Internet tools (for the structure of the net)

A Bookmark page by Andy of Konecny Consulting.

Layers 1-3
Network Truths goes to 12 13th Network Truth NetBlocks internet shutdown observatory
SDN enhances, not replaces physical networks BroadBand SpeedGuide BroadBand/DSL Reports Rogers SpeedCheck CIRA's speed test
Glasnost: test for ISP app throttling ISP speeds around the world InterNet Traffic Report
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 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
Who Is Connected Sniffer 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

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
on-line IP tools; ping,trace,NSlookup,etc. IPv4 block assignments 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 Multicast assignments NMAP port testing tool
net Boot Disk Multicast address assignments IPv4 ranges
Port access checking tool TCP/IP Utils TPC Flags explained
VLSM (CIDR) Subnet Calculator Cool Solutions IP Calculator 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 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
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

SMTP - eMail
SMTP reply codes RFC821 RFC822
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 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?

Web Basics
What web server software is that site running? what is your browser can see about you Wayback Machine (archive)
Browser privacy test Web Hosting scams Web and IP testtools
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) Firefox deep configuration key Wordpress plugins
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

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 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

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 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 Future 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

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