Public key certificate - also digital certificate or identity certificate. A document that contains information about a user's or machine's identity, matched up with its public key, and is validated and cryptographically signed by a certificate authority. Certificates are intended to provide a ...

learn more… | top users | synonyms (1)

0
votes
0answers
6 views

How do I fix the SSL warning and I can not access github site

I see the following warning when visiting https://www.github.com/ and also, I can not access github site. I have try all latest browser(firefox, chrome, IE9+, Opera). I have already remove browser ...
0
votes
0answers
31 views

Expired web/SSL certificate error on only one computer

I have a strange problem with one website's SSL certificate that only affects one computer. The site works fine on other computers with no error. I do not own or administer the website, but because ...
43
votes
1answer
2k views

Firefox “Untrusted Connection” warnings when visiting reputable HTTPS sites when using child's account

When using Firefox on Windows, I see an "Untrusted Connection" warning when visiting any HTTPS site, including very reputable ones such as https://www.google.com and https://search.yahoo.com. The ...
2
votes
2answers
44 views

How do I configure my system to trust a CA for a specific subset of domains?

The company I work for has a number of internal web services accessible over HTTPS. These services use SSL/TLS certificates signed by an internal certificate authority which is only trusted by ...
-1
votes
0answers
18 views

OpenSSL CA use CSR's supplied extensions

I've set up a CA with OpenSSL on my old BSD-computer. No problem at all. But if I sign a CSR, how can I adopt the x509v3 extensions submitted with the CSR? The only way I know is either to include the ...
0
votes
0answers
24 views

I am not able to access any google related sites from Google Chrome? [duplicate]

I am not able to access youtube or gmail etc. It shows this "Invalid Server Certificate You attempted to reach www.youtube.com, but the server presented an invalid certificate. Help me ...
8
votes
1answer
8k views

Tortoise SVN Error Validating Server Certificate

I just updated the certificate on one of my sites due to the old one expiring. The new certificate verifies fine in Internet Explorer 9, Chrome, and Firefox 4 - but when trying to browse/check out the ...
-1
votes
0answers
50 views

Outside office MS Outlook client can't connect to our exchange server with self signed certificate

I am unable to get my outlook to connect to the exchange server when outside the office. I'd love to have my home office computer have my emails like my laptop does. We use a self signed certificate. ...
0
votes
4answers
3k views

Certificate not trusted over Win7 to Win7 Remote Desktop connection

I'm experiencing a certificate issue while connecting two Windows 7 machines together via Remote Desktop. I have installed the certificate, but I'm getting a message that says the cert is not trusted. ...
4
votes
1answer
183 views

How to make computer (or user) trust signed software

I have an application, which I sign and timestamp using a code-signing certificate issued by thawte, with intermediate authority Thawte code signing CA - G2. The signature is OK (as it shows in file ...
0
votes
1answer
19 views

Unable to verify the certificate from StartSSL?

I'm new to OpenSSL and I'm unable to verify the certificate from StartSSL. The command that I tried in order to verify the certificate is: openssl verify -CAfile ca.pem mydomain.com.crt The error ...
8
votes
4answers
35k views

Continually getting https Certificate Errors on all browsers

I recently switched to a new laptop running Windows 7. For some reason I am constantly getting certificate errors when hitting sites where I really shouldn't be getting them - twitter, picasa, google ...
1
vote
0answers
14 views

Hang when launching digitally signed executable

We have a weird problem on 2 PCs with running a digitally signed 120 Mb executable. If user launches a digitally signed .exe - then the launching host (e.g. Explorer or cmd.exe) will enter infinite ...
0
votes
1answer
9k views

Identifying program attempting to install certificate on windows

I'm trying to help a friend using Windows (which I'm not an expert on by any means) who's experiencing malware-like behavior: a dialog box is repeatedly popping up reading: You are about to ...
0
votes
1answer
16 views

Using powershell, how do I extract the thumbprint from an SSL Certificate without installing it?

Every example I've found on StackExchange, and other internet forums, etc all tell me how to get the thumbprint from a certificate already installed into a certificate store. Alternatively, the ...
0
votes
0answers
15 views

How should a wildcard certificate be used? [migrated]

I have a wildcard certificate (pfx file) and I have doubts on how to use that. Should I install that on all of my application servers or alternatively create a new certificate and sign it with the ...
2
votes
0answers
15 views

How can I sign an MS Word macro with a digital certificate from the local machine certificate store?

