Symfony Profiler

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            "content": "<p>That\u2019s called <a href=\"https:\/\/en.m.wikipedia.org\/wiki\/Split-horizon_DNS\" rel=\"nofollow\">split DNS<\/a>. You can probably use that term to figure out if a particular router supports it. Basically, you would tell the router \u201cif a DNS request for a specific URL is coming from a local IP, use a different (usually local) DNS table\u201d. So like you can tell it \u201cif a device asks for this URL, route it to this local IP instead.\u201d So the DNS request never actually leaves your network.<\/p>\n<p>It can be handy for cases where you don\u2019t always want to be reliant on an external DNS server. For instance, if your internet is spotty. You don\u2019t want your Jellyfin to stop working just because your internet went out; Everything is local, so it <em>should<\/em> be able to connect. But if you\u2019re only using an external DNS provider, it won\u2019t be able to connect without internet. So split DNS will allow you to connect to local services even when your internet is out.<\/p>\n<p>The big downside to split DNS is that you often run into DNSSEC (DNS over https) warnings. Since the URL was intercepted before it actually reached an external DNS server, the traffic isn\u2019t taking the path that the service \u201cexpected\u201d it to take. So it may throw some warnings, or refuse to connect because it thinks your traffic is being intercepted, (because\u2026 Well\u2026 <em>It is being intercepted<\/em>\u2026 By you.)<\/p>\n",
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                "content": "That\u2019s called [split DNS](https:\/\/en.m.wikipedia.org\/wiki\/Split-horizon_DNS). You can probably use that term to figure out if a particular router supports it. Basically, you would tell the router \u201cif a DNS request for a specific URL is coming from a local IP, use a different (usually local) DNS table\u201d. So like you can tell it \u201cif a device asks for this URL, route it to this local IP instead.\u201d So the DNS request never actually leaves your network. \n\nIt can be handy for cases where you don\u2019t always want to be reliant on an external DNS server. For instance, if your internet is spotty. You don\u2019t want your Jellyfin to stop working just because your internet went out; Everything is local, so it _should_ be able to connect. But if you\u2019re only using an external DNS provider, it won\u2019t be able to connect without internet. So split DNS will allow you to connect to local services even when your internet is out.\n\nThe big downside to split DNS is that you often run into DNSSEC (DNS over https) warnings. Since the URL was intercepted before it actually reached an external DNS server, the traffic isn\u2019t taking the path that the service \u201cexpected\u201d it to take. So it may throw some warnings, or refuse to connect because it thinks your traffic is being intercepted, (because\u2026 Well\u2026 *It is being intercepted*\u2026 By you.)",
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