Tailscale insights

Open SourceVersions: []31 metrics

Google Cloud Monitoring·

Direct connection failure between home peers despite no restrictive NATwarning

tailscale.relay.connection tailscale.node.latency

29d ago▸

Peer relay service running but not accepting sessionswarning

tailscale.relay.connection tailscale.peers.online

29d ago▸

Inconsistent NAT behavior between local and external connectionsinfo

tailscale.derp.home_connection

29d ago▸

Ports 80/443 blocked prevent DERP server SSL automation via HTTP-01 challengecritical

1mo ago▸

DERP custom port requires explicit DERPPort configuration in ACLcritical

tailscale.node.latency

1mo ago▸

DERP client verification requires matching tailscaled and derper versionswarning

1mo ago▸

OmitDefaultRegions=true leaves no DERP fallback if custom node failswarning

tailscale.derp.home_connection tailscale.node.latency

1mo ago▸

DERP container cannot read certs if file permissions incorrectcritical

1mo ago▸

DERP certificate renewal requires deploy hook to restart containerwarning

1mo ago▸

ACL tests prevent accidental subnet or exit node access grantswarning

2mo ago▸

Tailscale version below 1.18.2 blocks ACLs with proto fieldcritical

tailscale.version.info

2mo ago▸

4via6 subnet routes require IPv6 addresses in ACL destinationswarning

2mo ago▸

autogroup:self with tagged devices causes ACL failureswarning

2mo ago▸

SSH rule with autogroup:nonroot exposes unintended user access when dst changeswarning

2mo ago▸

Domain aliases must be explicitly listed in autogroupswarning

2mo ago▸

High packet drop rate from ACL blocking indicates misconfigured access controlswarning

tailscale.bytes.received.total

2mo ago▸

DERP relay usage indicates direct connectivity failure between peerswarning

tailscale.bytes.received.total tailscale.bytes.sent.total tailscale.relay.connection

2mo ago▸

Health messages indicate client connectivity or configuration issueswarning

tailscale.node.health.messages

2mo ago▸

Subnet routes advertised but not approved blocks expected traffic routingwarning

tailscale.subnet_router.routes.advertised tailscale.subnet_router.routes.approved

2mo ago▸

Metrics collection over tailnet requires web interface and ACL configurationinfo

2mo ago▸

Packet fragmentation drops indicate MTU misconfigurationwarning

2mo ago▸

Peer relay forwarding high packet volume indicates suboptimal routing topologyinfo

2mo ago▸

Metrics exposed on non-Tailscale interface require separate web server processinfo

2mo ago▸

Node exporter textfile collector requires periodic metric write with tailscale metrics writeinfo

2mo ago▸

Forced exit node offline causes complete internet outagecritical

tailscale.exit_node.active tailscale.node.up

2mo ago▸

System policy changes require client restart in older versionswarning

tailscale.version.info

2mo ago▸

Manual registry changes require explicit policy reloadwarning

2mo ago▸

Disabled update checks prevent security patch awarenesswarning

2mo ago▸

Policy type errors prevent configuration enforcementwarning

2mo ago▸

Empty AllowedSuggestedExitNodes blocks all exit node suggestionsinfo

2mo ago▸