I am trying to find out how I can digitally sign a Microsoft Word macro using a valid 3rd party CA issued VBA code-signing certificate that is installed into the machine rather than the user ...
0
votes
1answer
35 views

Install root certificate authority on Ubuntu [duplicate]

First off I am not sure whether I have the correct terminology. What I mean by certificate authority is a verified certificate distributor such that if I goto a website in my Browser that is HTTPS ...
0
votes
0answers
30 views

osx 10.10 with Java 8 allow application with expired certificate

I´m trying to install Atlasstyler (http://en.geopublishing.org/) on a osx 10.10 box with java 8- update 25 installed. Trying to run the installer (Version 1.9 201403170926) ends in following deny ...
0
votes
0answers
25 views

Import Certification for 3rd party Engine to IBM Application Server 7.0.35

I used 3rd party module in my system called (/n) slash n, This module have its own certification, As a temporary solution I added this certification to JDK directry. How I can add this certification ...
2
votes
3answers
3k views

Creating a signing certificate for Outlook 2010 under Windows 7

I'm trying to create a S/MIME signing certificate for Outlook 2010 under Windows 7. I've gone into Options -> Trust Center (see below) to try and set it up but when I attempt to select the signing ...
0
votes
2answers
35 views

Certificate Errors with bad Date Time settings

I have recently solved an issue with IE 11 where I was getting certificate errors to google.com bing.com was fine no problems I tried a number of different things till seeing a post referring to ...
4
votes
2answers
11k views

how to get and use certificates with curl

1) Entering the following command curl -k email@mail.com:password https://www.site.com Returns the following error <HTML><HEAD><meta http-equiv="content-type" ...
13
votes
1answer
456 views

Many websites seem to be switching Root Certificates [closed]

For the past few days, I have been noticing that many websites which use the "GTE CyberTrust Global Root" root certificate have been moved to the "GlobalSign Root CA" root cert. I've noticed this on ...
55
votes
4answers
92k views

How to save a remote server SSL certificate locally as a file

I need to download an SSL certificate of a remote server (not HTTPS, but the SSL handshake should be the same as Google Chrome / IE / wget and curl all give certificate check fail errors) and add the ...
0
votes
1answer
26 views

DNSCrypt not working - server certificate possibly expired

I have been using DNSCrypt for a few days (used this guide to install dominustemporis.com/2014/05/dnscrypt-on-windows-update/) and it has been working fine for a few days. Today I switched on my ...
-1
votes
0answers
39 views

Encrypted alert with code 21 for connection [closed]

I've got a device that connected to the server and successfully did the handshake and received application data, however later when client sends keep-alive requests server sends back encrypted alert ...
0
votes
0answers
13 views

Issues with adding new root certificate in windows 8.1

I'm trying to implement my own self signed certificate for testing purposes but I'm running into some issues with Windows 8.1 on my computer. For some reason the certmgr.msc doesn't give me the option ...
0
votes
1answer
56 views

Exchange 2010 Certificate Renewal

I am still learning how to configure Exchange 2010, so I hope that you can help me on some topics. The certificate for mail.xxxxxx.com has expired. The previous IT guy had OWA set up on the server, ...
0
votes
1answer
283 views

How to turn off Opera security incomplete certificate message?

While I'm browsing the Internet, Opera always pop out a lots of these Server certificate chain incomplete boxes. Several times it pops out tons of them . Even if I click to remember my choice or ...
3
votes
1answer
43 views

How to configure Firefox to warn or reject SHA-1 signed certificates?

Is there a way to configure Firefox either through an add-on, plugin, or other setting that will either reject or warn whenever it encounters a certificate that has been signed using SHA-1?
6
votes
1answer
453 views

How to know which Certificates to leave in my browser, and which to remove

I would like to tighten up security a bit, so I am disabling unneeded certs from my browsers. For instance, the "WoSign CA Limited" cert from China I obviously don't need, yet "Thawte Consulting cc" I ...
0
votes
1answer
41 views

How to avoid having users enroll for multiple certificates?

