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 ...

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Can AVG 2015's Online Shield be used Chrome (and not give NET::ERR_CERT_DATE_INVALID)?

I am using AVG 2015. If I enable Online Shield, websites that use some of Google's API's (including StackExchange sites) become unavailable and start displaying a NET::ERR_CERT_DATE_INVALID error ...
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1answer
1k views

OpenSSL Error: Error loading extension section server

The system is Fedora fc21. The objective is to run the examples shown here: “APACHE web server and SSL authentication” The openssl.cnf file has been created and the following command run: openssl ...
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2answers
27 views

Signed application fails to launch

On a particular Windows Vista PC, all programs signed with a particular certificate fail to launch from explorer, when it verifies the publisher. Only for a second or two, the hour glass is visible, ...
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90 views

expired certificates and chrome

Yesterday I've visited a website for the first time, but now Chrome raises an error when I connect to this website. The error is: the connection is not private - ERR_CERT_DATE_INVALID So I tried to ...
3
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1answer
821 views

What is causing warning on a certificate's basicConstraints?

I created a self signed server certificate using OpenSSL's req -x509 command and a CONF file. The CONF file is shown below. When I examine the certificate using Microsoft certificate viewer, its ...
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1answer
291 views

Firefox stopped working with our app after 36.0.1

We have a web application that works on all browsers and firefox before 36.0.1 Have done all the typical things, clearing cache, reinstalling ff, etc. Multiple different machine from different ...
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1answer
2k views

How to fix chrome certificate issues after removing Fiddler root cert

I don't know very much about certificates, and I don't want to break anything trying to resolve this - so asking for some suggestions. At some point agreed to let Fiddler install an HTTPS certificate ...
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43 views

How to get the organization name from a .p12 certificate?

I have a .p12 certificate and I need to find out the organization name of it. How to do that? (I'm using Windows 8.1)
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2answers
195 views

One SSL Certificate Two Services

I'm having trouble finding a clear answer to this question: In IIS (7.5 or 8) I plan on hosting a site that will have a bunch of secure HTML eforms (default port 443). They will be performing ajax ...
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3answers
6k views

Export installed certificate and private key from a command line remotely in Windows using something besides the certmgr.MSC tool

I need to be able to remotely export an installed computer certificate with the full certificate chain and private keys on a Windows server. The cert is used for IIS, and I want to use it for an ...
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1answer
679 views

How to use .pfx in certificate store in CURL for Windows 7

I want to use cURL to access a remote server, and I need to identify myself using a private key or the remote server gives a 401 "Unauthorized". I'm on Windows 7 (work machine, not my choice) and my ...
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1answer
336 views

Imported CA certificate to Firefox Browser not working

I created Certificate Authority (CA) according to Ubuntu help using openssl. After creating a certificate for Apache2 and adding to certificate to it, I want to import it in Firefox. In the end of ...
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0answers
290 views

nginx http to https proxy with self-signed certificate

I have an nginx proxy to redirect http requests with a specified port to another https url. Here is my configuration so far: server { listen 59848; location / { resolver 8.8.8.8; ...
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1answer
32 views

Is there any point signing/encrypting personal email? [closed]

It works fine for corporate mail where everyone in the organization would have a certificate issued to them, but does anyone use certificates to sign their personal mail (let alone use encryption ...
2
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1answer
80 views

How can I prevent a certificate from being trusted?

There exist two certificates in /etc/ssl/certs that I'd like to permanently remove. However, just deleting the pem files doesn't do it - those are regenerated when ca-certificates is updated. How ...
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1answer
2k views

keytool commands to replace existing SSL certificate?

I've a linux centos server running glassfish 3.1.2 app server. The default certs coming from GlassFish install for ports 4848 and 8181 are 1024 bits. I need to replace these with 2048 bits versions. ...
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6k views

Some clients get 'Certificate-based authentication failed' error on a cert, w/ all browsers

I'm hosting multiple SSL sites on multiple Ubuntu / LAMP servers. The servers have quite standard setup, eg. no client certificate configuration is in place. The vast majority of users are fine, but ...
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0answers
622 views

Self signed certificate, https and vpn

I have access to an SBS 2011 server that has a self signed certificate. In my computer (win 7 pro) that is outside the domain, I have imported the root certificate and the leaf certificate into ...
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1answer
47 views

SSL certificate for Web App + website

I have a WordPress + WooCommerce online store which is hosted on a managed hosting. I just bought non-wildcard SSL Certificate for that online store. I am also developing a CherryPy Python Web App ...
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1answer
85 views

Windows certificate viewing, why 2048-bit certificate shown as 270 byte?

