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

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