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Title	Description
services.soju.hostName	Server hostname.
services.snipe-it.hostName	The hostname to serve Snipe-IT on.
nix.buildMachines.*.hostName	The hostname of the build machine.
services.fluidd.hostName	Hostname to serve fluidd on
services.ncps.cache.hostName	The hostname of the cache server. This is used to generate the private key used for signing store paths (.narinfo)
services.agorakit.hostName	The hostname to serve agorakit on.
services.fediwall.hostName	The hostname to serve fediwall on.
services.mainsail.hostName	Hostname to serve mainsail on
services.molly-brown.hostName	The hostname to respond to requests for
services.nfs.server.hostName	Hostname or address on which NFS requests will be accepted
services.bitlbee.hostName	Normally, BitlBee gets a hostname using getsockname()
services.nominatim.hostName	Hostname to use for the nginx vhost.
services.roundcube.hostName	Hostname to use for the nginx vhost
services.tsidp.settings.hostName	The hostname to use for the tsnet node.
services.xandikos.nginx.hostName	The hostname use to setup the virtualhost configuration
services.nagios.virtualHost.hostName	Canonical hostname for the server.
services.moodle.virtualHost.hostName	Canonical hostname for the server.
services.httpd.virtualHosts.<name>.hostName	Canonical hostname for the server.
services.caddy.virtualHosts.<name>.hostName	Canonical hostname for the server.
services.trilium-server.nginx.hostName	The hostname use to setup the virtualhost configuration
services.teeworlds.server.hostName	Hostname for the server.
services.mediawiki.nginx.hostName	The hostname to use for the nginx virtual host
services.zabbixWeb.httpd.virtualHost.hostName	Canonical hostname for the server.
services.drupal.sites.<name>.virtualHost.hostName	Canonical hostname for the server.
services.postfixadmin.hostName	Hostname to use for the nginx vhost
services.limesurvey.virtualHost.hostName	Canonical hostname for the server.
services.mediawiki.httpd.virtualHost.hostName	Canonical hostname for the server.
services.wordpress.sites.<name>.virtualHost.hostName	Canonical hostname for the server.
networking.hostName	The name of the machine
services.limesurvey.httpd.virtualHost.hostName	Canonical hostname for the server.
services.misskey.reverseProxy.webserver.caddy.hostName	Canonical hostname for the server.
services.jitsi-videobridge.xmppConfigs.<name>.hostName	Hostname of the XMPP server to connect to
services.grocy.hostName	FQDN for the grocy instance.
services.jitsi-meet.hostName	FQDN of the Jitsi Meet instance.
services.murmur.hostName	Host to bind to
services.pihole-web.hostName	Domain name for the website.
services.avahi.hostName	Host name advertised on the LAN
services.pdfding.hostName	Listen address for PdfDing
services.jirafeau.hostName	URL of instance
services.froide-govplan.hostName	FQDN for the froide-govplan instance.
services.nextcloud.hostName	FQDN for the nextcloud instance.
services.rutorrent.hostName	FQDN for the ruTorrent instance.
services.smokeping.hostName	DNS name for the urls generated in the cgi.
services.nextcloud-spreed-signaling.hostName	The host name to bind the nginx virtual host to, if `config.services.nextcloud-spreed-signaling.configureNginx` is set to `true`.
services.samba-wsdd.hostname	Override (NetBIOS) hostname to be used (default hostname).
services.postfix.hostname	Hostname to use
services.maddy.hostname	Hostname to use
services.monica.hostname	The hostname to serve monica on.
services.ncdns.identity.hostname	The hostname of this ncdns instance, which defaults to the machine hostname
services.zabbixWeb.hostname	Hostname for either nginx or httpd.
services.r53-ddns.hostname	Manually specify the hostname
services.i2pd.proto.http.hostname	Expected hostname for WebUI.
services.librenms.hostname	The hostname to serve LibreNMS on.
services.frigate.hostname	Hostname of the nginx vhost to configure
services.nitter.server.hostname	Hostname of the instance.