I'm a bit confused by how Windows certificate viewer displays public key hexdump. Windows shows 270 bytes for a 2048-bit public key(which is 256 byte). While Firefox 31 display right 256 bytes. And ...
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1answer
406 views

Google chrome doesn't display personal certificate

I'm testing some webservices that use certificates for authentication. So basically I've added to certificate store some custom root CA and some client certificate to personal folder. When I open ...
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0answers
124 views

Validate a PADES document with expired certificate

I have a problem. I have a PDF that has been signed with a certificate, and then it has been put a timestamp with a TSA. I want to validate this document, but now, the certificate which it was used ...
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1answer
595 views

Pure-FTPD certificate not being used

I am using Pure-FTPD from the epel repository on CentOS 6. Now I have configured to enable TLS which works fine however for some reason it wont make use of the certificate file I have placed in /etc/...
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1answer
97 views

How to configure shrewsoft vpn in windows with multilevel certificates

I have a linux box already connected with racoon to the same VPN using the same certificates no problem. From windows, it says "unable to verify remote peer certificate" and I believe it is because I ...
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1answer
3k views

certificate errors via chrome and IE

When trying to access gmail.com via chrome I get this error message: Net::ERR_CERT_INVALID The same error message appears with ninite.com or twitter.com - drive.google.com, youtube.com or ...
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1answer
394 views

Firefox/Thunderbird export public key

I have imported a .p12 file inside Firefox/Thunderbird, now I would like to export its public key (without using openssl or whatever command line code), so I can distribute it and people can encrypt/...
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1answer
1k views

Facebook.com returning invalid security certificate

I am on a network which is secured by Cyberroam in my University. Recently, they have made some changes to their security policy and have 'blocked' facebook.com. I kind of used to think that ...
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1answer
65 views

Trouble with certificate checking on a closed network

I'm managing a Active Directory domain with about a hundred Windows 7 clients running IE9. The network does not have access to the Internet, but do have the ability to access a vendor web application. ...
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2answers
2k views

get Firefox to trust expired Charles CA Certificate

When I use the security certificate supplied by Charles Proxy in Firefox (35.0) to decrypt SSL traffic, it results in Firefox showing The certificate is not trusted because the issuer certificate ...
2
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1answer
81 views

Should I trust download.oracle.com if my certificate does not match?

I've been getting this every time I try to download a JDK 8 update to my MacBook. First, I go here: http://www.oracle.com/technetwork/java/javase/downloads/index.html I click the download location ...
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1answer
923 views

Why won't Lync 2013 connect when I am on an office network, but if I tether it to my iPhone, it works fine?

If I connect to the network via the office network (either office Wifi or ethernet), Lync 2013 will not connect. It states: However, if I connect my laptop to either the Wifi network from the ...
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1answer
390 views

Firefox import PEM certificate chain fails

I am trying to import a cert chain into Firefox 31.3 ESR. The origin chain is a p7b file which I have converted with OpenSSL to PEM format. curl happily accepts that chain and establishes the ...
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1answer
398 views

Mumble Server (Murmur) 3rd Party SSL Installation on Ubuntu

I recently purchased a wildcard certificate for my website and would like to also add it to my murmur server but I am having trouble finding out the proper steps to take to do this. The certificate I ...
4
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1answer
6k 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 Windows 7 operating system. The site works fine on other Win 7 computers with no error, pulling valid ...
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0answers
25 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 ...
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4answers
13k 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 ...
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2answers
3k 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 ...
2
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1answer
74 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 (...
26
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2answers
4k views

What is the superfish SSL certificate and where did it originate

I recently bought a new laptop, every https:// connection I do to any site regardless of browser chain back to a root certificate issued by "superfish, inc". I have had a dig around but I can't seem ...
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1answer
2k 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 ...
2
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0answers
335 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 ...
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2answers
214 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 ...
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1answer
417 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 ...
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0answers
515 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 ...
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1answer
1k 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 ...
4
votes
1answer
707 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?
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1answer
2k 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, https://localIPaddress:...
0
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2answers
395 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 ...
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1answer
51 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 ...
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1answer
85 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?