Internet tools (for the structure of the net)

A Bookmark page by Andy of Konecny Consulting.

Layers 1-3
InterNet Traffic Report Akamai edge status Network Truths goes to 12
13th Network Truth NetBlocks internet shutdown observatory SDN enhances, not replaces physical networks
BroadBand SpeedGuide simple speed test BroadBand/DSL Reports Rogers SpeedCheck CIRA's speed test
Glasnost: test for ISP app throttling ISP speeds around the world iPerf network speed test tool
Post-internet? What is WiFi? VisStumbler, WiFi AP scanner
WiGLE (Wireless Geographic Logging Engine) Wireless Toronto MAC vendor assignments
MAC vendor lookup OUI (MAC vendor) lookup by WireShark OSI, The 7 Layers
WireShark(nee Ethereal) Protocol Analyzer Chappell University (of packet analysis) WireShark forum
Windows native packet capture tool Windows server packet capture tool Win10+ built in packet capture tool
Chappell U classes on YouTube Laura's Lab Blog & Tips Queen Chappell's old blog
Classic BitGirl on YouTube Laura's articles on Novell Wireshark Books
WireShark Capture Filters WireShark Challenges/tests Comment your packet captures
How Julia uses Wireshark GeoMapping in WireShark Who Is Connected Sniffer
NetworkMiner Packet Builder/Editor TraceWrangler: anonymizer-sanitizer
Networking troubleshooting extreme? baseline Windows 10 boot packet flow baseline MacOS Catalina packet flow
limits of SMS for alerting and other system messaging personal VPN Primer (take with big grain of salt) basic of net cabling
Submarine Cable Map Submarine fiber, brains in jars, and coaxial cables Work from Home WiFi tuning
malware traffic excercise PacketSifter intro Netfox Detective
Manage WiFi Network Win access

TCP/IP basics
TCP/UDP port assignments TCP/UDP ports with comments Ports Microsoft's Windows Server use
Ports Novell Linux products use Ports Novell products use on NetWare Ports Novell products use (older)
TCP/UDP port wiki SpeedGuide port database AdminSubNet Port list
IPv4 block assignments Special-Use IPv4 Addresses Multicast assignments
Multicast address assignments IPv4 ranges where is this|that machine tools
VLSM (CIDR) Subnet Calculator Subnet Mask Calculator Cool Solutions IP Calculator
on-line IP tools; ping,trace,NSlookup,etc. WhatIsMy public IP address Public IP from DSLreports
WhatIsMyIPAddress, with map What is my local IP? GeoTeK IP info tool
how to obscure an IP address hosts file to stop spyware NMAP port testing tool
net Boot Disk Port access checking tool TCP/IP Utils
TPC Flags explained NAT is not security IPv6 Launch day
Google IPv6 test Test IPv6 IPv6 Test
TeachMe IPv6

What is DNS Why DNS needed in simple terms Top Level Domains
top level Domain name registries around the world Domain registry best practices DomainHelp: DNS tools
Accredited TLD Registrars Network-Tools NSlookup CentralOps NSlookup
PTR lookup WhoIs search, NetSol Easy WhoIS lookup
my top rate DNS/domain provider Canadian DomainName Authority InterNet Assigned Numbers Authority
DomainTools WhoIs What is DNS, a Novell summary DNS design specifications (RFCs)
using Hosts file to block adware DNSSEC visualization tool MXToolbox SuperTool
Who actually owns your Domain? Resolver diag tool guide to avoid losing your Domain
Finding n Fixing Open DNS Resolvers DNSSEC; debunking the FUD test for open recursion
Quad9 secured recursive DNS DSN Flag days DomainName Marketplace
PowerDNS DNS over HTTPS downsides How to block Firefox's DoH
DoH: (Anti-)Competitive and non-neutral Managing Firefox's DNS/DoH settings Domain status codes
WhatIsMyResolver per-zone reso-4-homelabs (gpedit.msc) DNSdataView, a gui nslookup
Split DNS for VPN configs Intro to DNS Hammer ZoneEdit free-dns
newly registered domains DomainSure 2 protect your Domain DNS deep dives video series
Public Suffix list

