Frigate not redirecting on 302 #20888

banduraj78 · 2025-11-11T11:50:39Z

banduraj78
Nov 11, 2025

I currently have Frigate setup and functioning with caddy as a reverse proxy and have used both the caddy-security plugin and Authelia for authentication. In both cases (when using either caddy-security or Authelia), when the session times out, Frigate seems to fail to automatically redirect. Instead, what seems to happen is, as the Frigate page requests updated images and/or elements (e.g. cameras) a 302 with a location is returned and the individual cameras fail to load. Over time, all elements of the page fail to load.

Reading the Login page redirection sub section of the Authentication section of the Frigate docs indicate that:

Frigate gracefully performs login page redirection that should work with most authentication proxies. If your reverse proxy returns a Location header on 401, 302, or 307 unauthorized responses, Frigate's frontend will automatically detect it and redirect to that URL.

However, this is not the behavior that I am seeing. As soon as the token expires, and the page fails to start loading properly, reloading the page does forward to the back-end authentication page. But, my assumption was that Frigate would automatically redirect as soon as it received a 302 response of any kind and not need interaction from the user.

Maybe I am missing something in my setup?

blakeblackshear · 2025-11-11T11:51:25Z

inkeep-ai-assistant[bot]
bot Nov 11, 2025

Frigate's frontend is designed to automatically detect and redirect when a reverse proxy returns a Location header on 401, 302, or 307 unauthorized responses(1). If this is not happening in your setup with Caddy and either caddy-security or Authelia, it suggests that the redirect headers may not be reaching the Frigate frontend as expected, or the proxy setup might be interfering with how responses are delivered to the browser.

Key things to check:

Ensure your reverse proxy is configured to forward the necessary headers (including Location) directly to the client and is not modifying or stripping them.
Make sure Frigate's authentication is disabled if you are relying entirely on the upstream proxy for auth(1).
If you have custom header mappings or use non-standard header names, verify that these are correctly mapped in your Frigate config under the proxy section(1)(2).
Confirm that you are accessing Frigate via the authenticated port (8971) through the proxy(1).

If reloading the page triggers the redirect but background requests do not, it could indicate that the frontend JavaScript is not seeing the 302/Location headers on those background requests, possibly due to proxy or browser behavior.

For more details on reverse proxy setup and best practices, you may want to review the reverse proxy guide (3).

📚 Sources:

Have another question? Just tag @inkeep.

8 replies

blakeblackshear Nov 12, 2025
Maintainer

You should look at the network tab in the browser to check the headers on the response to ensure the location header is actually there. The browser console would also show any relevant errors.

banduraj78 Nov 18, 2025
Author

Yes, sorry for the late response. I did check it from the network tab in the developer tools of a browser. Please see below.

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    "_priority": "Low",
    "_resourceType": "image",
    "cache": {},
    "connection": "443",
    "request": {
      "method": "GET",
      "url": "https://nvr.contoso.local/viewer/api/Camera2/latest.webp?height=342&cache=1763127684604",
      "httpVersion": "http/2.0",
      "headers": [
        {
          "name": ":authority",
          "value": "nvr.contoso.local"
        },
        {
          "name": ":method",
          "value": "GET"
        },
        {
          "name": ":path",
          "value": "/viewer/api/Camera2/latest.webp?height=342&cache=1763127684604"
        },
        {
          "name": ":scheme",
          "value": "https"
        },
        {
          "name": "accept",
          "value": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8"
        },
        {
          "name": "accept-encoding",
          "value": "gzip, deflate, br, zstd"
        },
        {
          "name": "accept-language",
          "value": "en-US,en;q=0.9"
        },
        {
          "name": "dnt",
          "value": "1"
        },
        {
          "name": "priority",
          "value": "i"
        },
        {
          "name": "referer",
          "value": "https://nvr.contoso.local/viewer/"
        },
        {
          "name": "sec-ch-ua",
          "value": "\"Chromium\";v=\"142\", \"Microsoft Edge\";v=\"142\", \"Not_A Brand\";v=\"99\""
        },
        {
          "name": "sec-ch-ua-mobile",
          "value": "?0"
        },
        {
          "name": "sec-ch-ua-platform",
          "value": "\"Windows\""
        },
        {
          "name": "sec-fetch-dest",
          "value": "image"
        },
        {
          "name": "sec-fetch-mode",
          "value": "no-cors"
        },
        {
          "name": "sec-fetch-site",
          "value": "same-origin"
        },
        {
          "name": "user-agent",
          "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Edg/142.0.0.0"
        }
      ],
      "queryString": [
        {
          "name": "height",
          "value": "342"
        },
        {
          "name": "cache",
          "value": "1763127684604"
        }
      ],
      "cookies": [],
      "headersSize": -1,
      "bodySize": 0
    },
    "response": {
      "status": 302,
      "statusText": "Found",
      "httpVersion": "http/2.0",
      "headers": [
        {
          "name": "alt-svc",
          "value": "h3=\":443\"; ma=2592000"
        },
        {
          "name": "content-length",
          "value": "5"
        },
        {
          "name": "content-type",
          "value": "text/plain; charset=utf-8"
        },
        {
          "name": "date",
          "value": "Fri, 14 Nov 2025 13:41:31 GMT"
        },
        {
          "name": "location",
          "value": "/auth/?redirect_url=https%3A%2F%2Fnvr.contoso.local%2Fapi%2FCamera2%2Flatest.webp%3Fheight%3D342%26cache%3D1763127684604"
        },
        {
          "name": "server",
          "value": "Caddy"
        }
      ],
      "cookies": [],
      "content": {
        "size": 0,
        "mimeType": "text/plain"
      },
      "redirectURL": "/auth/?redirect_url=https%3A%2F%2Fnvr.contoso.local%2Fapi%2FCamera2%2Flatest.webp%3Fheight%3D342%26cache%3D1763127684604",
      "headersSize": -1,
      "bodySize": -1,
      "_transferSize": 156,
      "_error": null,
      "_fetchedViaServiceWorker": false
    },
    "serverIPAddress": "192.168.1.2",
    "startedDateTime": "2025-11-14T13:41:24.694Z",
    "time": 12.667999995755963,
    "timings": {
      "blocked": 0.5389999995203689,
      "dns": -1,
      "ssl": -1,
      "connect": -1,
      "send": 0.14500000000000002,
      "wait": 1.2010000056112184,
      "receive": 10.782999990624376,
      "_blocked_queueing": 0.23499999952036887,
      "_workerStart": -1,
      "_workerReady": -1,
      "_workerFetchStart": -1,
      "_workerRespondWithSettled": -1
    }

