dane_cert_usage_name - Linux
Overview
dane_cert_usage_name inspects SSL certificates to determine their DNS Name usage. It helps system administrators and analysts verify that a domain name matches the certificate’s intended use.
Syntax
dane_cert_usage_name [-i input_file] [-o output_file] [-n]
Options/Flags
- -i input_file: Specify the path to the input SSL certificate file.
- -o output_file: Specify the path to the output file where the result will be saved.
- -n: Do not insert a newline character in the output.
Examples
Simple Usage:
dane_cert_usage_name -i certificate.pem
Saving Output to a File:
dane_cert_usage_name -i certificate.pem -o result.txt
Removing Newlines from Output:
dane_cert_usage_name -i certificate.pem -n
Common Issues
- Error: Unable to find expected TLS extension: Make sure you’re inspecting a valid TLS certificate.
- Error: Syntax Error in Certificate: Verify the certificate file for any syntax issues.
Integration
Combining with grep to Filter Results:
dane_cert_usage_name -i certificate.pem | grep "DNS Name"
Using awk to Extract Usage Values:
dane_cert_usage_name -i certificate.pem | awk '{print $2}'
Related Commands
- openssl: Utility for managing SSL certificates and keys.
- nss_cert_usage_name: Similar tool for inspecting certificates in NSS format.