services.icecream.daemon.hostname	Hostname of the daemon in the icecream infrastructure
services.datadog-agent.hostname	The hostname to show in the Datadog dashboard (optional)
services.anuko-time-tracker.hostname	The hostname to serve Anuko Time Tracker on.
services.discourse.hostname	The hostname to serve Discourse on.
services.bookstack.hostname	The hostname to serve BookStack on.
services.keycloak.settings.hostname	The hostname part of the public URL used as base for all frontend requests
services.zoneminder.hostname	The hostname on which to listen.
services.davis.hostname	Domain of the host to serve davis under
services.castopod.database.hostname	Database hostname.
services.matomo.hostname	URL of the host, without https prefix
services.kubernetes.proxy.hostname	Kubernetes proxy hostname override.
services.biboumi.settings.hostname	The hostname served by the XMPP gateway
services.vsmartcard-vpcd.hostname	Hostname of a waiting vpicc server vpcd will be connecting to
services.inadyn.settings.custom.<name>.hostname	Hostname alias(es).
services.spacecookie.settings.hostname	The hostname the service is reachable via
services.icecast.hostname	DNS name or IP address that will be used for the stream directory lookups or possibly the playlist generation if a Host header is not provided.
services.pingvin-share.hostname	The domain name of your instance
services.kubernetes.kubelet.hostname	Kubernetes kubelet hostname override.
services.awstats.configs.<name>.webService.hostname	The hostname the web service appears under.
services.filesender.database.hostname	Database hostname.
services.nextjs-ollama-llm-ui.hostname	The hostname under which the Ollama UI interface should be accessible
services.pgpkeyserver-lite.hostname	Which hostname to set the vHost to that is proxying to sks.
services.lemmy.settings.hostname	The domain name of your instance (eg 'lemmy.ml').
services.inadyn.settings.provider.<name>.hostname	Hostname alias(es).
services.actual.settings.hostname	The address to listen on
users.mysql.host	The hostname of the MySQL/MariaDB server
services.gancio.settings.hostname	The domain name under which the server is reachable.
services.onlyoffice.hostname	FQDN for the OnlyOffice instance.
services.reposilite.settings.hostname	The hostname to bind to
services.cjdns.ETHInterface.connectTo.<name>.hostname	Optional hostname to add to /etc/hosts; prevents reverse lookup failures.
services.cjdns.UDPInterface.connectTo.<name>.hostname	Optional hostname to add to /etc/hosts; prevents reverse lookup failures.
services.synergy.client.serverAddress	The server address is of the form: [hostname][:port]
services.xonotic.settings.hostname	The name that will appear in the server list. `$g_xonoticversion` gets replaced with the current version.
services.maubot.settings.server.hostname	The IP to listen on
services.jitsi-meet.nginx.enable	Whether to enable nginx virtual host that will serve the javascript application and act as a proxy for the XMPP server
services.easytier.instances.<name>.settings.hostname	Hostname shown in peer list and web console.
services.journald.remote.output	The location of the output journal
services._3proxy.services..acl..targets	List of target IP ranges, use empty list for any
services.parsedmarc.provision.localMail.hostname	The hostname to use when configuring Postfix
services.mobilizon.settings.":mobilizon".":instance".hostname	Your instance's hostname
services.agate.hostnames	Domain name of this Gemini server, enables checking hostname and port in requests. (multiple occurrences means basic vhosts)
services.slurm.dbdserver.dbdHost	Hostname of the machine where `slurmdbd` is running (i.e. name returned by `hostname -s`).
services.postfix.settings.main.myhostname	The internet hostname of this mail system
services.firefox-syncserver.singleNode.hostname	Host name to use for this service.
services.send.host	The hostname or IP address for Send to bind to.
services.slurm.controlMachine	The short hostname of the machine where SLURM control functions are executed (i.e. the name returned by the command "hostname -s", use "tux001" rather than "tux001.my.com").
services.prometheus.exporters.fritz.settings.devices.*.hostname	Hostname under which the target device is reachable.
services.keycloak.settings.hostname-backchannel-dynamic	Enables dynamic resolving of backchannel URLs, including hostname, scheme, port and context path
security.ipa.server	IPA Server hostname.
services.tabby.host	Specifies the hostname on which the tabby server HTTP interface listens.
