olicooper

#!/usr/bin/perl

###
### Writes a list of 'set_real_ip_from' directives based on current CloudFlare proxy IP addresses.
### This is used to ensure the real client IP is known by NGINX and correctly logged.
### Script usage: /etc/nginx/nginx_cloudflare_ip_headers.pl --silent --update-hook '/usr/sbin/nginx -s reload' '/etc/nginx/snippets/cloudflare_real_ip_header.conf'
### NOTE: Additional perl packages are required to run this script, use 'apt install libwww-perl libjson-perl libreadonly-perl perl-doc'
###       Don't forget to add execute permissions too! chmod ug+x /etc/nginx/nginx_cloudflare_ip_headers.pl

use strict;

olicooper

<#
.SYNOPSIS
    Gets the certificate information for a given host using System.Net.Sockets.TcpClient
.DESCRIPTION
    Gets the certificate information for a given host, optionally outputting x509 certificate and extended certificate information.
.PARAMETER HostName
    The host to connect to.
.PARAMETER SniHostName
    When the host uses SNI, this authenticates based on the specified SniHostName.
.PARAMETER Port