/Knowledge/sources/honojs__hono/llms-full/secure-headers-middleware-middleware-conflict--b4141254c782.md
Secure Headers Middleware: Middleware Conflict - hono-docs
Secure Headers Middleware: Middleware Conflict Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt middlew...
Secure Headers Middleware: Middleware Conflict
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#middleware-conflict
Summary
Please be cautious about the order of specification when dealing with middleware that manipulates the same header. In this case, Secure-headers operates and the x-powered-by is removed: ```ts const app = new Hono() app.use(secureHeader...
Content
Please be cautious about the order of specification when dealing with middleware that manipulates the same header.
In this case, Secure-headers operates and the x-powered-by is removed:
const app = new Hono()
app.use(secureHeaders())
app.use(poweredBy())
In this case, Powered-By operates and the x-powered-by is added:
const app = new Hono()
app.use(poweredBy())
app.use(secureHeaders())
Metadata
{
"chunk_index": 0,
"citation": "https://hono.dev/llms-full.txt#middleware-conflict",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Secure Headers Middleware > Middleware Conflict",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 230,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Secure Headers Middleware: Middleware Conflict",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
}