SMTP - eMail
SMTP reply codes RFC821 RFC822
SMTP commands MX ToolBox, includes RBL test testable list of RBLs
Spamhaus SU RBL UCEPROTECT®-Network
E-mail Validation Postfix, tricks to stop bad messages Sender Policy Framework (SPF)
SPF test/validate tools SPF Wizard (busy server, times out often) SPF rfc7208
DKIM: Domain Keys DMARC FAQ DMARC Inspector
Osterman Messaging Blog 10 MinuteMail about the first spam and history of
Osterman Research WhitePapers bad email habits e-mail clients
Check TLS MXtoolbox Wormly smtp test
MailChimp easy email newsletters Managing your inbox CommandLine email tool for Windows
IMAP proxy Pseudo-anonymous Email Transend Migrator
Inbox Zero? Why Not Inbox Giganticus? Managing Overflowing Mailboxes add S/MIME 4 apps/appliance
DNSSEC-SPF-DKIM-DMARC summary MTA-STS and TLS reporting Chinese prediction of email?
Why marketing emails go to spam

Web Basics
What web server software is that site running? what is your browser can see about you Wayback Machine (archive)
Designed To Last Browser privacy test Web and IP testtools
Web Hosting scams Robots/spiders, how to control 404 pages
404 page on target for the site spell checker for static pages easy translate web text
WE: stats of browsers used SC: stats of browsers used Tiny URL, shrink URL for emailing
PDF a Web page Website copier (to pull down a local copy) Yellowpipe Webmaster toolset
WebSiteLooker site rater Alexa- Web site ranking URL Spy site ranks
Meaning of Colour How People View Websites Is Site Down For Everyone or Just Me?
NetCraft Site Report Is the site Mobile-Friendly Google PageSpeed test
Readibility: Text Contrast Find Hosting of a site (to sell you theirs) key Wordpress plugins
Essential Workpress Plugins Firefox deep configuration FireFox Link redirct trace for SEO
Link checker for Chrome Link checker for FireFox Is site down right now?
Is it down for just me or others? host tracker
Is My Website Penalized UTM, making links more trackable Are Your Cookies for sale?

W3School HTML tag reference HTML Validation Service W3C CSS Validation Service W3C
SiteInspector, a Webmasters Resource kit (very ad based) HTML cheatsheet, just basics WebDesign overview tips
Web Authoring Doctor HTML, test you page HTML-Hell. what not to do
HTML Dog - practical guide to XHTML+ HTML Goodies easy test pages on MANY browsers
Colour Contrast Checker Colour Codes average colour of the universe
how to add a Favicon Browsera web pages testing tool Icons by Crystal Clear
browser size tester Move the Web Forward Elements of HTML w/ version support
Google Pagespeed Insights Convert a Fixed Column CSS Layout to a Liquid Layout test mobile-friendliness of a page
Web Accessibility Evaluation Tool PlaceHolder Text PlaceHolder blanks
PlaceHolder Kittens Character manipulation/coding
make pages fart as they are scrolled HTML tag ref guide HTML to PDF tool
Add site search to a site All About 404 pages redirection methods
Dealing with Hotlinking WebBloatScore noopener vs noreferrer vs nofollow
/.well-known/ HTML tips from Marko

What is LDAP (focused on Non-Techs) in depth LDAP Roadmap Open LDAP
Recipe for configuring LDAP systems LDAP Browser, JXplorer Import Convert Export for eDirectory
apache's Eclipse based LDAP browser FOSS pw self-service 4 LDAP: pwm
5 ways to ruin IAM project LDAP Export tool Softerra's LDAP Administrator

SNMP - management

Misc net tools
CentralOps (brwsr&domn chks, Nslook, ping..) VNC; a remote control app Google Dashboard
TransferBIGfiles YouSendIt file transfer NTP pools to use
SuSE Paste, easy transfer of code/log bits 4WebHelp Server/Web tools Google Apps Status
The Bro Net Security Monitor (IDS) PingOmatic alert readers of your blog update infrastructure monitoring tools
Intro to PKI, TLS, and x509 Main value of personal VPNs Your VPN provider is tracking you
Wireguard VPN Future Tools Free web conf w/Jitsi video
Generic Mitigations cloud backup, you get what you pay for. Marko Denic's resources + tools

Misc net info
Index of InterNet Standards Internet RFC/STD/FYI/BCP Archives History of the Net
Dragon Computing esr; well known internet hacker(white hat) Hosting Reviews (web/ftp/email/etc..)
InterNet World Statistics There is no cloud Cloud does not back itself up, U still have 2
Can Internet survive climate change? How to build a community network Myths of IT, part1
Myths of IT, part2 Network: invisble vs speedbump key questions for every project
about Google Search Search Quality Evaluator Guidelines x509 certs explained

Tip Jar
Updates last posted 2021-08-26