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What is Apache mod_ssl?

by Chase Collins

What is Apache mod_ssl?

mod_ssl is an optional module for the Apache HTTP Server. It provides strong cryptography for the Apache v1. 3 and v2 webserver via the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) cryptographic protocols by the help of the Open Source SSL/TLS toolkit OpenSSL.

What is SSLCACertificateFile?

SSLCACertificateFile, according to Apache httpd docs, is a directive that sets the all-in-one file where you can assemble the Certificates of Certification Authorities (CA) whose clients you deal with. Such a file is simply the concatenation of the various PEM-encoded Certificate files, in order of preference.

What is Sslcertificatekeyfile?

SSLCertificateFile should contain only the public portion of your certificate, which you want to deliver from the website to the client. If SSLCertificateChainFile is specified, the webserver will attach the associated certificates (to build up a whole chain to a Root CA) to the webserver certificate.

How do I generate Sslcertificatekeyfile?

Steps to generate a key and CSR

  1. Set the OpenSSL configuration environment variable (optional).
  2. Generate a key file.
  3. Create a Certificate Signing Request (CSR).
  4. Send the CSR to a certificate authority (CA) to obtain an SSL certificate.
  5. Use the key and certificate to configure Tableau Server to use SSL.

How do I disable SSLv3 in apache?

Apache: Disabling the SSL v3 Protocol

  1. Locate your SSL Protocol Configuration on your Apache server. For example,
  2. Add or update the following lines in your configuration: SSLProtocol all -SSLv2 -SSLv3.
  3. Restart Apache. For example, type the following command:
  4. You have successfully disabled the SSL v3 protocol.

How does apache SSL work?

Apache must send a certificate during the SSL handshake before it receives the HTTP request that contains the Host header. Therefore, Apache always sends the SSLCertificateFile from the first block that matches the IP and port of the request.

How do I get a SSL certificate chain file?

Obtain the Full Certificate Chain for a Certificate

  1. Obtain an SSL certificate from a trusted Certificate Authority.
  2. To upload the CA-signed certificate to a Cortex XSOAR server, follow the instructions in HTTPS with a Signed Certificate.
  3. ( Optional.
  4. ( Optional.
  5. ( Optional.
  6. Copy the entire certificate chain in order.
  7. (
  8. (

What is Err_bad_ssl_client_auth_cert?

Cause of ERR_BAD_SSL_CLIENT_AUTH_CERT Error: This error is related to SSL certificates. When any user tries to access a website on the internet, Google Chrome tries to check the SSL certificate installed on the site for security reasons.

How do I know if Apache SSL is enabled?

In my case this is how I got the information:

  1. find where apache logs are located, and go there, in my case: cd /var/log/apache2.
  2. find in which log openssl information can be found: grep -i apache.*openssl *_log.
  3. to get fresh information, restart apache, e.g.
  4. check for last entries in the log, e.g.

What is Ssl_client_s_dn?

The ” SSLVerifyClient ” parameter instructs the SSL Server to request a certificate from the Client (Client Authentication) that it can validate. The ” SSLVerifyClient ” parameter instructs the SSL Server to request a certificate from the Client (Client Authentication) that it can validate.

How do I get SSLCertificateChainFile?

Standard one-way HTTPS

  1. Backup up all involved files before manipulating them.
  2. Locate the Apache configuration file where your Virtual Host is configured.
  3. Locate the line “SSLCertificateChainFile”.
  4. Copy and paste the contents of the Intermediate CA into your CA chain file (append to chain.
  5. Restart Apache httpd: