Can I use a server certificate as a client certificate?

Cryptographically, you can use either as the actual client side identity of an SSL connection, but the other side (the server on that particular connection) has to accept the certificate; most people don't put the Distinguished Name of servers into the database of acceptable identities.
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Can I use same certificate for server and client?

It's technically possible for a TLS certificate to be used as both a server certificate and a client certificate. The TLS certificate for this very site has its key usage set that way, for instance. But the server which requires a client certificate does so to authenticate the client.
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Can I use the server certificate in client side?

Server certificates are used to authenticate server identity to the client(s). Client certificates are used to authenticate the client (user) identity to the server. Server certificates encrypt data-in-transit. No encryption of data takes place in case of Client certificates.
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How do I create a client certificate from a server certificate?

Creating a Client Certificate for Mutual Authentication
  1. Create a backup copy of the server truststore file. ...
  2. Generate the client certificate. ...
  3. Export the generated client certificate into the file client. ...
  4. Add the certificate to the truststore file domain-dir /config/cacerts.jks . ...
  5. Restart the Application Server.
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What is the difference between a client certificate and a server certificate?

Client certificates tend to be used within private organizations to authenticate requests to remote servers. Whereas server certificates are more commonly known as TLS/SSL certificates and are used to protect servers and web domains.
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Client Server Certificate Configuration and Authentication



How does client Validate server certificate?

The server authenticates the client by receiving the client's certificate during the SSL handshake and verifying the certificate is valid. Validation is done by the server the same way the client validates the server's certificate. The client sends a signed certificate to the server.
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Does client need SSL certificate?

The client does not need to have certificates, but it's good practice to verify who the server says they are, and that means the client needs CA certificates to verify the certificate chain presented by the server. It is possible to configure the server to ask for a client authentication certificate.
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How do I create a client certificate from the server certificate in Windows?

  1. Open up mmc and do certificates for your user account.
  2. Enroll yourself as a Certificate request agent.
  3. right click the personal folder under the certificate.
  4. Choose Advanced Operations and than Enroll on Behalf of.
  5. Follow the wizard and the cert will be created.
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How do you generate client certificate and key?

  1. Step 1 - Generate a Private Key for the CA Certificate. ...
  2. Step 2 - Create a CA Certificate using the Private Key. ...
  3. Step 3 - Import the CA Certificate to the Barracuda Web Application Firewall. ...
  4. Step 4 - Enable Client Authentication on the Barracuda Web Application Firewall. ...
  5. Step 5 - Create a Client Certificate.
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Where can I get a client certificate?

In Chrome, go to Settings. On the Settings page, below Default browser, click Show advanced settings. Under HTTPS/SSL, click Manage certificates. In the Certificates window, on the Personal tab, you should see your Client Certificate.
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Does client need certificate for Ldaps?

Yes of corse your client need a certificate to allow ladps communication betwen him and de server. According to windowsitpro.com: As an option, you can use LDAPS for client authentication -- but doing so requires that you also install a client authentication certificate on each of your clients."
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Is TLS and SSL the same?

Transport Layer Security (TLS) is the successor protocol to SSL. TLS is an improved version of SSL. It works in much the same way as the SSL, using encryption to protect the transfer of data and information. The two terms are often used interchangeably in the industry although SSL is still widely used.
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What is the server's public certificate used for?

This connection is used on the Internet to send email in Gmail etc and when doing online banking,shopping etc. Server Responds with Server Certificate containing the public key of the web server. Browser uses this Public Key to agree a session key with the server.
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Can two servers use the same certificate?

It depends on the CA and the certificate license. To install the same certificate on multiple servers, first install the certificate files to the server where the CSR was originally generated. Then import the files (along with the private key) to the respective servers.
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Can you have multiple SSL certificates?

You can install multiple SSL certificates on a domain, but first a word of caution. A lot of people want to know whether you can install multiple SSL certificates on a single domain. The answer is yes.
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Can I use an SSL certificate on more than one server?

No matter what language you speak, no matter what industry you work in, the answer is still the same: Yes, you can use one SSL certificate for multiple domains on the same server. And, depending on the vendor, you also can use one SSL certificate on multiple servers.
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How do I download a client certificate?

Follow the steps to download the SSL certificate in Windows using Chrome browser
  1. Windows Chrome Browser. Now click on the lock button on the left of the url to see Certificate (valid)
  2. View Certificate. ...
  3. View Certificate 1. ...
  4. Certificate Path. ...
  5. Copy to File. ...
  6. Export. ...
  7. Save. ...
  8. Browse & Export.
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How does SSL work between client and server?

SSL is a security protocol that secures communication between entities (typically, clients and servers) over a network. SSL works by authenticating clients and servers using digital certificates and by encrypting/decrypting communication using unique keys that are associated with authenticated clients and servers.
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What is SSL client certificate?

Client certificates are used to limit the access to such information to legitimate requesters. Secure sockets layer (SSL) authentication is a protocol for establishing a secured communication channel for communication between a client and a server.
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What is a TLS client certificate?

The Transport Layer Security (TLS) is a protocol designed to provide secure communication over the Internet and includes authentication, confidentiality and integrity. When a TLS connection is established the server provides a certificate that the client validates before trusting the server's identity.
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Which standard is most widely used for certificates?

509 or EMV standard. One particularly common use for certificate authorities is to sign certificates used in HTTPS, the secure browsing protocol for the World Wide Web.
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What does a client certificate contains?

Your certificate would typically contain pertinent information like a digital signature, expiration date, name of client, name of CA certificate (Certificate Authority), revocation status, SSL/TLS version number, serial number, and possibly more, all structured using the X. 509 standard.
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What three things does the client validate on inspection of a server certificate?

The SSL protocol defines three steps a client must perform to validate the server's certificate:
  • Is today's date within the validity period? The client checks the server certificate's validity period. ...
  • Is the issuing CA a trusted CA? ...
  • Does the issuing CA's public key validate the issuer's digital signature?
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What are the 3 types of certificates?

There are three main types of certificates: domain validated (DV), organization validated (OV), and extended validation (EV). An authentic authority must obtain the certificate so that users won't see this message. Any certificate will provide the same level of protection, no matter the type of validation.
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What are client side certificates?

A client side certificate is a certificate you use to establish your server to the client. This is the best way for the server to "know" exactly who is connecting to it. It works a lot like having a username and a password on your server but without having to interact with the user.
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