Creating and Maintaining Home Networks
Testing Your Router From The Outside

http://edu-observatory.org/olli/Networks/Testing_Routers_from_the_Outside.html



TESTING YOUR ROUTER FROM THE OUTSIDE

ShieldsUP!! -- Internet Connection Security for Windows Users
by Steve Gibson, Gibson Research Corporation
  https://www.grc.com/x/ne.dll?bh0bkyd2

  Your use of the Internet security vulnerability profiling
  services on this site constitutes your FORMAL PERMISSION for
  us to conduct these tests and requests our transmission of
  Internet packets to your computer. ShieldsUP!! benignly
  probes the target computer at your location. Since these
  probings must travel from our server to your computer, you
  should be certain to have administrative right-of-way to
  conduct probative protocol tests through any and all
  equipment located between your computer and the Internet.
  
DNS Nameserver Spoofability Test  
  https://www.grc.com/dns/dns.htm
  
Understanding ICMP and why you shouldn't just block it outright
  https://neilalexander.dev/2017/04/16/understanding-icmp.html





You need your External IPv4 address for Nmap Online (below)
  https://bgp.he.net
  https://www.test-ipv6.com

Test Firewall
  https://www.grc.com/x/ne.dll?bh0bkyd2
  http://www.ipv6scanner.com/cgi-bin/main.py


Test Your Router
  https://www.routersecurity.org/testrouter.php

  
  

 
    sam.wormley@gmail.com