance biller. I downloaded Windows 8, and Mozilla Firefox so that I could use United Healthcare Authorizations because they stopped allowing use on Google Chrome. I tried to get on the site, and the message I received was:

"An error occurred during a connection to saml2.radiologynotifications.com. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key)

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem."  

When I looked this up, it said that your site said this was a malicious site and blocked it. This is a secure site. And I need this site for my work. I have been doing this for 15 years, and If I cannot use this I will be forced to use another browser.

Can you please help me?

Mightyhunter 於 4 年前 詢問

jscher2000 最近回覆 於 4 年前

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SSL certificate expired -- "I know the risk" is not an option. How do I access the site?

I got the "This Connection is Untrusted" error on a website I use daily. In the past, there have been 2 options at the bottom of the page -- "Get me out of here" and "I … (閱讀更多)

I got the "This Connection is Untrusted" error on a website I use daily. In the past, there have been 2 options at the bottom of the page -- "Get me out of here" and "I know the risk". Choosing "I know the risk" lets you access the sight, but it is no longer an option. How do I access sites with expired certificates? I need to work daily with several NYS websites that have expired certificates.

MEH1 於 4 年前 詢問

Mark Schmidt 最近回覆 於 4 年前