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Sample X.509 Certificate File to Test OpenSSL
How can I get a X.509 certificate file to play with OpenSSL commands "x509" command? If you have no other easy way to get a sample X.509 certificate file, you can create one yourself using these steps: 1. Open "Notepad" with a black text file. 2. Copy and paste the following data into the "Notepad" ...
2012-07-23, 8562👍, 0💬

View Website Server Certificate in Google Chrome
How to view the server certificate of the Website in Google Chrome? I know the Web site uses a "https" address. If you are visiting a Web site that uses a "https" address with Google Chrome, you can view the server certificate of the site as shown in this tutorial: 1. Run Google Chrome and visit htt...
2017-03-25, 8554👍, 12💬

💬 2017-03-25 FYIcenter.com: @HostFission, we will provide the feedback to the Chrome.

💬 2017-03-14 HostFission.com: @FYIcenter.com Indeed I was talking about the removal of the easy to access certificate details. Updating the tutorial is not en...

💬 2017-02-21 FYIcenter.com: @Christopher, Thanks for your comment. We have updated the tutorial based on the new behavior of Chrome 56.

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Mozilla "certutil" - MSVCR71.dll Is Missing Error
Why am I getting the "MSVCR71.dll is missing" error when running the "certutil" command on my Windows 7 system? When running the Mozilla "certutil" tool on a Windows 7, you may get this error message: The program can't start because MSVCR71.dll is missing from your computer. Try reinstalling the pro...
2012-12-09, 8489👍, 0💬

List of Root CA Certificates Used by IE
How to see the list of root CA certificates used by IE (Internet Explorer)? To see the list of trusted CA certificates used by IE, you need to use the Certificate Manager inside IE as shown below: 1. Click the "Tools &gt; Internet Options" menu. 2. Click the "Content" tab. 3. Click "Certificates...
2012-07-30, 8489👍, 0💬

GlobalSign Organization Validation CA - G2 Certificate - 5D46B28DC44B741CBBEDF573B63AB7388F759E7E
Certificate Summary: Subject: GlobalSign Organization Validation CA - G2 Issuer: GlobalSign Root CA Expiration: 2022-04-13 10:00:00 UTC Key Identifier: 5D:46:B2:8D:C4:4B:74:1C:BB:ED: F5:73:B6:3A:B7:38:8F:75:9E:7EReceived at FYIcenter.com on: 2016-10-29 GlobalSign Organization Validation CA - G2 Cert...
2013-03-21, 8479👍, 0💬

www.facebook.com Certificate - A01DD816E976A69FDE8F54F6FD3716E961ED8310
Certificate Summary: Subject: www.facebook.com Issuer: VeriSign, Inc., VeriSign International Server CA - Class ... Expiration: 2013-12-31 23:59:59 UTC Key Identifier: A0:1D:D8:16:E9:76:A6:9F:DE:8F: 54:F6:FD:37:16:E9:61:ED:83:10Received at FYIcenter.com on: 2016-10-29 www.facebook.com Certificate - ...
2012-07-22, 8409👍, 0💬

UTN - DATACorp SGC Certificate - 9D0176AE49A48420C17A2B28339EA86C6722ABA7
Certificate Summary: Subject: UTN - DATACorp SGC Issuer: UTN - DATACorp SGC Expiration: 2019-06-24 19:06:30 UTC Key Identifier: 9D:01:76:AE:49:A4:84:20:C1:7A: 2B:28:33:9E:A8:6C:67:22:AB:A7Received at FYIcenter.com on: 2016-11-02 UTN - DATACorp SGC Certificate - 9D0176AE49A48420C17A2B28339EA8 6C6722AB...
2012-07-22, 8379👍, 0💬

COMODO High-Assurance Secure Server CA Certificate - 3FD5B5D0D64479504A17A39B8C4ADCB8B022646B
Certificate Summary: Subject: COMODO High-Assurance Secure Server CA Issuer: AddTrust External CA Root Expiration: 2020-05-30 10:48:38 UTC Key Identifier: 3F:D5:B5:D0:D6:44:79:50:4A:17: A3:9B:8C:4A:DC:B8:B0:22:64:6BReceived at FYIcenter.com on: 2016-10-29 COMODO High-Assurance Secure Server CA Certi...
2013-08-20, 8306👍, 0💬

Ways to Use Certificate to Authentication
What are the ways to use certificate for authentication? Can certificates be used to secure Web sites, secure network servers, secure client machines and secure user log in access? Authentication is crucial to secure and reliable communication. Each party to a communication must be able to prove the...
2017-08-21, 8272👍, 6💬

💬 2017-08-15 FYIcenter.com: @Kawa, expired certificates are useless. You should ask owners to send you newer ones to replace them.

💬 2017-08-13 Kawa: Hi. Found certificates wich arenot valid annymore. Some are valid until 2015 or before. Do i need them?

💬 2014-02-21 FYIcenter.com: Hi Jacinta, you don't need to have your own certificate on your phone to protect you using Websites. The server will have certif...

