authentik Not found error to Proxy authentication

Describe the bug For not repeating, issue is describe in https://github.com/goauthentik/authentik/discussions/14827

Logs Output of docker-compose logs or kubectl logs respectively

server-1  | {"auth_via": "session", "domain_url": "auth.domain.com", "event": "/outpost.goauthentik.io/start?rd=http://movie.download.domain.com/", "host": "auth.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 160204, "remote": "192.168.1.2", "request_id": "7079804fe6824813bd0abc6ba9a6ea39", "runtime": 24, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-06-06T14:32:07.655050", "user": "stefan", "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36"}
server-1  | {"domain_url": null, "event": "/ws/client/", "level": "info", "logger": "authentik.asgi", "pid": 159031, "remote": "192.168.1.2", "schema_name": "public", "scheme": "ws", "timestamp": "2025-06-06T14:32:14.609997", "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36"}

Version and Deployment (please complete the following information):

authentik version: 2025.6.0
Deployment: docker-compose

Additional context Add any other context about the problem here.

Jun 06 '25 14:06 StafLoker

Same issue here, and I’m using Traefik proxy

Jun 14 '25 09:06 Junto026

I am using traefik. Same error. And also it is trying to load some static resources from app domain and fails to do it.

from authentik logs: ` authentik-server | {"event":"hello'd","level":"trace","logger":"authentik.outpost.ak-api-controller","loop":"ws-health","timestamp":"2025-07-08T12:25:32Z"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; rl_anonymous_id=RudderEncrypt%3AU2FsdGVkX19W1tB2aG%2FgZlmgJX%2F9Z43HF1b8Z9cGCU%2FHWBAgz3lh%2Fk%2BLZT5Pb9JeSIF2VkF8HAMo1JwgXQt8IQ%3D%3D; rl_page_init_referrer=RudderEncrypt%3AU2FsdGVkX1%2B4sGzSQUuq9Tpf%2Bd5TCeXUsmmIxoVNqrc%3D; rl_page_init_referring_domain=RudderEncrypt%3AU2FsdGVkX1%2Bn2zvAaDWqr2yVcZfglkPKmV274Ce4pNw%3D; rl_user_id=RudderEncrypt%3AU2FsdGVkX1%2BzDadZPZvQP1g3xe1e3aSGu5%2FEvAa%2FDE9ujA4DFZKJnmu1YI1cG3ZOFBSkv5jpWUDKx%2B8WiBx8fkTxxUk7OzQjpGOIqIRQvdbQoBYPAjJW7QFb4QL83dq6Y0cH1RWH%2FuFc2YF88VIrnzmC7YQX7BIy0PycdnfYQpk%3D; rl_trait=RudderEncrypt%3AU2FsdGVkX18uuQq0k7RUrRRDiaw3Un97TgDJ%2BB8VilzHYw026lRVQchuUjY5QCgbG2HrCQyoXCzHCV2Vw2J%2FE0Ul2Vpy3T%2F61wllekRbGx6hnfk4yEPzSb8%2FIrv%2FJvsYt9yOPOr15ZW7jyzC5Acc6w%3D%3D; ph_phc_4URIAm1uYfJO7j8kWSe0J8lc8IqnstRLS7Jx8NcakHo_posthog=%7B%22distinct_id%22%3A%2257ebddca4949ee622876c48dba90b3454507f5aee393ea0e8dc10daeebe8d3a9%2359fcccba-f881-4b5c-a9ed-32e2c9601ace%22%2C%22%24sesid%22%3A%5B1750962306215%2C%220197ad70-4596-7c44-9d93-53c823230dfe%22%2C1750961505686%5D%2C%22%24epp%22%3Atrue%2C%22%24initial_person_info%22%3A%7B%22r%22%3A%22%24direct%22%2C%22u%22%3A%22https%3A%2F%2Fn8n.domain.com%2Fsignin%3Fredirect%3D%25252F%22%7D%7D"],"Priority":["u=0, i"],"Sec-Fetch-Dest":["document"],"Sec-Fetch-Mode":["navigate"],"Sec-Fetch-Site":["none"],"Sec-Fetch-User":["?1"],"Upgrade-Insecure-Requests":["1"],"User-Agent":["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"auth_via": "unauthenticated", "domain_url": "test.domain.com", "event": "/outpost.goauthentik.io/auth/traefik", "host": "test.