# Networking
1. [Introduction](#introduction)
2. [CIDR subnets](#cidr-subnets)
1. [IPAM Tools. NetBox IPAM](#ipam-tools-netbox-ipam)
3. [HTTP Protocols](#http-protocols)
1. [HTTP Status Codes](#http-status-codes)
2. [HTTP/2](#http2)
3. [HTTP/3](#http3)
4. [HTTP Structured Fields](#http-structured-fields)
4. [Container Networking](#container-networking)
5. [Azure](#azure)
6. [Load Balancing](#load-balancing)
7. [DNS](#dns)
8. [Images](#images)
9. [Tweets](#tweets)
## Introduction
- [networkwalks.com: TCP/IP Model](https://networkwalks.com/tcp-ip-model/)
- [devopscube.com: IP Address Tutorial For Beginners [IPV4 and IPV6 Protocols]](https://devopscube.com/ip-address-tutorial//)
- [medium.com/javarevisited: 5 Best HTTPS, SSL and TLS Courses for Beginners in 2022](https://medium.com/javarevisited/best-https-ssl-and-tls-courses-for-beginners-4437661250b3) These are the best online courses to learn about HTTPS, SSL, and TLS for programmers and developers in 2022
- [blog.coderco.io: TCP Fundamentals for Software & DevOps Engineers: Building a Strong Foundation in Networking](https://blog.coderco.io/p/tcp-fundamentals-for-software-and)
## CIDR subnets
- [==cidr.xyz== 🌟](https://cidr.xyz) An interactive IP address and CIDR range visualizer
- [magic-cookie.co.uk/iplist.html](http://magic-cookie.co.uk/iplist.html) Convert CIDR notation to a range of IP addresses
- https://en.wikipedia.org/wiki/Classful_network
- [gist.github.com: chadmcrowell/cidr.sh 🌟](https://gist.github.com/chadmcrowell/f3fc3be2ca1fcb887034162c14d77e74)
- [==opensource.com: A Linux networking guide to CIDR notation and configuration - sipcalc== 🌟](https://opensource.com/article/16/12/cidr-network-notation-configuration-linux)
- [pbxbook.com: CIDR Cheat Sheet](https://pbxbook.com/other/cidrcheat.html)
- [aelius.com: subnet sheet](https://www.aelius.com/njh/subnet_sheet.html)
- [networkproguide.com: CIDR Subnet Mask Cheat Sheet](https://networkproguide.com/cidr-subnet-mask-ipv4-cheat-sheet//)
- [wisc.edu: CIDR Conversion Table](https://kb.wisc.edu/ns/page.php?id=3493)
- [dzone: What Is CIDR (Classless Inter-Domain Routing)](https://dzone.com/articles/what-is-cidr-classless-inter-domain-routing-in-mul)
- [cyberciti.biz: Linux: IP Subnet (CIDR) Calculator That Will Help You With Network Settings](https://www.cyberciti.biz/faq/linux-subnet-calculator-cidr/)
- [cyberciti.biz: Linux Calculating Subnets with ipcalc and sipcalc Utilities](https://www.cyberciti.biz/tips/perform-simple-manipulation-of-ip-addresse.html)
- [tecmint.com: How to Calculate IP Subnet Address with ipcalc Tool](https://www.tecmint.com/calculate-ip-subnet-address-with-ipcalc-tool//)
- [awesomeopensource.com: The Top 110 Cidr Open Source Projects on Github 🌟](https://awesomeopensource.com/projects/cidr)
- [matt-rickard.com: How to Calculate a CIDR](https://mattrickard.com/how-to-calculate-a-cidr)
- [build5nines.com: IPv4 Address CIDR Range Reference and Calculator](https://build5nines.com/ipv4-address-cidr-range-reference-and-calculator//)
### IPAM Tools. NetBox IPAM
- [==github.com/netbox-community/netbox== 🌟](https://github.com/netbox-community/netbox)
- [netboxlabs.com: An In-Depth Guide to NetBox for IPAM](https://netboxlabs.com/blog/netbox-ipam//)
- [youtube: NetBox Zero To Hero](https://www.youtube.com/playlist?list=PL7sEPiUbBLo_iTds-NV-9Tu05Gg2Aj8N7)
- https://hub.docker.com/r/netboxcommunity/netbox
- [docs.ansible.com: Netbox Ansible Modules 🌟](https://docs.ansible.com/projects/ansible/latest/collections/netbox/netbox/index.html)
## HTTP Protocols
- [wizardzines.com: Request Headers](https://wizardzines.com/comics/request-headers/)
- [wizardzines.com: Response Headers](https://wizardzines.com/comics/response-headers//)
### HTTP Status Codes
- [wikipedia: List of HTTP status codes](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes)
- [slideshare: Http Status Code Errors in SEO](http://www.slideshare.net/AdelaRoger/http-status-code-errors-in-seo)
- [http.cat 🌟](https://http.cat)
[{: style="width:50%"}](https://x.com/alexxubyte)
### HTTP/2
- [Wikipedia: HTTP/2](https://en.wikipedia.org/wiki/HTTP/2)
- [SPDY & HTTP 2 with Akamai CTO Guy Podjarny](https://www.youtube.com/watch?v=WkLBrHW4NhQ)
- [cURL mantainer: http2 explained 🌟](http://http2-explained.haxx.se/)
- [cURL mantainer: curl and HTTP/2 by default](http://daniel.haxx.se/blog/2015/12/14/curl-and-http2-by-default/)
- [cURL mantainer: A 2015 retrosprective](http://daniel.haxx.se/blog/2015/12/20/a-2015-retrospective/)
- [http2.github.io HTTP/2 🌟](https://http2.github.io)
- [http2.github.io HTTP/2 Frequently Asked Questions 🌟](https://http2.github.io/faq//)
- [HTTP/2 resources](https://pinboard.in/u:rmurphey/t:http2/)
- [A Simple Performance Comparison of HTTPS, SPDY and HTTP/2 🌟](https://blog.httpwatch.com/2015/01/16/a-simple-performance-comparison-of-https-spdy-and-http2/comment-page-1//)
