[GH-ISSUE #5966] authentication service unavailable - Reverse Proxy Service #12571

New Issue

saavagebueno · 2026-08-05T02:06:12-04:00

saavagebueno commented

2026-08-05 02:06:12 -04:00

Originally created by @davidkirch on GitHub (Apr 22, 2026).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/5966

After updating to the latest version (Management v0.69.0, Dashboard v2.37.0) I get this error on the web page when trying to access a reverse proxy service: “authentication service unavailable”.
Proxy logs:

netbird-proxy  | 2026-04-22T14:38:53.281Z WARN [scheme: oidc] proxy/internal/auth/middleware.go:349: authentication infrastructure error: get OIDC URL: rpc error: code = FailedPrecondition desc = create OIDC provider: Get "https://netbird.*******.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.******.de on 127.0.0.11:53: server misbehaving
netbird-proxy  | 2026-04-22T14:39:09.465Z WARN [scheme: oidc] proxy/internal/auth/middleware.go:349: authentication infrastructure error: get OIDC URL: rpc error: code = FailedPrecondition desc = create OIDC provider: Get "https://netbird.**********.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.***********.de on 127.0.0.11:53: server misbehaving
netbird-proxy  | 2026-04-22T14:40:34.860Z WARN [http-server: https] ./caller_not_available:0: http: TLS handshake error from 18*******34:52890: acme/autocert: missing server name

Netbird Server logs:

netbird-server  | 2026-04-22T14:39:09.464Z ERRO [context: GRPC, requestID: d7kdqvat1hcc73c9k4d0] management/internals/shared/grpc/proxy.go:822: failed to create OIDC provider: Get "https://netbird.********.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.**********.de on 127.0.0.11:53: server misbehaving
netbird-server  | 2026-04-22T14:39:34.312Z ERRO [context: HTTP, requestID: d7kdr9it1hcc73c9k4sg] shared/management/http/util/util.go:85: got a handler error: no valid authentication provided

Thanks in advance!

To Reproduce

Steps to reproduce the behavior:
Not sure unfortionately.

Expected behavior

A clear and concise description of what you expected to happen.

Are you using NetBird Cloud?

Please specify whether you use NetBird Cloud or self-host NetBird's control plane.

NetBird version

Management
v0.69.0
Dashboard
v2.37.0

Is any other VPN software installed?

No

Debug output

To help us resolve the problem, please attach the following anonymized status output

netbird status -dA

Create and upload a debug bundle, and share the returned file key:

netbird debug for 1m -AS -U

Uploaded files are automatically deleted after 30 days.

Alternatively, create the file only and attach it here manually:

netbird debug for 1m -AS

Screenshots

If applicable, add screenshots to help explain your problem.

Additional context

Add any other context about the problem here.

Have you tried these troubleshooting steps?

Reviewed client troubleshooting (if applicable)
Checked for newer NetBird versions
Searched for similar issues on GitHub (including closed ones)
Restarted the NetBird client
Disabled other VPN software
Checked firewall settings