blakeblackshear Nov 18, 2025
Maintainer

Do you see an error message in the console logs? I think the problem may be that Caddy sends a location header that is only the path and not a full url. I think the frontend handler would need to be updated for this type of location header value.

banduraj78 Nov 18, 2025
Author

I see. I'll pull the console logs this next go around. Some things to note about why caddy may be doing this. In my setup, I have my authentication site at / and frigate at /viewer/. I am assigning the sub folder path per the recommended header X-Ingress-Path = /viewer.

banduraj78 Nov 19, 2025
Author

The console logs had these errors. Not sure how helpful they are.

i18n-DVPH9xps.js:40 TypeError: Cannot read properties of undefined (reading 'enabled')
at h.useMemo.r (main-REho_p1L.js:140:105450)
at Object.hp [as useMemo] (i18n-DVPH9xps.js:38:21780)
at US.yt.useMemo (i18n-DVPH9xps.js:9:6386)
at m3 (main-REho_p1L.js:140:104974)
at Eot (main-REho_p1L.js:140:105609)
at Bs (i18n-DVPH9xps.js:38:17392)
at of (i18n-DVPH9xps.js:40:3159)
at Mp (i18n-DVPH9xps.js:40:45426)
at Lp (i18n-DVPH9xps.js:40:40254)
at mg (i18n-DVPH9xps.js:40:40182)
Vo @ i18n-DVPH9xps.js:40
Ua.u.callback @ i18n-DVPH9xps.js:40
$c @ i18n-DVPH9xps.js:38
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
requestAnimationFrame
ux @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
qa @ i18n-DVPH9xps.js:40
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
se @ i18n-DVPH9xps.js:48
S @ i18n-DVPH9xps.js:48
b0 @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ Live-CkM3B0LA.js:3
setTimeout
(anonymous) @ Live-CkM3B0LA.js:3
qa @ i18n-DVPH9xps.js:40
Zo @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Nl @ i18n-DVPH9xps.js:40
J @ i18n-DVPH9xps.js:25
he @ i18n-DVPH9xps.js:25
i18n-DVPH9xps.js:40 TypeError: Cannot read properties of undefined (reading 'Camera2')
at main-REho_p1L.js:140:107266
at Array.forEach ()
at main-REho_p1L.js:140:107236
at Object.hp [as useMemo] (i18n-DVPH9xps.js:38:21780)
at US.yt.useMemo (i18n-DVPH9xps.js:9:6386)
at k3 (main-REho_p1L.js:140:106782)
at Hot (main-REho_p1L.js:140:108347)
at Bs (i18n-DVPH9xps.js:38:17392)
at of (i18n-DVPH9xps.js:40:3159)
at Mp (i18n-DVPH9xps.js:40:45426)
Vo @ i18n-DVPH9xps.js:40
Ua.u.callback @ i18n-DVPH9xps.js:40
$c @ i18n-DVPH9xps.js:38
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
requestAnimationFrame
ux @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
qa @ i18n-DVPH9xps.js:40
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
se @ i18n-DVPH9xps.js:48
S @ i18n-DVPH9xps.js:48
b0 @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ Live-CkM3B0LA.js:3
setTimeout
(anonymous) @ Live-CkM3B0LA.js:3
qa @ i18n-DVPH9xps.js:40
Zo @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Nl @ i18n-DVPH9xps.js:40
J @ i18n-DVPH9xps.js:25
he @ i18n-DVPH9xps.js:25
i18n-DVPH9xps.js:40 TypeError: Cannot convert undefined or null to object
