NOTE

Things in bold I use a lot

Standards

Networks

https://www.iana.org/
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt - Port Listing in Txt
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml - Port Listing in HTML
https://www.iana.org/protocols

CIDR

CIDR
https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

VLSM

VLSM Workbook

CEF

What is CEF?

Implementing ArcSight Common Event Format(CEF) - Version 26 - Standards Document

SMTP

RFC5321: SMTP
RFC2142: MAILBOX NAMES FOR COMMON SERVICES, ROLES AND FUNCTIONS
RFC7208: SPF
RFC8601: Message Header Field for Indicating Message Authentication Status

SNMP

RFC1628 - Generic UPS Management Information Base

https://datatracker.ietf.org/doc/html/rfc1628

APC Support: https://www.apc.com/us/en/faqs/FA156148/?r=65&other.LCC_KnowledgeEditAsisdraft.knowledgeEditAsisdraft=1/

Markdown

https://daringfireball.net/projects/markdown/ - where it started
https://spec.commonmark.org/ - the main standard (via https://commonmark.org) https://markdown.github.io/ - documents various implementations
https://github.github.com/gfm/ - the GitHub Flavored Markdown Spec
https://en.wikipedia.org/wiki/Markdown

https://www.markdownguide.org/getting-started/
https://dillinger.io/

Refer to Markdown Tips

Linux Standards

https://ss64.com/ - amazing command line reference resource for Windows, PowerShell, Mac, Linux and more

Misc

https://en.wikipedia.org/wiki/Well-known_URI
https://en.wikipedia.org/wiki/Security.txt / https://securitytxt.org/

Linux

Crontab: Best website for refining crontab timings: Crontab.guru - The cron schedule expression generator - more in Linux Commands
Arch Linux Wiki - Contains a lot more up to date resources for linux, even for non-arch users. I don’t use arch by the way :grin:
The Linux Documentation Project: Older resource but still has a fair bit of stuff. Doesn’t come up as much in Google these days but worth remembering.
nixCraft - Linux Tips, Hacks, Tutorials, And Ideas In Blog: Vivek Gite and one of the best Linux websites around.
Linux Audit: I only found this very recently but it looks good.
https://ss64.com/ - amazing command line reference resource for Windows, PowerShell, Mac, Linux and more

Debian Manuals

The Debian Administrators Handbook
Debian Reference
Securing Debian Manual
https://www.debian.org/doc/
Apt Guide

Ubuntu Manuals

Ubuntu Server Documentation
Ubuntu Documentation - slowing replacing the next link over time. Gives a good overview of their products & platforms
official Ubuntu Documentation - older documentation landing portal
Ubuntu Wiki - community edited, not well maintained.

The Ubuntu Security Guide - free to read but requires ubuntu pro subscription for tooling

Microsoft Platforms

https://msportals.io/ - The best and most up to date website of all of Microsoft’s Portals. Source: https://github.com/adamfowlerit/msportals.io
https://cmd.ms/ - I don’t use this much but can be useful
https://pnp.github.io/ - Microsoft 365 & Power Platform Community - used to be called Patterns and Practices. Make some good tools like PnP Tools for SharePoint/O365 plus a tonne of samples.
https://adoption.microsoft.com/en-us/ - we should all use this website more often

Azure

Conventions

https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/ready/azure-best-practices/resource-naming
https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/ready/azure-best-practices/resource-abbreviations
https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/resource-name-rules

Networking

https://en.wikipedia.org/wiki/Captive_portal
Use Apple products on enterprise networks - covers steps to complete and IP Ranges

StarLink Help Centre
StarLink Enterprise Guide
StarLink API Documentation

Also see StarLink Tips

4G Signal Statistics Explained
Guide to Mobile Networks 4G LTE Signal Strength Reference Guide

Windows

https://support.microsoft.com/en-au/windows/keyboard-shortcuts-in-windows-dcc61a57-8ff0-cffe-9796-cb9706c75eec - Windows shortcuts. The ones you are normally forgetting are:

https://ss64.com/ - amazing command line reference resource for Windows, PowerShell, Mac, Linux and more