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 59, "remote": "192.168.200.1", "request_id": "11bbb0ce599e4a15a32ff491cb6c48e5", "runtime": 15, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-07-08T12:25:36.063057", "user": "", "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["text/css,/;q=0.1"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; rl_anonymous_id=RudderEncrypt%3AU2FsdGVkX19W1tB2aG%2FgZlmgJX%2F9Z43HF1b8Z9cGCU%2FHWBAgz3lh%2Fk%2BLZT5Pb9JeSIF2VkF8HAMo1JwgXQt8IQ%3D%3D; rl_page_init_referrer=RudderEncrypt%3AU2FsdGVkX1%2B4sGzSQUuq9Tpf%2Bd5TCeXUsmmIxoVNqrc%3D; rl_page_init_referring_domain=RudderEncrypt%3AU2FsdGVkX1%2Bn2zvAaDWqr2yVcZfglkPKmV274Ce4pNw%3D; rl_user_id=RudderEncrypt%3AU2FsdGVkX1%2BzDadZPZvQP1g3xe1e3aSGu5%2FEvAa%2FDE9ujA4DFZKJnmu1YI1cG3ZOFBSkv5jpWUDKx%2B8WiBx8fkTxxUk7OzQjpGOIqIRQvdbQoBYPAjJW7QFb4QL83dq6Y0cH1RWH%2FuFc2YF88VIrnzmC7YQX7BIy0PycdnfYQpk%3D; rl_trait=RudderEncrypt%3AU2FsdGVkX18uuQq0k7RUrRRDiaw3Un97TgDJ%2BB8VilzHYw026lRVQchuUjY5QCgbG2HrCQyoXCzHCV2Vw2J%2FE0Ul2Vpy3T%2F61wllekRbGx6hnfk4yEPzSb8%2FIrv%2FJvsYt9yOPOr15ZW7jyzC5Acc6w%3D%3D; ph_phc_4URIAm1uYfJO7j8kWSe0J8lc8IqnstRLS7Jx8NcakHo_posthog=%7B%22distinct_id%22%3A%2257ebddca4949ee622876c48dba90b3454507f5aee393ea0e8dc10daeebe8d3a9%2359fcccba-f881-4b5c-a9ed-32e2c9601ace%22%2C%22%24sesid%22%3A%5B1750962306215%2C%220197ad70-4596-7c44-9d93-53c823230dfe%22%2C1750961505686%5D%2C%22%24epp%22%3Atrue%2C%22%24initial_person_info%22%3A%7B%22r%22%3A%22%24direct%22%2C%22u%22%3A%22https%3A%2F%2Fn8n.domain.com%2Fsignin%3Fredirect%3D%25252F%22%7D%7D"],"Priority":["u=2"],"Referer":["https://test.domain.com/"],"Sec-Fetch-Dest":["style"],"Sec-Fetch-Mode":["no-cors"],"Sec-Fetch-Site":["same-origin"],"User-Agent":["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/static/dist/patternfly.min.css"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["text/css,/;q=0.1"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; rl_anonymous_id=RudderEncrypt%3AU2FsdGVkX19W1tB2aG%2FgZlmgJX%2F9Z43HF1b8Z9cGCU%2FHWBAgz3lh%2Fk%2BLZT5Pb9JeSIF2VkF8HAMo1JwgXQt8IQ%3D%3D; rl_page_init_referrer=RudderEncrypt%3AU2FsdGVkX1%2B4sGzSQUuq9Tpf%2Bd5TCeXUsmmIxoVNqrc%3D; rl_page_init_referring_domain=RudderEncrypt%3AU2FsdGVkX1%2Bn2zvAaDWqr2yVcZfglkPKmV274Ce4pNw%3D; rl_user_id=RudderEncrypt%3AU2FsdGVkX1%2BzDadZPZvQP1g3xe1e3aSGu5%2FEvAa%2FDE9ujA4DFZKJnmu1YI1cG3ZOFBSkv5jpWUDKx%2B8WiBx8fkTxxUk7OzQjpGOIqIRQvdbQoBYPAjJW7QFb4QL83dq6Y0cH1RWH%2FuFc2YF88VIrnzmC7YQX7BIy0PycdnfYQpk%3D; rl_trait=RudderEncrypt%3AU2FsdGVkX18uuQq0k7RUrRRDiaw3Un97TgDJ%2BB8VilzHYw026lRVQchuUjY5QCgbG2HrCQyoXCzHCV2Vw2J%2FE0Ul2Vpy3T%2F61wllekRbGx6hnfk4yEPzSb8%2FIrv%2FJvsYt9yOPOr15ZW7jyzC5Acc6w%3D%3D; ph_phc_4URIAm1uYfJO7j8kWSe0J8lc8IqnstRLS7Jx8NcakHo_posthog=%7B%22distinct_id%22%3A%2257ebddca4949ee622876c48dba90b3454507f5aee393ea0e8dc10daeebe8d3a9%2359fcccba-f881-4b5c-a9ed-32e2c9601ace%22%2C%22%24sesid%22%3A%5B1750962306215%2C%220197ad70-4596-7c44-9d93-53c823230dfe%22%2C1750961505686%5D%2C%22%24epp%22%3Atrue%2C%22%24initial_person_info%22%3A%7B%22r%22%3A%22%24direct%22%2C%22u%22%3A%22https%3A%2F%2Fn8n.domain.com%2Fsignin%3Fredirect%3D%25252F%22%7D%7D"],"Priority":["u=2"],"Referer":["https://test.domain.com/"],"Sec-Fetch-Dest":["style"],"Sec-Fetch-Mode":["no-cors"],"Sec-Fetch-Site":["same-origin"],"User-Agent":["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/static/dist/authentik.css"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"cidr":"172.16.0.0/12","event":"Using remote IP from