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Category: CyberSecurity

Posted on 05/06/202606/06/2026 by CLN

Hooking MISP up to Authentik (OIDC) + trusting an internal CA

Wiring MISP to Authentik over OIDC on the official misp-docker image (OIDC_* vs OIDCAUTH_*, JSON role mapping) and getting it to trust an internal CA — the cURL #60 fix is one cert per .crt file.

Read the Post Hooking MISP up to Authentik (OIDC) + trusting an internal CA
Posted on 05/04/202605/04/2026 by CLN

Passwordless sudo for Docker on Synology DSM

Docker on Synology DSM requires sudo for every command. if you’re tired of typing your password every time, here’s how to allow passwordless sudo docker via a sudoers drop-in file. add docker to your PATH […]

Read the Post Passwordless sudo for Docker on Synology DSM
Posted on 07/03/202610/03/2026 by CLN

How to Protect Any App with Authentik and Traefik Forward Auth

You have a web app. You want to put it behind authentication without touching the app’s code. Traefik and Authentik make this possible with forward authentication – Traefik asks Authentik “is this user allowed?” before […]

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Posted on 07/03/202610/03/2026 by CLN

LiteLLM + Authentik SSO: Full Admin Access with Automatic Role Mapping

LiteLLM is an OpenAI-compatible proxy that lets you route requests to multiple LLM providers through a single API. It has a built-in admin UI with SSO support. Authentik is an open-source identity provider that supports […]

Read the Post LiteLLM + Authentik SSO: Full Admin Access with Automatic Role Mapping
Posted on 06/02/202608/03/2026 by CLN

Getting applications to work with CA bundles / onprem / self hosted with dockers

Notes to my future self Get a bundle of the CA + if applicable the sub CA and append themThrow them into a docker secret mount them as a secret, under your service mount them […]

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Posted on 06/02/202610/03/2026 by CLN

Notes on getting authentik working

A collection of notes and fixes from setting up authentik as an identity provider with Active Directory LDAP sync, Traefik forward auth, and Docker Swarm. The two main gotchas: AD syncs computer objects as users […]

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Posted on 19/03/202512/06/2025 by CLN

Passing ITIL 4 foundation in a few days

I watched the Itil 4 Foundation Exam Preparation Training by Value Insights on youtube https://www.youtube.com/watch?v=HloUhMK4E6I&list=PLVzkjYR3xN1V9nlcECuygEZVlS4rj5qaf took notes. Then I did the D12 itil quiz until I was reaching 70% 3 times in a row. https://d12.github.io/itil-quiz […]

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Posted on 12/10/202412/10/2024 by CLN

CERT-EU Lightning Talk: Elevating phishing defence with On-Prem LLMs

Empowering SOC Analysts through AI NOTE: This content is from my experiences until October 2024, LLM’s might evolve and no longer need these tips & tricks.No LLMs were used to generate this blog post or […]

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Posted on 01/08/202412/10/2024 by CLN

Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)

Its just me on my tenant, want to be able to forward 🙂 Login as administrator on https://security.microsoft.com/ Go to “Email & collaboration” then “Policies & Rules” Locate the anti-spam outbound policy

Read the Post Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)
Posted on 20/07/202412/10/2024 by CLN

WriteUp on how to crack a 7z password

Just my brain dump, for future use on how to crack a 7z password (as a CTF challenge of course 😉) Required tools Word lists I’ve had success with these any/or Rules for hashcat Preparation […]

Read the Post WriteUp on how to crack a 7z password

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