at Object.keys ()
at Live-CkM3B0LA.js:3:89456
at Object.hp [as useMemo] (i18n-DVPH9xps.js:38:21780)
at US.yt.useMemo (i18n-DVPH9xps.js:9:6386)
at fa (Live-CkM3B0LA.js:3:89434)
at Bs (i18n-DVPH9xps.js:38:17392)
at of (i18n-DVPH9xps.js:40:3159)
at Mp (i18n-DVPH9xps.js:40:45426)
at Lp (i18n-DVPH9xps.js:40:40254)
at mg (i18n-DVPH9xps.js:40:40182)
Vo @ i18n-DVPH9xps.js:40
Ua.u.callback @ i18n-DVPH9xps.js:40
$c @ i18n-DVPH9xps.js:38
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
requestAnimationFrame
ux @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
qa @ i18n-DVPH9xps.js:40
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
se @ i18n-DVPH9xps.js:48
S @ i18n-DVPH9xps.js:48
b0 @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ Live-CkM3B0LA.js:3
setTimeout
(anonymous) @ Live-CkM3B0LA.js:3
qa @ i18n-DVPH9xps.js:40
Zo @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Nl @ i18n-DVPH9xps.js:40
J @ i18n-DVPH9xps.js:25
he @ i18n-DVPH9xps.js:25
i18n-DVPH9xps.js:38 Uncaught TypeError: Cannot read properties of undefined (reading 'enabled')
at h.useMemo.r (main-REho_p1L.js:140:105450)
at Object.hp [as useMemo] (i18n-DVPH9xps.js:38:21780)
at US.yt.useMemo (i18n-DVPH9xps.js:9:6386)
at m3 (main-REho_p1L.js:140:104974)
at Eot (main-REho_p1L.js:140:105609)
at Bs (i18n-DVPH9xps.js:38:17392)
at of (i18n-DVPH9xps.js:40:3159)
at Mp (i18n-DVPH9xps.js:40:45426)
at Lp (i18n-DVPH9xps.js:40:40254)
at mg (i18n-DVPH9xps.js:40:40182)
h.useMemo.r @ main-REho_p1L.js:140
hp @ i18n-DVPH9xps.js:38
US.yt.useMemo @ i18n-DVPH9xps.js:9
m3 @ main-REho_p1L.js:140
Eot @ main-REho_p1L.js:140
Bs @ i18n-DVPH9xps.js:38
of @ i18n-DVPH9xps.js:40
Mp @ i18n-DVPH9xps.js:40
Lp @ i18n-DVPH9xps.js:40
mg @ i18n-DVPH9xps.js:40
Pl @ i18n-DVPH9xps.js:40
wf @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
requestAnimationFrame
ux @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
qa @ i18n-DVPH9xps.js:40
Hr @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
hf @ i18n-DVPH9xps.js:40
bl @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
(anonymous) @ i18n-DVPH9xps.js:40
XMLHttpRequest.send
(anonymous) @ i18n-DVPH9xps.js:76
xhr @ i18n-DVPH9xps.js:76
ky @ i18n-DVPH9xps.js:78
_request @ i18n-DVPH9xps.js:79
request @ i18n-DVPH9xps.js:78
lu. @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:74
fetcher @ i18n-DVPH9xps.js:79
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
se @ i18n-DVPH9xps.js:48
S @ i18n-DVPH9xps.js:48
b0 @ i18n-DVPH9xps.js:48
(anonymous) @ i18n-DVPH9xps.js:48
(anonymous) @ Live-CkM3B0LA.js:3
setTimeout
(anonymous) @ Live-CkM3B0LA.js:3
qa @ i18n-DVPH9xps.js:40
Zo @ i18n-DVPH9xps.js:40
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Np @ i18n-DVPH9xps.js:40
is @ i18n-DVPH9xps.js:38
yg @ i18n-DVPH9xps.js:40
Gs @ i18n-DVPH9xps.js:40
Nl @ i18n-DVPH9xps.js:40
J @ i18n-DVPH9xps.js:25
he @ i18n-DVPH9xps.js:25

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