proxy protocol","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"cidr":"172.16.0.0/12","event":"Using remote IP from proxy protocol","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["/"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; rl_anonymous_id=RudderEncrypt%3AU2FsdGVkX19W1tB2aG%2FgZlmgJX%2F9Z43HF1b8Z9cGCU%2FHWBAgz3lh%2Fk%2BLZT5Pb9JeSIF2VkF8HAMo1JwgXQt8IQ%3D%3D; rl_page_init_referrer=RudderEncrypt%3AU2FsdGVkX1%2B4sGzSQUuq9Tpf%2Bd5TCeXUsmmIxoVNqrc%3D; rl_page_init_referring_domain=RudderEncrypt%3AU2FsdGVkX1%2Bn2zvAaDWqr2yVcZfglkPKmV274Ce4pNw%3D; rl_user_id=RudderEncrypt%3AU2FsdGVkX1%2BzDadZPZvQP1g3xe1e3aSGu5%2FEvAa%2FDE9ujA4DFZKJnmu1YI1cG3ZOFBSkv5jpWUDKx%2B8WiBx8fkTxxUk7OzQjpGOIqIRQvdbQoBYPAjJW7QFb4QL83dq6Y0cH1RWH%2FuFc2YF88VIrnzmC7YQX7BIy0PycdnfYQpk%3D; rl_trait=RudderEncrypt%3AU2FsdGVkX18uuQq0k7RUrRRDiaw3Un97TgDJ%2BB8VilzHYw026lRVQchuUjY5QCgbG2HrCQyoXCzHCV2Vw2J%2FE0Ul2Vpy3T%2F61wllekRbGx6hnfk4yEPzSb8%2FIrv%2FJvsYt9yOPOr15ZW7jyzC5Acc6w%3D%3D; ph_phc_4URIAm1uYfJO7j8kWSe0J8lc8IqnstRLS7Jx8NcakHo_posthog=%7B%22distinct_id%22%3A%2257ebddca4949ee622876c48dba90b3454507f5aee393ea0e8dc10daeebe8d3a9%2359fcccba-f881-4b5c-a9ed-32e2c9601ace%22%2C%22%24sesid%22%3A%5B1750962306215%2C%220197ad70-4596-7c44-9d93-53c823230dfe%22%2C1750961505686%5D%2C%22%24epp%22%3Atrue%2C%22%24initial_person_info%22%3A%7B%22r%22%3A%22%24direct%22%2C%22u%22%3A%22https%3A%2F%2Fn8n.domain.com%2Fsignin%3Fredirect%3D%25252F%22%7D%7D"],"Referer":["https://test.domain.com/"],"Sec-Fetch-Dest":["script"],"Sec-Fetch-Mode":["cors"],"Sec-Fetch-Site":["same-origin"],"User-Agent":["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/static/dist/standalone/loading/index-2025.6.3.js"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["/"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; rl_anonymous_id=RudderEncrypt%3AU2FsdGVkX19W1tB2aG%2FgZlmgJX%2F9Z43HF1b8Z9cGCU%2FHWBAgz3lh%2Fk%2BLZT5Pb9JeSIF2VkF8HAMo1JwgXQt8IQ%3D%3D; 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Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/static/dist/poly-2025.6.3.js"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"cidr":"172.16.0.0/12","event":"Using remote IP from proxy protocol","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["image/avif,image/webp,image/png,image/svg+xml,image/;q=0.8,/;q=0.5"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; 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Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"auth_via": "unauthenticated", "domain_url": "test.domain.com", "event": "/outpost.goauthentik.io/auth/traefik", "host": "test.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 60, "remote": "192.168.200.1", "request_id": "0dedadcc4eed4c139c8c420f3c371384", "runtime": 14, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-07-08T12:25:36.195409", "user": "", "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"auth_via": "unauthenticated", "domain_url": "test.domain.com", "event": "/outpost.goauthentik.io/auth/traefik", "host": "test.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 59, "remote": "192.168.200.1", "request_id": "aaceb5eca0d5427d8ed55a001c597dba", "runtime": 19, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-07-08T12:25:36.199178", "user": "", "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"auth_via": "unauthenticated", "domain_url": "test.domain.com", "event": "/outpost.goauthentik.io/auth/traefik", "host": "test.