Network Analysis Tools
http://edu-observatory.org/olli/HCS/tools.html


 





What's My Apparent IP Address and My Apparent ISP?
  https://bgp.he.net
  https://test-ipv6.com

Test Bandwidth
  https://speedtest.net
  https://fast.com  (IPv6) (VPN)

Test for Tracking Cookies
  https://www.grc.com/cookies/forensics.htm
  https://coveryourtracks.eff.org
   
Test Firewall
  https://www.grc.com/x/ne.dll?bh0bkyd2
  http://www.ipv6scanner.com/cgi-bin/main.py

IPv6 Address Types  2(128-xx)
  https://www.ripe.net/participate/member-support/lir-basics/ipv6_reference_card.pdf
  https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xhtml
IPv4 Address Types  2(32-xx)
  https://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml





Surveillance Self-Defense https://ssd.eff.org https://ssd.eff.org/module-categories/basics https://ssd.eff.org/module-categories/tool-guides HE.NET Network Tools https://networktools.he.net https://play.google.com/store/apps/details?id=net.he.networktools https://apps.apple.com/us/app/he-net-network-tools/id858241710?ls=1 Free Mac Security Tools https://objective-see.com ShieldsUP! https://www.grc.com/x/ne.dll?bh0bkyd2

Test SSL/TLS Capabilities of Your Browser https://www.ssllabs.com/ssltest/viewMyClient.html Check Browser https://www.grc.com/cookies/forensics.htm https://www.grc.com/x/ne.dll?bh0bkyd2 https://browseraudit.com/ https://coveryourtracks.eff.org https://centralops.net/asp/co/BrowserMirror.vbs.asp Check Email Address Validity http://centralops.net/co/EmailDossier.aspx Check Email Header https://dnschecker.org/email-header-analyzer.php

Commandline Foo https://www.commandlinefu.com/commands/browse/sort-by-votes commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down. dig https://www.manpagez.com/man/1/dig/ fping http://fping.sourceforge.net http://fping.sourceforge.net/man/ host https://www.manpagez.com/man/1/host/ mtr (alternative to traceroute, ping) https://www.bitwizard.nl/mtr/ https://apps.apple.com/us/app/beenettools/id1160138136 https://traceroute-online.com/mtr/ nmap https://www.stationx.net/nmap-cheat-sheet/ https://nmap.org/book/legal-issues.html https://nmap.org https://www.commandlinefu.com/commands/matching/nmap/bm1hcA==/sort-by-votes https://nmap.org/book/man.html https://nmap.org/book/toc.html https://nmap.org/book/man-port-scanning-techniques.html https://nmap.org/docs/nmap-mindmap.pdf https://nmap.online ncat https://nmap.org/ncat/guide/index.html https://nmap.org/book/ncat-man.html nping https://nmap.org/nping/ https://nmap.org/book/nping-man.html https://nmap.org/book/nping-man-echo-mode.html ping https://apps.apple.com/us/app/beenettools/id1160138136 https://www.manpagez.com/man/8/ping/ Shell Scripting Primer https://developer.apple.com/library/archive/documentation/OpenSource/Conceptual/ShellScripting/CommandLInePrimer/CommandLine.html https://brew.sh https://www.commandlinefu.com/commands/browse/sort-by-votes whois https://www.manpagez.com/man/1/whois/ sam.wormley@icloud.com