Test dl.google.com

bootstrap.sh

# On the host VM (run as root):
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
apt-get install -qy docker-ce
systemctl daemon-reload && systemctl start docker.service
docker run -it ubuntu:latest bash

# In the Docker container:
apt-get -qy update && apt-get -qy install curl tcpdump python
curl https://gist.githubusercontent.com/Hexcles/f957d7406036ff20e5397ab94fb5e70c/raw/66bf8e2385b36087e6bf586ff5127a907bb17783/download.py > download.py
python2 download.py

download.py

#!/usr/bin/env python2

import sys
import socket
import subprocess
import time
import urllib2

while True:
    process = subprocess.Popen(["tcpdump", "-w", "capture.pcap", "port 443"])
    time.sleep(5)
    f = urllib2.urlopen("https://dl.google.com/linux/direct/google-chrome-unstable_current_amd64.deb")
    sockno = f.fileno()
    sock = socket.fromfd(sockno, socket.AF_INET, socket.SOCK_STREAM)
    print sock.getpeername()
    try:
        print len(f.read())
    except IOError as e:
        print e
        time.sleep(5)
        process.terminate()
        process.wait()
        sys.exit(0)
    process.kill()
    process.wait()
    f.close()