#!/bin/sh set -e -u alias curl_cmd='curl --proto "=https" --proto-default https --http2 -siSL --tlsv1.3 --cert-status' ipv6_success=1 ipv4_success=1 curl_cmd -6 'seirdy.one/ip' || ipv6_success=0 echo curl_cmd -4 'seirdy.one/ip' || ipv4_success=0 echo if [ "$ipv6_success" = 0 ] && [ "$ipv4_success" = 0 ]; then echo "Failed to connect" exit 1 fi