❯ RedSquad

SSL and TLS Configuration

2 min read

SSL Testing Tools Overview

SSL Labs

SSL Labs provides an online service to test SSL/TLS configurations of a web server. It helps identify misconfigurations and vulnerabilities to ensure that the server is secure.

Features

  • Comprehensive SSL/TLS testing.
  • Detailed reports on certificate validity, protocol support, key exchange, and cipher strength.
  • Free online service.

Usage

Visit SSL Labs SSL Test and enter the domain you wish to test. The service will generate a detailed report on the SSL/TLS configuration of the server.

Testssl.sh

Testssl.sh is a command-line tool that checks a server’s SSL/TLS configuration. It provides a comprehensive test suite to identify vulnerabilities and misconfigurations.

Features

  • Checks for supported protocols, ciphers, and various vulnerabilities.
  • No installation required; works on most Unix-based systems.
  • Open-source and actively maintained.

Installation and Usage

# Clone the repository
git clone https://github.com/drwetter/testssl.sh.git
 
# Navigate to the testssl.sh directory
cd testssl.sh/
 
# Run the test against a target
./testssl.sh $target

Replace $target with the domain or IP address you want to test.

SSLScan

SSLScan is a fast SSL/TLS scanner that can identify supported ciphers and protocols. It provides a quick overview of the security of an SSL/TLS configuration.

Features

  • Identifies supported SSL/TLS protocols and ciphers.
  • Displays certificate information and key exchange details.
  • Open-source and actively maintained.

Installation and Usage

# Clone the repository
git clone https://github.com/rbsec/sslscan.git
 
# Navigate to the sslscan directory
cd sslscan/
 
# Build the tool
make
 
# Run the scan against a target
./sslscan $target

Replace $target with the domain or IP address you want to test.

SSLyze

SSLyze is a Python library and CLI tool that analyzes the SSL/TLS configuration of a server. It is designed to be fast and comprehensive, making it suitable for large-scale assessments.

Features

  • Comprehensive SSL/TLS analysis.
  • Identifies vulnerabilities, protocol support, and cipher strength.
  • Integrates easily with other tools and scripts.

Installation and Usage

# Clone the repository
git clone https://github.com/nabla-c0d3/sslyze
 
# Navigate to the sslyze directory
cd sslyze
 
# Install dependencies
pip install -r requirements.txt
 
# Run the scan against a target
python3 sslyze.py --regular $target

Replace $target with the domain or IP address you want to test.