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 DownForEveryoneOrJustMe
Network Truths goes to 12 13th Network Truth NetBlocks internet shutdown observatory
SDN enhances, not replaces physical networks BroadBand SpeedGuide Fast.com simple speed test
BroadBand/DSL Reports SpeedTest.net 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) 5G detected map
WiFi net scan/troubleshoot tools Wireless Toronto MAC vendor assignments
MAC vendor lookup OUI (MAC vendor) lookup by WireShark MAC addresses, what is normal
OSI, The 7 Layers WireShark(nee Ethereal) Protocol Analyzer Chappell University (of packet analysis)
WireShark forum WireShark 4 Filter tricks Windows native packet capture tool
WireShark Foundation 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 10 Tools to Compliment Wireshark Packet Builder/Editor
TraceWrangler: anonymizer-sanitizer Networking troubleshooting extreme? Packet Tuesday
baseline Windows 10 boot packet flow baseline MacOS Catalina packet flow Arkime packet capture tool
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 WiFi tuning tools & resources
malware traffic excercise PacketSifter intro Netfox Detective
Manage WiFi Network Win access Understanding + Exploring BGP BGP connectivity testing
BGP LookingGlass Sounds of Dial-up Dangers of public WiFi
TCP/IP Birthday, May 1974 DC, not just for the DC


TCP/IP basics
Why You Should Learn TCP/IP 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 IP Analyzer 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
IPv6 intro basic IPv6 troubleshooting IPv6 Explained for beginners
Short IPv6 Guide for IPv4 Admins


DNS
What is DNS, origin Domains, the basics Common DNS Records described
Top Level Domains (TLDs) What are TLDs TLD name registries around the world
Life of a DNS query How DNS Works Domain registry best practices
DomainHelp: DNS tools Why DNS needed in simple terms Accredited TLD Registrars
Network-Tools NSlookup CentralOps NSlookup PTR lookup
challenges of learning DNS with tips WhoIs search, NetSol Easy WhoIS lookup
my top rate DNS/domain provider Canadian DomainName Authority InterNet Assigned Numbers Authority
DomainTools WhoIs 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 Domain expiry process
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 multicast DNS with dig Using DNS to simlify-secure cryptocurrencies
Low is not No maintenance WhatsMyDNS seen around the world Security Relevant DNS Records
BIND version /doc/arm mulit-leveled TLDs Official example domains you can use in Docs
DNS record types Domain Doppelganger checker
Optimizing TTL for your DNS records. Understanding TTL in DNS The End of a TLD


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
DMARC's role in email authentication DKIM: Domain Keys DMARC FAQ
DMARC Inspector DMARC, checking your domain 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
a Great eMail Rule to reduce stress Understanding Gmail and Yahoo Error Codes Avoid/get off of blacklists
forwarder issues message headers from diff clients


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 Yellowpipe Webmaster toolset
Tiny URL, shrink URL for emailing Unshortening short URIs before going there PDF a Web page
Website copier (to pull down a local copy) 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 Comanding WordPress
WordPress security tips 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? down.com host tracker
Is My Website Penalized UTM, making links more trackable Are Your Cookies for sale?
Managing Your Cookies url scanner HTTP Status Codes cat style
Monitoring tiny web services URL unshortner: WhereGoes Is javascript enabled on my browser
Psychology of Colors HTTP/3 primer neocities: free and low cost websites
Marginalia: search engine for non-commercial


HTML
Language4Beginners: HTML 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
RGB colours by the number 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
GTmetrix page speed tester 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 to PDF tool Add site search to a site
All About 404 pages redirection methods Dealing with Hotlinking
WebBloatScore sitemap.xml fun /.well-known/ wiki
/.well-known/ iana noopener vs noreferrer vs nofollow HTML tips from Marko
Find what theme a Wordpress site uses CSS Tutorial CSS templates


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


SNMP - management
SNMP Link.org MIB Depot


Misc net tools
CentralOps (brwsr&domn chks, Nslook, ping..) VNC; a remote control app Google Dashboard
TransferBIGfiles YouSendIt file transfer We Transfer (files)
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.
Protection OverView Marko Denic's resources + tools workgroup connections via blogging
WizardZines, Protocols+ made easy ZeroTier private network Connect ZeroTier explained
list of Ping scanners Gentleperson’s Guide to Forum Spies Get same username everywhere
InterPlanetary File System usage RSS and drived to evlove it. Awesome CSV tools list
QR code Gateway EverythingSysAdmin


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
Learning by community Rules of Network Design How Root Cause Analysis is a term of art
Decimal vs Binary Prefixes The First Open Source Intelligence War Most important step to protect your network
our myth of Greenfields enshittification of the net Diaryland.com community
What is "Industry Standard"? Managing ones Digital Life AI evolutionary path and concerns
Spear in AI's back Containers net namespaces CNI net Namespaces


Tip Jar
Updates last posted 2025-01-30