- [blog.cloudflare.com - Tools for debugging, testing and using HTTP/2](https://blog.cloudflare.com/tools-for-debugging-testing-and-using-http-2//)
- [blog.cloudflare.com - HTTP/2 For Web Developers](https://blog.cloudflare.com/http-2-for-web-developers//)
- [HTTP/2 With JBoss EAP 7 - Tech Preview](http://blog.eisele.net/2015/11/http2-with-jboss-eap-7.html)
- [simple-talk.com: Script Loading between HTTP/1.1 and HTTP/2](https://www.red-gate.com/simple-talk/development/dotnet-development/script-loading-between-http1-1-and-http2//)
- [5 Tips to Boost the Performance of Your Apache Web Server](http://www.tecmint.com/apache-performance-tuning/)
### HTTP/3
- [Wikipedia: HTTP/3](https://en.wikipedia.org/wiki/HTTP/3)
- [==http3-explained.haxx.se: HTTP/3 explained== 🌟](https://http3-explained.haxx.se/)
- [alexandrehtrb.github.io: HTTP/2 and HTTP/3 explained](https://alexandrehtrb.github.io/posts/2024/03/http2-and-http3-explained//)
### HTTP Structured Fields
- [Improving HTTP with structured header fields 🌟](https://www.fastly.com/blog/improve-http-structured-headers)
- [http-sfv: HTTP Structured Field Values in Python](https://pypi.org/project/http-sfv/)
## Container Networking
- [Private Link Reality Bites: Service Endpoints vs Private Link](https://blog.cloudtrooper.net/2025/02/17/private-link-reality-bites-service-endpoints-vs-private-link//) - *(Related to kubernetes-networking topic)*
## Azure
- [Which Azure Network is Cheaper?](https://blog.cloudtrooper.net/2026/01/16/which-azure-network-is-cheaper//) - *(Related to azure topic)*
- [Manage Azure IPAM with Terraform](https://mattias.engineer/blog/2025/azure-ipam-with-terraform//) - *(Related to azure topic)*
- [Deploying Virtual Networks Across Tenants Using Azure Virtual Network Manager](https://techcommunity.microsoft.com/blog/azurenetworkingblog/deploying-virtual-networks-across-tenants-using-azure-virtual-network-manager-ip/4410161) - *(Related to azure topic)*
- [Introducing Subnet Peering in Azure](https://techcommunity.microsoft.com/blog/azurenetworkingblog/introducing-subnet-peering-in-azure/4383841) - *(Related to azure topic)*
- [Reduce Latency with Azure Proximity Placement Groups](https://hansencloud.com/2025/02/24/reduce-latency-with-azure-proximity-placement-groups//) - *(Related to azure topic)*
- [Building a DDoS Response Plan with Azure DDoS Protection](https://techcommunity.microsoft.com/blog/azurenetworksecurityblog/building-a-ddos-response-plan/4372256) - *(Related to azure topic)*
- [Azure ExpressRoute Resiliency: Best Practices for Production-Critical Workloads](https://techcommunity.microsoft.com/blog/AzureInfrastructureBlog/azure-expressroute-resiliency-best-practices-for-production-critical-workloads/4394842) - *(Related to aws-networking topic)*
- [Application Network Security in Azure Subnets, Endpoints, DNS, NSGs with Terraform Code](https://medium.com/@codebob75/application-network-security-in-azure-subnets-endpoints-dns-nsgs-with-terraform-code-0bcabdb3a65b) - *(Related to azure topic)*
- [Azure Products by Region Table](https://azure.microsoft.com/en-us/explore/global-infrastructure/products-by-region/table) - *(Related to azure topic)*
- [Hub-Spoke Network Topology in Azure - Azure Architecture Center](https://learn.microsoft.com/en-us/azure/architecture/networking/architecture/hub-spoke) - *(Related to azure topic)*
- [Azure Network Security Perimeter Concepts](https://learn.microsoft.com/en-us/azure/private-link/network-security-perimeter-concepts) - *(Related to azure topic)*
- [A Guide to Azure Data Transfer Pricing](https://techcommunity.microsoft.com/blog/AzureNetworkingBlog/a-guide-to-azure-data-transfer-pricing/4374538) - *(Related to azure topic)*
- [iximiuz.com: Container Networking Is Simple! 🌟](https://iximiuz.com/en/posts/container-networking-is-simple/)
- How to virtualize network resources to make containers think each of them has a dedicated network stack?
- How to reach the outside world (e.g. the Internet) from inside the container?
## Load Balancing
- [NFTables mode for kube-proxy in Kubernetes](https://kubernetes.io/blog/2025/02/28/nftables-kube-proxy//) - *(Related to kubernetes-networking topic)*
- [harshityadav95.medium.com: Load Balancing Layer 4 vs Layer 7](https://harshityadav95.medium.com/load-balancing-layer-4-vs-layer-7-f37a839afd9c)
## DNS
- [==media.pearsoncmg.com: Recursive/Iterative Queries in DNS==](https://media.pearsoncmg.com/aw/ecs_kurose_compnetwork_7/cw/content/interactiveanimations/recursive-iterative-queries-in-dns/index.html) In Chapter 2 of the text the authors give examples of recursive and iterative DNS queries. This DNS interactive animation animates additional combinations of iterative and recursive queries among four name servers.
## Images
??? note "Click to expand!"
## Tweets
??? note "Click to expand!"