Sneak Link – Share links from Nextcloud, Immich, without full exposure

Hacker News

Hi HN! I've built Sneak Link to solve a common selfhosting problem: securely sharing content from internal services like NextCloud, Immich, or Paperless without exposing the entire service to the internet. Sneak Link works by using the share link itself as a kind of "knock", similar to old school port knocking. When someone accesses the link, Sneak Link verifies it with the backend service (e.g. NextCloud) to confirm that it's valid and public. If it checks out, SneakLink sets a signed cookie that grants temporary access to the service. It's designed for self-hosters running these services on internal networks who still want to share files or photos with friends and family. Right now, it supports NextCloud, Paperless-ngx, Immich, Seafile and Photoprism. It has a simple dashboard: https://github.com/felixandersen/sneak-link?tab=readme-ov-fi... and a Prometheus metrics endpoint. The project is open source. I have aimed at making it lightweight, with minimal dependencies. The architecture allows new services to be added. I'd love feedback from others running self-hosted setups or ideas for new integrations! Repo: https://github.com/felixandersen/sneak-link

Visit product View on Hacker NewsSep 29, 2025

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nativeThis product was originally launched on this platform.

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59%59% predicted probability of success on AppSumo, based on ML models trained on real launch data.

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0%0% predicted probability of success on BetaList, based on ML models trained on real launch data.

Incorrect prediction on native model

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