When a device's posture changes, 4Remote updates the user's Tailscale ACL group memberships automatically. Access flexes with security state, in seconds, with no manual policy edits.
Tailscale is a Zero Trust networking solution that builds a secure, encrypted mesh across every device and cloud resource in your organisation. Access is governed by ACL (Access Control List) policies that map groups of users to the resources they can reach. Powerful, but the group membership is normally a manual job.
Encrypted peer-to-peer connections across users, devices, and cloud resources, with no central choke point.
Resource access defined as code in a single tailnet policy, scoped by group keys like group:Eng.
Identity-bound access: every connection is authenticated and authorised against the policy, every time.
Tailscale's ACL groups are the lever for differentiated access: put a user's email in a group and the policy rules tied to it become the access they get. The catch: keeping group membership in sync with real-world device posture is normally a manual job.
4Remote watches device posture continuously. The moment it changes, the matching Tailscale ACL groups are updated for that user. No tickets. No policy edits. No window where a compromised device still has standard access.
Group memberships change instantly when a user's security posture changes.
Only compliant devices retain access to protected tailnet resources.
No need to manually edit ACL groups in your tailnet policy. The integration handles it.
Compromised or non-compliant devices lose access immediately, not at the next audit cycle.
Devices must have the Tailscale agent installed and enrolled in your tailnet before their users can be synced. Users without the agent are skipped automatically: they will be synced once they enrol.
The integration runs continuously. Posture changes flow into your tailnet ACL within seconds.
The platform monitors device security continuously.
Each user gets the statuses that match their evaluation:
The integration updates your tailnet ACL automatically:
group: entries in your ACL policy if missingTailscale enforces access per ACL rule:
group:HighSecurity reaches productiongroup:Compliant reaches standard resourcesgroup:Quarantine is blocked until remediatedUnlike single-policy integrations, Tailscale supports additive group membership. A user inherits access from every group they belong to, so a single account can satisfy multiple roles at the same time.
Each Zero Trust status from 4Remote becomes a Tailscale ACL group key, prefixed with group:. Status names with spaces are preserved verbatim.
group:VPNgroup:High Securitygroup:Compliantgroup:Quarantinegroup:Update RequiredThe integration creates any missing group: entries in your ACL policy on first sync. From then on, the only thing that changes is the list of email addresses inside each group.
An employee's laptop picks up a critical vulnerability. Here is what 4Remote and Tailscale do, in seconds, with no human in the loop.
An employee's laptop has a critical vulnerability discovered during a routine scan.
Scheduled scan flags CVE-2024-1234 at Critical severity on the user's laptop.
4Remote moves the user's status from Compliant to Quarantine.
Integration updates the tailnet ACL: user's email removed from group:Compliant.
Same sync cycle: user's email is added to group:Quarantine in the ACL.
Tailscale ACL rules deny the user reach to sensitive resources defined for group:Quarantine.
Employee receives a notification with remediation steps: the patch needed, the affected device, and the path back to group:Compliant.
Once the patch is applied, the next scan clears the CVE. Status flips back to Compliant and tailnet access is restored automatically.
Timeline: the full detection-to-enforcement loop completes in seconds, with zero human in the loop.
If you run Tailscale, this integration turns your existing ACL groups into a real-time enforcement layer for Zero Trust. Talk to us about a partner integration or a customer rollout.
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