Avishai Ish-Shalom

TLS hostname, http virtualhosting

- Layers (OSI, ip suite) - DNS (#10) - End to end principle - IP Routing: gateways, subnets - TCP - TLS/SSL - HTTP - Virtual hosting - Proxies, routers,...

Introduction to resilience engineering

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- The risk matrix (impact/frequency) and the long tail - Failure domains - Blast radius/bulkheading - Preconditions/limits of automation - Runbooks - Monitoring/observability

Git

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Intro to Git - Merkle trees - Content addressable storage - Blobs, commits, heads - Repo, work tree, staging area - Merges vs rebase

Compare 3 ways of getting to the internet with packet capture and OSI diagrams - Router - packets not touched only moved - NAT - Layer 3/4 address rewrite -...

tools

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Why tools Build your tools Get your tools Combine your tools Master your tools (only a few, choose carefully)

- TLS handshake, latency - SNI headers, encrypted SNI - Certificates and validation (client and server) - TLS record sizes and TCP MSS - Certificate chain and bundles

- What is PAM - Integrating SSO using PAM - Automating audit, session management etc

- What is a grid and why you need it - K8s, Nomad, ECS, etc - Responsibilities of a grid - Scheduling - Process management - Resource management - Auxiliary...