[GH-ISSUE #4491] pkgs.netbird.io not reachable in IPv6 #9570

New Issue

saavagebueno · 2026-08-05T01:22:40-04:00

saavagebueno commented

2026-08-05 01:22:40 -04:00

Originally created by @rlacr0ix on GitHub (Sep 12, 2025).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/4491

Describe the problem

Im unable to Install, Update Netbird client on IPv6 or Dualstack host

To Reproduce

Steps to reproduce the behavior:
try to do curl https://pkgs.netbird.io/install.sh on a Dualstack host
-> Have a timeout
try to do curl -4 https://pkgs.netbird.io/install.sh to force IPv4
-> Have HTTP 302

Expected behavior

Website reachable in IPv6

Are you using NetBird Cloud?

Im using NetBird Cloud

NetBird version

N/A (Can't install the client) but 0.57.0 to IPv4 only host

Is any other VPN software installed?

No

Debug output

N/A (Can't install the client)

Screenshots
N/A

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 @rlacr0ix on GitHub (Sep 12, 2025). Original GitHub issue: https://github.com/netbirdio/netbird/issues/4491 **Describe the problem** Im unable to Install, Update Netbird client on IPv6 or Dualstack host **To Reproduce** Steps to reproduce the behavior: try to do `curl https://pkgs.netbird.io/install.sh` on a Dualstack host -> Have a timeout try to do `curl -4 https://pkgs.netbird.io/install.sh` to force IPv4 -> Have HTTP 302 **Expected behavior** Website reachable in IPv6 **Are you using NetBird Cloud?** Im using NetBird Cloud **NetBird version** N/A (Can't install the client) but 0.57.0 to IPv4 only host **Is any other VPN software installed?** No **Debug output** N/A (Can't install the client) **Screenshots** N/A **Additional context** Add any other context about the problem here. **Have you tried these troubleshooting steps?** - [x] 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 - [x] Checked firewall settings

saavagebueno added the triage-needed label 2026-08-05 01:22:40 -04:00

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claude/agent-network-test-cases-p743vw

android/gui-integration

revert/component-types

feat-post_quantum_ml_kem

ice-stun-wg-demux

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

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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

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mlsmaycon-patch-2

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proxy-tunnel-cache-ttl-env

coderabbitai/utg/1e5b0a5

grpc-acl

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Reference: DYNR/netbird#9570