{"slug":"faq","title":"FAQ","tags":["tailscale"],"agent_summary":"Last validated: Aug 22, 2025","trigger_phrases":[],"runnable":false,"markdown":"\r\n# FAQ\r\n\r\nLast validated: Aug 22, 2025\r\n\r\n## [Getting started](https://tailscale.com/docs/reference/faq\\#getting-started)\r\n\r\n- [What is Tailscale?](https://tailscale.com/docs/concepts/what-is-tailscale)\r\n- [What is a tailnet?](https://tailscale.com/docs/concepts/tailnet)\r\n- [What are these `100.x.y.z` addresses?](https://tailscale.com/docs/concepts/tailscale-ip-addresses)\r\n\r\n## [Deploying Tailscale](https://tailscale.com/docs/reference/faq\\#deploying-tailscale)\r\n\r\n- [Can I use Tailscale alongside other VPNs?](https://tailscale.com/docs/reference/faq/other-vpns)\r\n- [I can't install Tailscale. How can I connect?](https://tailscale.com/docs/reference/devices-without-tailscale)\r\n- [What firewall ports should I open to use Tailscale?](https://tailscale.com/docs/reference/faq/firewall-ports)\r\n\r\n## [Reliability](https://tailscale.com/docs/reference/faq\\#reliability)\r\n\r\n- [What happens if the coordination server is down?](https://tailscale.com/docs/reference/coordination-server-down)\r\n- [Is my traffic routed through your servers?](https://tailscale.com/docs/concepts/traffic-routing-through-tailscale)\r\n\r\nExplore more about [how Tailscale works](https://tailscale.com/blog/how-tailscale-works).\r\n\r\n## [Security and privacy](https://tailscale.com/docs/reference/faq\\#security-and-privacy)\r\n\r\n- [Can Tailscale decrypt my traffic?](https://tailscale.com/docs/concepts/can-tailscale-decrypt-traffic)\r\n- [If I use Tailscale on my work device, will my personal devices be visible to my co-workers?](https://tailscale.com/docs/concepts/device-visibility)\r\n\r\nExplore more about [Tailscale security](https://tailscale.com/security).\r\n\r\n## [Other](https://tailscale.com/docs/reference/faq\\#other)\r\n\r\n- [Does Tailscale support IPv6?](https://tailscale.com/docs/concepts/ipv6)\r\n- [Why is MagicDNS fetching records on port `433`?](https://tailscale.com/docs/reference/faq/magicdns)\r\n- [Do admin console sessions expire?](https://tailscale.com/docs/reference/admin-console-session-expiry)\r\n- [What is STUN?](https://tailscale.com/docs/reference/stun-protocol)\r\n\r\n![Project Logo](https://cdn.brandfetch.io/tailscale.com/fallback/lettermark/theme/dark/h/256/w/256/icon?c=1bfwsmEH20zzEfSNTed)\r\n\r\nAsk AI\r\n\r\nreCAPTCHA\r\n\r\nRecaptcha requires verification.\r\n\r\nprotected by **reCAPTCHA**\r\n","html":"<h1>FAQ</h1>\n<p>Last validated: Aug 22, 2025</p>\n<h2><a href=\"https://tailscale.com/docs/reference/faq#getting-started\">Getting started</a></h2>\n<ul>\n<li><a href=\"https://tailscale.com/docs/concepts/what-is-tailscale\">What is Tailscale?</a></li>\n<li><a href=\"https://tailscale.com/docs/concepts/tailnet\">What is a tailnet?</a></li>\n<li><a href=\"https://tailscale.com/docs/concepts/tailscale-ip-addresses\">What are these <code>100.x.y.z</code> addresses?</a></li>\n</ul>\n<h2><a href=\"https://tailscale.com/docs/reference/faq#deploying-tailscale\">Deploying Tailscale</a></h2>\n<ul>\n<li><a href=\"https://tailscale.com/docs/reference/faq/other-vpns\">Can I use Tailscale alongside other VPNs?</a></li>\n<li><a href=\"https://tailscale.com/docs/reference/devices-without-tailscale\">I can't install Tailscale. How can I connect?</a></li>\n<li><a href=\"https://tailscale.com/docs/reference/faq/firewall-ports\">What firewall ports should I open to use Tailscale?</a></li>\n</ul>\n<h2><a href=\"https://tailscale.com/docs/reference/faq#reliability\">Reliability</a></h2>\n<ul>\n<li><a href=\"https://tailscale.com/docs/reference/coordination-server-down\">What happens if the coordination server is down?</a></li>\n<li><a href=\"https://tailscale.com/docs/concepts/traffic-routing-through-tailscale\">Is my traffic routed through your servers?</a></li>\n</ul>\n<p>Explore more about <a href=\"https://tailscale.com/blog/how-tailscale-works\">how Tailscale works</a>.</p>\n<h2><a href=\"https://tailscale.com/docs/reference/faq#security-and-privacy\">Security and privacy</a></h2>\n<ul>\n<li><a href=\"https://tailscale.com/docs/concepts/can-tailscale-decrypt-traffic\">Can Tailscale decrypt my traffic?</a></li>\n<li><a href=\"https://tailscale.com/docs/concepts/device-visibility\">If I use Tailscale on my work device, will my personal devices be visible to my co-workers?</a></li>\n</ul>\n<p>Explore more about <a href=\"https://tailscale.com/security\">Tailscale security</a>.</p>\n<h2><a href=\"https://tailscale.com/docs/reference/faq#other\">Other</a></h2>\n<ul>\n<li><a href=\"https://tailscale.com/docs/concepts/ipv6\">Does Tailscale support IPv6?</a></li>\n<li><a href=\"https://tailscale.com/docs/reference/faq/magicdns\">Why is MagicDNS fetching records on port <code>433</code>?</a></li>\n<li><a href=\"https://tailscale.com/docs/reference/admin-console-session-expiry\">Do admin console sessions expire?</a></li>\n<li><a href=\"https://tailscale.com/docs/reference/stun-protocol\">What is STUN?</a></li>\n</ul>\n<p><img src=\"https://cdn.brandfetch.io/tailscale.com/fallback/lettermark/theme/dark/h/256/w/256/icon?c=1bfwsmEH20zzEfSNTed\" alt=\"Project Logo\"></p>\n<p>Ask AI</p>\n<p>reCAPTCHA</p>\n<p>Recaptcha requires verification.</p>\n<p>protected by <strong>reCAPTCHA</strong></p>\n"}