gnutls_cipher_list - Linux
Overview
gnutls_cipher_list
lists the supported cipher suites by the GnuTLS library. It is an essential tool for understanding the capabilities of the library and configuring applications that use GnuTLS.
Syntax
gnutls_cipher_list [options]
Options/Flags
- -v, –verbose: Prints detailed information about each cipher suite.
- -l, –list: Prints a single-line list of cipher suite names.
- –preferred: Prints the preferred cipher suite order.
Examples
Display a list of supported cipher suites:
gnutls_cipher_list
Display detailed information about a specific cipher suite:
gnutls_cipher_list --verbose TLS1.3-AES-128-GCM-SHA256
Print a single-line list of cipher suite names:
gnutls_cipher_list --list
Get the preferred cipher suite order:
gnutls_cipher_list --preferred
Common Issues
- Ensure that GnuTLS is properly installed before using this command.
- The output of this command may vary depending on the version of GnuTLS being used.
- If you encounter any errors, consult the GnuTLS documentation or the official website for support.
Integration
gnutls_cipher_list
can be used to configure various applications that utilize GnuTLS for secure communication. For example, you can use the output of this command to:
- Set the cipher suite priorities in your web server configuration.
- Verify that your application is supporting the necessary cipher suites.
- Troubleshoot connectivity issues by examining the supported cipher suites.
Related Commands
gnutls-cli
: A command-line tool for testing secure connections using GnuTLS.gnutls-serv
: A command-line tool for running a secure server using GnuTLS.- GnuTLS documentation