simple command line tool to check or monitor your https certificate

Flash Rom Image | -bios-

A is simply a binary file (usually ending in .bin , .cap , .rom , or .fd ) that contains the firmware code. Think of this image as a digital snapshot of the instructions your motherboard needs to function. When you "flash" the BIOS, you are copying this image from your hard drive or a USB stick onto the physical Flash ROM chip on the motherboard.

Your motherboard's life depends on that single, small, beautiful binary. flash rom image -bios-

[Extracted] SetupPassword = "OEM\$3rv!c3" A is simply a binary file (usually ending in

The flash ROM BIOS image is no longer just a bootloader – it’s a miniature trusted execution environment, a security minefield, and a forensic goldmine. For defenders, via TPM or PFR is no longer optional. For attackers, the flash chip is the ultimate persistence mechanism. Your motherboard's life depends on that single, small,

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deployed on AWS Lambda

Install Locally

Great for checking lots of sites, scripting or use with private servers

Docker

docker run --rm szazeski/checkssl checkssl.org

Linux or Mac

wget https://github.com/szazeski/checkssl/releases/download/v0.5.0/checkssl_0.5.0_$(uname -s)_$(uname -m).tar.gz -O checkssl.tar.gz && tar -xf checkssl.tar.gz && chmod +x checkssl && sudo mv checkssl /usr/bin/

Mac via Mac Ports

sudo port install checkssl

Mac via Homebrew

brew install szazeski/tap/checkssl

Windows Powershell

Invoke-WebRequest https://github.com/szazeski/checkssl/releases/download/v0.5.0/checkssl_0.5.0_Windows_x86_64.tar.gz -outfile checkssl.tar.gz; tar -xzf checkssl.tar.gz; echo "if you want, move the file to a PATH directory like WINDOWS folder"

View github installation instructions for how to install on mac and windows

Download Releases for Windows, Mac, or Linux

View Source / Contribute New Features

Checkssl is an open source project that you can modify and use for your personal or commercial projects.

Goto checkssl on Github

Written in Go under a MIT License

Jenkins Continuous Integration Setup

Simple, no dependency command that integrates into your CI workflows

Add a build step with Execute Script

Build
Command

See the list of available environment variables

Other Tools to Check Out

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Qualsys SSL Lab produces detailed report of your SSL Certificate, ciphers and vulnerabilities.

Mozilla SSL Config produces ideal SSL config for various web servers.

BadSSL maintains testing servers with various issues, great for testing your monitoring setup

Illustrated TLS Connection every byte of a TLS connection explained and reproduced.

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flash rom image -bios-
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