I am the domain administrator of my company. Recently one of my clients has re-installed his Windows and received a new certificate from CA, but the key pair of certificate is not same with previous ...
0
votes
0answers
197 views

Windows Live Mail, Sec. Exception on an Account

I have one email account that have a unaccepted certificate. The Thunderbird, and Opera can handle this with a Security Exception. But Windows Live Mail ask a question in every starting, and because ...
0
votes
1answer
30 views

Importing StartSSL Key

A few months ago I signed up for a Free StartSSL certificate but I didn't realize that you needed to install that certificate if you wanted to later log in to the control panel. Now I'm stuck trying ...
6
votes
8answers
22k views

Firefox: This connection is untrusted + Behind corporate firewall

I've seen some similar issues strewn throughout Google's results about this, but none seem to be corporate-specific. I continually get the 'This connection is untrusted' screen every time I attempt ...
16
votes
3answers
24k views

How to bypass the “secure connection failed” warning in Firefox 33

Since installing Firefox 33 a "Secure Connection Failed" error is no longer bypassable using the "I Understand the Risks" button - it's gone! Is it still somehow possible to ignore certificate ...
4
votes
1answer
1k views

Signing PDFs in linux

I'm trying to digitally sign PDFs server-side. So far I found that I can do this using MyPDFSigner, but it's far from my needs. Also I don't believe that this is the only option here. How to sign ...
2
votes
1answer
3k views

How to properly install certificate issued to me?

I tried various ways to install certificate, but it seems it either not being seen by linux or something else is wrong. I got .pfx to be able to connect to another server via vpn (need to use Cisco ...
18
votes
1answer
14k views

How do I view the contents of a PFX file on Windows?

I have a PFX certificate file on my machine and I'd like to view the details before importing it. (The import utility doesn't actually tell you what the certificate is!). How do I view the details ...
3
votes
2answers
4k views

Trust SSL certificate to local system account

I have the following need: A windows service needs to connect to a svn repository through https. The service needs also to run as local system account for IO permissions on the machine. Now when the ...
0
votes
1answer
33 views

Are URL based SSL / certificates possible at IIS?

Is there a way to change the used certificate / ssl encryption depending on the visited url? We are using IIS 7 and later. Edit: We plan to develop and deploy web applications to our customers. It ...
0
votes
1answer
124 views

IE10: Website security certificate issue + “continue” button missing

I am developing a web app and am using self-signed SSL certificates. I'm trying to test my site on Internet Explorer 10 in a modern.ie VM (in VirtualBox). When I visit the site, ...
0
votes
2answers
46 views

how to change ssl certificate serial number

I upgraded the linux full release on a server. As part of the process I generated a new local ssl certificate key set with genkey. However the serial number remained the same and client apps such as ...
1
vote
2answers
936 views

Save certificate to use with lftp

How can I save a certificate for use with lftp? The certificate in question is not accepted by lftp when downloaded from the server. I tried openssl s_client -connect {HOSTNAME}:21 -showcerts ...
0
votes
0answers
30 views

How can I get my company proxy's root certificate (with Firefox)?

I'm facing a similar problem as in Firefox: This connection is untrusted + Behind corporate firewall that is, I'm getting "this connecting is untrusted" whenever I try to connect via https, as ...
0
votes
0answers
34 views

Do I need to regenerate certificates on master in order to use centralized CA in Puppet

I have a set up where I use two monolithic PE-Puppet 3.3.2 installations as puppet masters. I need to make one of these a CA and the other just a master for nodes. The nodes should not contact CA ...
0
votes
0answers
11 views

How to bulk extract personal certificates on Windows?

We are upgrading computers to Win7 and I've found a computer with 300+ personal certificates and we need to save all of them. Is there a way to bulk export them?
3
votes
3answers
2k views

Mutt will not let me save an SSL certificate

I have just set up Mutt to connect to my firm's IMAP and SMTP server. Everything works; but when I launch mutt, I get a warning about the certificate, and am given the option to: (r)eject, accept ...
2
votes
3answers
5k views

Reset messed up certificate data in Firefox and Thunderbird?

I am running Firefox 7.0.1 and Thunderbird 7.0.1 on Mac OS X 10.6.8. I was exploring/nosing around their Preferences, and deleted many Authorities in the Certificate Manager. Afterwards I started to ...