--- title: Sanctum introduction | daily.dev description: Sanctum is a small, experimental, fully privilege separated VPN daemon that transports encrypted network traffic between two peers. It uses a multi-process... canonical: https://daily.dev/posts/sanctum-introduction-aquppp0pz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Sanctum introduction | daily.dev og:description: Sanctum is a small, experimental, fully privilege separated VPN daemon that transports encrypted network traffic between two peers. It uses a multi-process... og:url: https://daily.dev/posts/sanctum-introduction-aquppp0pz og:image: https://api.daily.dev/og/posts/AQupPP0pz.png og:image:alt: Sanctum introduction og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Sanctum introduction **[Lobsters](https://daily.dev/sources/lobsters)** · 3 min read · 2 upvotes · 0 comments ## Summary Sanctum is a small, experimental, fully privilege separated VPN daemon that transports encrypted network traffic between two peers. It uses a multi-process approach for fine-grained sandboxing, supports traffic encryption with AES256-GCM or Agelas, and uses shared symmetrical secrets for key exchange. The author wrote sanctum for personal privacy reasons and because they have experience building similar systems. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#encryption](https://daily.dev/tags/encryption), [#networking](https://daily.dev/tags/networking), [#privacy](https://daily.dev/tags/privacy), [#security](https://daily.dev/tags/security), [#vpn](https://daily.dev/tags/vpn) [View this post on daily.dev](https://daily.dev/posts/sanctum-introduction-aquppp0pz) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Sanctum introduction","url":"https://daily.dev/posts/sanctum-introduction-aquppp0pz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/sanctum-introduction-aquppp0pz"},"datePublished":"2024-04-29T17:25:35.195Z","dateModified":"2026-03-15T03:21:35.971Z","description":"Sanctum is a small, experimental, fully privilege separated VPN daemon that transports encrypted network traffic between two peers. It uses a multi-process...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/36447c5ae040807ac67656727a283388?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/36447c5ae040807ac67656727a283388?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/sanctum-introduction-aquppp0pz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"encryption,networking,privacy,security,vpn","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"Sanctum introduction"}]} ```