admins 4734b99bea Document DNS-rebind residual and prod-enablement egress hardening
The security docs claimed the in-browser SSRF filter (context.route/
routeWebSocket) re-applies "the same filtering" as the pre-fetch DNS
check. That's inaccurate for hostnames: the browser-level filter only
blocks literal private IPs and localhost/.local/.internal suffixes —
it never re-resolves hostnames, so a same-hostname DNS-rebind (public
IP on first resolve, private IP on a later request from inside
browserless) is not closed at that layer. Correct the wording in the
design spec and TECHNICAL.md, and add a prominent note to both the
spec's deploy section and the plan's deploy notes: before flipping
TOOLBOX_VISIBLE on prod, harden the browserless container's network
egress (block 169.254.0.0/16 and RFC1918 ranges via host firewall or
a dedicated internal docker network) to close the residual at the
network layer. Also note that per-user limits currently count only
successful generations — failed renders are uncapped, a bounded
self-DoS risk worth a follow-up.
2026-07-06 13:47:00 +05:00
2026-07-06 11:21:01 +05:00
2026-04-07 11:30:38 +05:00

This is a Next.js project bootstrapped with create-next-app.

Getting Started

First, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.

This project uses next/font to automatically optimize and load Geist, a new font family for Vercel.

Learn More

To learn more about Next.js, take a look at the following resources:

You can check out the Next.js GitHub repository - your feedback and contributions are welcome!

Deploy on Vercel

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Check out our Next.js deployment documentation for more details.

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LMS Second Brain — собственная образовательная платформа
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