l2D l2D

Inspecting HTTPS (TLS, SSL) certificates from the command line

I needed to inspect an HTTPS site's current certs and wanted to do it from the command line. Here are a couple of commands that I used that worked quite well.

With nmap

nmap -p 443 --script ssl-cert [hostname]

Keybase proof

I hereby claim:

I am l2d on github.
I am l2dz (https://keybase.io/l2dz) on keybase.
I have a public key ASCt9INtbfTJYHjq5KW5XLWNjsOKpINcg8_IX-dT8NNx4wo

To claim this, I am signing this object:

Add a cert to you macbook

USAGE

~/add_cert.sh my.intra.net

you will be asked for your password to add thit to keychain

downloads pem file
adds to trusted root certificates

Brew Bundle Brewfile Tips

Copyright & License

Unless otherwise noted (either in this file or in a file's copyright section) the contents of this gist are Copyright ©️2020 by Christopher Allen, and are shared under spdx:Creative Commons Attribution Share Alike 4.0 International (CC-BY-SA-4.) open-source license.

Sponsor

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	#!/bin/bash

	# --------------------------------- Constants -------------------------------- #
	readonly BASE_URL="http://169.254.169.254"
	readonly METADATA_PATH="/latest/meta-data"
	readonly TOKEN_PATH="/latest/api/token"
	readonly TOKEN_TTL=60 # In seconds
	readonly HEADER_TOKEN_TTL="X-aws-ec2-metadata-token-ttl-seconds"
	readonly HEADER_TOKEN="X-aws-ec2-metadata-token"

	#!/bin/bash

	# Usage: ./script.sh input.env output.yaml

	input_file=$1
	output_file=$2

	# Check if the input file exists
	if [ ! -f "$input_file" ]; then
	echo "Input file does not exist: $input_file"

	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">
	<dict>
	<key>Ansi 0 Color</key>
	<dict>
	<key>Alpha Component</key>
	<real>1</real>
	<key>Blue Component</key>
	<real>0.38307824730873108</real>

	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">
	<dict>
	<key>AllowClipboardAccess</key>
	<true/>
	<key>AlternateMouseScroll</key>
	<true/>
	<key>AppleAntiAliasingThreshold</key>
	<integer>1</integer>

	FROM jenkins/jenkins:lts

	USER root

	RUN curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh

	RUN usermod -aG docker jenkins

	USER jenkins