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OpenSSL "s_client" Command Options
What can I use OpenSSL "s_client" command for? What are options supported by the "s_client" command? OpenSSL "s_client" command implements a generic SSL/TLS client which can establish a transparent connection to a remote server speaking SSL/TLS. It's intended for testing purposes only and provides o...
2012-07-23, 8267👍, 0💬

Java "keytool -gencert" Command Options
What options are supported by the "keytool -gencert" command? Java Keytool can be used to sign a CSR (Certificate Signing Request) file using the "keytool -gencert" command, which supports the following options: C:Usersfyicenter>"Program Filesjavajre7inkeytool" -gencert -help keytool -gencert [OPTI...
2012-07-21, 8261👍, 0💬

Microsoft "certutil -store CA 0 first.crt" - Export Certificate
How to export a certificate from a certificate store into a certificate file with Microsoft "certutil" tool? If you want to export a certificate from a certificate store into a certificate file, you can use the Microsoft "certutil -store storename certificate_index file_name" command as shown in thi...
2013-02-27, 8199👍, 0💬

certmgr.msc - View Personal Certificate
How to view personal certificate using "certmgr.msc"? I have imported it in the Personal certificate store earlier. You can view a personal certificate using the "certmgr.msc" tool as shown in this tutorial. 1. Start "certmgr.msc" Management Console on your Windows 7 system. 2. Double-click to open ...
2012-08-03, 8138👍, 0💬

View Page Info in Google Chrome
Where to click to get more Website information in Google Chrome? I want to know if the page I am interacting is secure or not. If a Web page is having "https" as part of the page address, it is a secured page. But if you want to know more information about this page, you need to use context menu in ...
2013-11-22, 8136👍, 0💬

Entrust.net Certification Authority (2048) Certificate - 2A70953A9FF693C5F38AC5A863BB3D942CE6CA07
Certificate Summary: Subject: Entrust.net Certification Authority (2048) Issuer: Entrust.net Certification Authority (2048) Expiration: 2029-07-24 14:15:12 UTC Key Identifier: 2A:70:95:3A:9F:F6:93:C5:F3:8A: C5:A8:63:BB:3D:94:2C:E6:CA:07Received at FYIcenter.com on: 2016-11-02 Entrust.net Certificati...
2012-07-22, 8055👍, 0💬

certmgr.exe - List "My" Personal Certificates with Details
How to get a list of all certificates with more details in "Personal" certificate store using "certmgr.exe"? You can get more details for each certificate if you use the "-v" option with "certmgr.exe -s My" as shown in this tutorial. C:\fyicenter&gt; "\Program Files\Microsoft Visual Studio 8\sdk...
2012-12-09, 7937👍, 0💬

"keytool -certreq" Command Examples - Certificate Signing Request
How to use the "keytool -certreq" command? I have have created a new pair of public key and private key and want to send the public key to the certificate authority to sign it. Here is an example of using "keytool -certreq" command to generate a Certificate Signing Request (CSR) for the public key s...
2012-07-20, 7890👍, 0💬

Java Trusted Certificates Location on Windows
Where is the default trusted certificate keystore file located on my Windows system? I think I have Java 7 installed. If you have Java installed on your Windows system, you can find the default trusted certificate keystore file in the $JAVA_HOME folder, which is normally at "\Program Files\java\jre7...
2012-07-21, 7882👍, 0💬

Java "keytool -printcert" Command Options
What options are supported by the "keytool -printcert" command? Java Keytool can be used to printout owner, issuer, serial number and other information from a certificate using the "keytool -printcert" command, which supports the following options: C:\Users\fyicenter>"\Program Files\java\jre7\bin\ke...
2012-07-19, 7854👍, 0💬

Certum CA Certificate - 8C43C4CB6D98C1A79C8469EBDF4A0D60963AC3FB
Certificate Summary: Subject: Certum CA Issuer: Certum CA Expiration: 2027-06-11 10:46:39 UTC Key Identifier: 8C:43:C4:CB:6D:98:C1:A7:9C:84: 69:EB:DF:4A:0D:60:96:3A:C3:FBReceived at FYIcenter.com on: 2016-11-12 Certum CA Certificate - 8C43C4CB6D98C1A79C8469EBDF4A0D 60963AC3FBCertificate summary - Ow...
2012-07-22, 7727👍, 0💬

Download facebook.com Certificate for Microsoft "certutil" Test
How to download the server certificate from Facebook.com Web site? I want to have a new certificate to play with Microsoft "certutil" commands. The easiest way to download the server certificate from Web site is to visit the Web site with Firefox and use Firefox function to view and save the server ...
2017-04-05, 7712👍, 1💬

💬 2014-05-14 prosper: thank you

OpenSSL "ca" Error "lookup failed for ca::default_ca"
Why I am getting the "variable lookup failed for ca::default_ca" error when running OpenSSL "ca" command? You are getting the "variable lookup failed for ca::default_ca" error, because OpenSSL "ca" command can not find the required "default_ca" option in the configuration file. For example, if you h...
2016-09-09, 7708👍, 0💬

Certificate Generation Tool "makecrt.exe" on Windows
Where to find tutorials on using Certificate Generation Tool "makecert.exe" on Windows? Here is a collection of tutorials on using Certificate Generation Tool "makecert.exe" on Windows compiled by FYIcenter.com team. Topics include: How to start "makecert.exe" on Windows? How to generate a self-sign...
2012-12-10, 7705👍, 0💬

Delete Root CA Certificate from IE
How to delete a root CA (Certificate Authority) certificate from IE? I don't know this CA and don't want to trust any Websites that uses their certificates. On a Windows 7 system, you can not delete a CA certificate from IE if you don't have the administrator permission. The "Remove" button is graye...
2012-07-30, 7698👍, 0💬

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