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 60, "remote": "192.168.200.1", "request_id": "b77b256c93e244c99b671dbb06b6ebf6", "runtime": 16, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-07-08T12:25:36.200078", "user": "", "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"cidr":"172.16.0.0/12","event":"Setting proxy headers","level":"trace","remoteAddr":"172.20.0.3","timestamp":"2025-07-08T12:25:36Z"} authentik-server | {"event":"tracing request to backend","headers":{"Accept":["text/css,/*;q=0.1"],"Accept-Language":["ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"],"Cookie":["rl_session=RudderEncrypt%3AU2FsdGVkX1%2BnskuCNkUhh7G%2BEoDkO67njzE5R3sNKVKzipafXiWiC6M1VhuhL2iA8jU4fqekNhuotaE0GxPhHV70tZgJoas8fS5CwiJRxXnrQIwswtrPX%2BS5W6so7o9Rvntmjy%2FaLbJqnm6RG5cn9Q%3D%3D; 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Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"],"X-Forwarded-For":["192.168.200.1"],"X-Forwarded-Host":["test.domain.com"],"X-Forwarded-Method":["GET"],"X-Forwarded-Port":["443"],"X-Forwarded-Proto":["https"],"X-Forwarded-Server":["4c3822261316"],"X-Forwarded-Uri":["/static/dist/theme-dark.css"],"X-Real-Ip":["192.168.200.1"]},"level":"trace","logger":"authentik.router","timestamp":"2025-07-08T12:25:36Z","url":"http://localhost:8000/outpost.goauthentik.io/auth/traefik"} authentik-server | {"auth_via": "unauthenticated", "domain_url": "test.domain.com", "event": "/outpost.goauthentik.io/auth/traefik", "host": "test.domain.com", "level": "info", "logger": "authentik.asgi", "method": "GET", "pid": 60, "remote": "192.168.200.1", "request_id": "4faa48d3c71949eda1d7de711fd414c8", "runtime": 4, "schema_name": "public", "scheme": "https", "status": 404, "timestamp": "2025-07-08T12:25:36.226194", "user": "", "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0"} authentik-server | {"cidr":"127.0.0.0/8","event":"Using remote IP from proxy protocol","level":"trace","remoteAddr":"127.0.0.1","timestamp":"2025-07-08T12:25:41Z"} authentik-server | {"cidr":"127.0.0.0/8","event":"Setting proxy headers","level":"trace","remoteAddr":"127.0.0.1","timestamp":"2025-07-08T12:25:41Z"} authentik-server | {"event":"hello'd","level":"trace","logger":"authentik.outpost.ak-api-controller","loop":"ws-health","timestamp":"2025-07-08T12:25:42Z"}

`

Jul 08 '25 12:07 vgdh

I was having the same issues last 24 hours trying to setup authentik for the first time. I eventually followed these instructions and was able to successfully get proxy authentication working. The key piece I was missing was adding the middlewares-authentik config rules (shown in that repo).

@vgdh when I got that not found error, it was because I hadn't assigned my application inside the embedded output. Edit the embedded output and you will see a window where you move the application from the left side to right side.

Also, I would do your testing incognito. I had my configuration set properly and it was still giving me an error. After I switched browsers, it worked fine. Cleared cache & cookies on original browser and it worked there too.

Jul 09 '25 17:07 nbyloff

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

Sep 08 '25 02:09 authentik-automation[bot]