Skip to content

fix(security): prevent X-Forwarded-For IP spoofing #1265

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
jwidan wants to merge 1 commit into
base: main
Choose a base branch
from
Open

fix(security): prevent X-Forwarded-For IP spoofing #1265

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion packages/backend/src/app.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,9 @@ export default function makeApp() {
}))

// Set to trust proxy so we can resolve client IP address
app.enable('trust proxy')
// We trust internal network IPs (like the internal Azure infrastructure) as proxies.
// This tracks the real client IP regardless of the number of internal routing hops, while stripping spoofed headers.
app.set('trust proxy', ['loopback', 'linklocal', 'uniquelocal'])

app.use(iRequestMiddleware);
app.use(loggerMiddleware);
Expand Down