Also check Windows Tips

Active Directory

https://admx.help/ - good group policy reference - except for all the ads

Regex and Similar

> \[!\w+\][^\n]*\n>[^\n]*\n\n\```

For Useful Excel Formulas see Excel Tips
For very useful Regex Tools see Software in Misc Tools

Search Tools

Google

https://www.google.com.au/advanced_search

https://ahrefs.com/blog/google-advanced-search-operators/
Refine Google Searches (search terms: )https://support.google.com/websearch/answer/2466433
Google Advanced Search: https://support.google.com/websearch/answer/35890

https://blog.google/products/search/how-were-improving-search-results-when-you-use-quotes/

From: https://ahrefs.com/blog/google-advanced-search-operators/

Working

Search operator What it does Example
” “ Search for results that mention a word or phrase. “steve jobs”
OR Search for results related to X or Y. jobs OR gates
| Same as OR: jobs | gates
AND Search for results related to X and Y. jobs AND gates
- Search for results that don’t mention a word or phrase. jobs -apple
* Wildcard matching any word or phrase. steve * apple
( ) Group multiple searches. (ipad OR iphone) apple
define: Search for the definition of a word or phrase. define:entrepreneur
cache: Find the most recent cache of a webpage. cache:apple.com
filetype: Search for particular types of files (e.g., PDF). apple filetype:pdf
ext: Same as filetype: apple ext:pdf
site: Search for results from a particular website. site:apple.com
related: Search for sites related to a given domain. related:apple.com
intitle: Search for pages with a particular word in the title tag. intitle:apple
allintitle: Search for pages with multiple words in the title tag. allintitle:apple iphone
inurl: Search for pages with a particular word in the URL. inurl:apple
allinurl: Search for pages with multiple words in the URL. allinurl:apple iphone
intext: Search for pages with a particular word in their content. intext:apple iphone
allintext: Search for pages with multiple words in their content. allintext:apple iphone
weather: Search for the weather in a location. weather:san francisco
stocks: Search for stock information for a ticker. stocks:aapl
map: Force Google to show map results. map:silicon valley
movie: Search for information about a movie. movie:steve jobs
in Convert one unit to another. $329 in GBP
source: Search for results from a particular source in Google News. apple source:the_verge
before: Search for results from before a particular date. apple before:2007-06-29
after: Search for results from after a particular date. apple after:2007-06-29

Sidenote. You can also use the _ operator, which acts as a wildcard in Google Autocomplete.

Unreliable:

Search operator What it does Example
# ..# Search within a range of numbers. iphone case $50..$60
inanchor: Search for pages with backlinks containing specific anchor text. inanchor:apple
allinanchor: Search for pages with backlinks containing multiple words in their anchor text. allinanchor:apple iphone
AROUND(X) Search for pages with two words or phrases within X words of one another. apple AROUND(4) iphone
loc: Find results from a given area. loc:”san francisco” apple
location: Find news from a certain location in Google News. location:”san francisco” apple
daterange: Search for results from a particular date range. daterange:11278-13278

People

https://merill.net/ / https://github.com/merill - Big Azure AD / Entra Guy. Makes a LOT of tools, sites and references that are very useful. Plus a great entra ID newsletter and I think is blog is good too!
https://entra.news/ - the newsletter from the guy above.

https://www.hanselman.com/ - Scott Hanselman - Vice President at Microsoft, Developer Community
http://www.hanselman.com/tools - Scotts Tool List https://www.hanselman.com/blog/

https://www.jsnover.com/ - Father of PowerShell

https://devblogs.microsoft.com/oldnewthing/author/oldnewthing - Raymond Chen - old MS Developer with some good stories
https://devblogs.microsoft.com/oldnewthing/

https://www.superhouse.tv/

Misc Misc Misc

Formatting Sandbox