Originally created by @davidkirch on GitHub (Apr 22, 2026). Original GitHub issue: https://github.com/netbirdio/netbird/issues/5966 After updating to the latest version (Management v0.69.0, Dashboard v2.37.0) I get this error on the web page when trying to access a reverse proxy service: “authentication service unavailable”. Proxy logs: ```bash netbird-proxy | 2026-04-22T14:38:53.281Z WARN [scheme: oidc] proxy/internal/auth/middleware.go:349: authentication infrastructure error: get OIDC URL: rpc error: code = FailedPrecondition desc = create OIDC provider: Get "https://netbird.*******.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.******.de on 127.0.0.11:53: server misbehaving netbird-proxy | 2026-04-22T14:39:09.465Z WARN [scheme: oidc] proxy/internal/auth/middleware.go:349: authentication infrastructure error: get OIDC URL: rpc error: code = FailedPrecondition desc = create OIDC provider: Get "https://netbird.**********.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.***********.de on 127.0.0.11:53: server misbehaving netbird-proxy | 2026-04-22T14:40:34.860Z WARN [http-server: https] ./caller_not_available:0: http: TLS handshake error from 18*******34:52890: acme/autocert: missing server name ``` Netbird Server logs: ```bash netbird-server | 2026-04-22T14:39:09.464Z ERRO [context: GRPC, requestID: d7kdqvat1hcc73c9k4d0] management/internals/shared/grpc/proxy.go:822: failed to create OIDC provider: Get "https://netbird.********.de/oauth2/.well-known/openid-configuration": dial tcp: lookup netbird.**********.de on 127.0.0.11:53: server misbehaving netbird-server | 2026-04-22T14:39:34.312Z ERRO [context: HTTP, requestID: d7kdr9it1hcc73c9k4sg] shared/management/http/util/util.go:85: got a handler error: no valid authentication provided ``` Thanks in advance! **To Reproduce** Steps to reproduce the behavior: Not sure unfortionately. **Expected behavior** A clear and concise description of what you expected to happen. **Are you using NetBird Cloud?** Please specify whether you use NetBird Cloud or self-host NetBird's control plane. **NetBird version** Management v0.69.0 Dashboard v2.37.0 **Is any other VPN software installed?** No **Debug output** To help us resolve the problem, please attach the following anonymized status output netbird status -dA Create and upload a debug bundle, and share the returned file key: netbird debug for 1m -AS -U *Uploaded files are automatically deleted after 30 days.* Alternatively, create the file only and attach it here manually: netbird debug for 1m -AS **Screenshots** If applicable, add screenshots to help explain your problem. **Additional context** Add any other context about the problem here. **Have you tried these troubleshooting steps?** - [ ] Reviewed [client troubleshooting](https://docs.netbird.io/how-to/troubleshooting-client) (if applicable) - [x] Checked for newer NetBird versions - [x] Searched for similar issues on GitHub (including closed ones) - [ ] Restarted the NetBird client - [ ] Disabled other VPN software - [ ] Checked firewall settings

saavagebueno added the triage-needed label 2026-08-05 02:06:12 -04:00

saavagebueno commented

2026-08-05 02:06:12 -04:00

@davidkirch commented on GitHub (May 6, 2026):

Hello :) Any update on this?

@davidkirch commented on GitHub (May 6, 2026): Hello :) Any update on this?

Sign in to join this conversation.

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claude/agent-network-test-cases-p743vw

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dependabot/npm_and_yarn/proxy/web/npm_and_yarn-b39864987c

agent-network-setup-poc

dependabot/go_modules/aws-sdk-8f849ebaed

dependabot/github_actions/actions-a940c7c866

dependabot/go_modules/otel-e34c790afd

dependabot/go_modules/testcontainers-de325c0dd6

dependabot/go_modules/wireguard-dbd6b95108

dependabot/go_modules/pion-5f703e1eca

dependabot/go_modules/gorm-2271c8195b

fix-login-needed-check

dependabot/go_modules/google.golang.org/grpc-1.82.1

fix/ui-gtk3-support

enterprise-traefik-and-migration-fixes

disambiguate_p2p_metrics

revert/component-types-hookup

embedded-vnc

feature/ios-ssh

docs/agent-network-docs-update

dependabot/go_modules/github.com/aws/aws-sdk-go-v2/service/s3-1.106.3

dependabot/go_modules/github.com/pion/stun/v3-3.1.5

fix-ssh-authorized-users-multi-rule

peer-acl-multi-source

reverse-proxy-crowdsec-appsec

reverse-proxy-allow-match-or

client-local-metrics

lazy-conn-per-peer

lazy-conn-rosenpass

dependabot/go_modules/github.com/gopacket/gopacket-1.7.0

dependabot/go_modules/goauthentik.io/api/v3-3.2026050.6

dependabot/go_modules/github.com/pires/go-proxyproto-0.15.0

dependabot/go_modules/github.com/jackc/pgx/v5-5.10.0

dependabot/go_modules/github.com/oapi-codegen/runtime-1.6.0

dependabot/go_modules/github.com/eko/gocache/lib/v4-4.2.4

dependabot/go_modules/github.com/pkg/sftp-1.13.11

dependabot/go_modules/github.com/coreos/go-oidc/v3-3.20.0

ssh-windows-privilege-check

fix/explicit-cors-handling

fix/remove-math-rand

test/gui-memory-leak-fix

fix/ui-status-dispatch

install-script-ui-dependencies

fix/grpc-get-network-map

fix/subscribe-status-coalesce

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worktree-dns-route-qtype-fallthrough

mdm_integration

mlsmaycon-patch-2

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proxy-tunnel-cache-ttl-env

coderabbitai/utg/1e5b0a5

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test/battery-drain

components-impl-drop-indexes-use-xids-no-resource-policy-map

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fix/lazyconn-cold-start-allowed-ips

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Reference: DYNR/netbird#12571