security.duosec.host	Duo API hostname.
virtualisation.oci-containers.containers.<name>.hostname	The hostname of the container.
services.nextcloud.config.objectstore.s3.hostname	Required for some non-Amazon implementations.
services.bitwarden-directory-connector-cli.ldap.hostname	The host the LDAP is accessible on.
services.murmur.registerHostname	DNS hostname where your server can be reached
services.hydra.smtpHost	Hostname of the SMTP server to use to send email.
networking.dhcpcd.setHostname	Whether to set the machine hostname based on the information received from the DHCP server. The hostname will be changed only if the current one is the empty string, `localhost` or `nixos`
services.jicofo.xmppHost	Hostname of the XMPP server to connect to.
services.jigasi.xmppHost	Hostname of the XMPP server to connect to.
services.i2pd.address	Your external IP or hostname.
services.crabfit.api.host	The hostname of the API.
services.cachix-agent.name	Agent name, usually same as the hostname
services.hydra.listenHost	The hostname or address to listen on or `*` to listen on all interfaces.
services.ceph.global.monHost	List of hostname shortnames/IP addresses of the initial monitors.
services.shellhub-agent.preferredHostname	Set the device preferred hostname
services.leaps.address	Hostname or IP-address to listen to
services.postfix.settings.main.relayhost	List of hosts to use for relaying outbound mail. Putting the hostname in angled brackets, e.g. `[relay.example.com]`, turns off MX and SRV lookups for the hostname. https://www.postfix.org/postconf.5.html#relayhost
security.ipa.dyndns.enable	Whether to enable FreeIPA automatic hostname updates.
services.polaris.port	The port which the Polaris REST api and web UI should listen to
security.ipa.ipaHostname	Fully-qualified hostname used to identify this host in the IPA domain.
services.torque.mom.serverNode	Hostname running pbs server.
services.nezha-agent.genUuid	Whether to generate uuid from fqdn automatically
services.slurm.nodeName	Name that SLURM uses to refer to a node (or base partition for BlueGene systems)
services.zabbixAgent.server	The IP address or hostname of the Zabbix server to connect to.
services.zabbixProxy.server	The IP address or hostname of the Zabbix server to connect to.
services.postfix.domain	Domain to use
services.postfix.origin	Origin to use in outgoing e-mail
services.saunafs.masterHost	IP or hostname name of master host.
services.coder.database.host	Hostname hosting the database.
services.cassandra.listenAddress	Address or interface to bind to and tell other Cassandra nodes to connect to
services.polipo.parentProxy	Hostname and port number of an HTTP parent proxy; it should have the form ‘host:port’.
services.wiki-js.settings.db.host	Hostname or socket-path to connect to.
services.cjdns.addExtraHosts	Whether to add cjdns peers with an associated hostname to /etc/hosts
services.statsd.graphiteHost	Hostname or IP of Graphite server
services.cntlm.netbios_hostname	The hostname of your machine.
services.omnom.settings.smtp.host	SMTP server hostname.
services.kismet.httpd.address	The address to listen on
power.ups.upsmon.monitor.<name>.system	Identifier of the UPS to monitor, in this form: `<upsname>[@<hostname>[:<port>]]` See `upsmon.conf` for details.
services.discourse.redis.host	Redis server hostname.
services.polipo.socksParentProxy	Hostname and port number of an SOCKS parent proxy; it should have the form ‘host:port’.
services.resolved.dnsovertls	If set to `"true"`: all DNS lookups will be encrypted
services.crabfit.frontend.host	The hostname of the frontend.
services.gitDaemon.listenAddress	Listen on a specific IP address or hostname.
services.httpd.logPerVirtualHost	If enabled, each virtual host gets its own access.log and error.log, namely suffixed by the `hostName` of the virtual host.
services.usbrelayd.broker	Hostname or IP address of your MQTT Broker.
services.outline.cdnUrl	If using a Cloudfront/Cloudflare distribution or similar it can be set using this option
services.github-runners.<name>.name	Name of the runner to configure
services.pcscd.extendReaderNames	String to append to every reader name
services.iodine.clients.<name>.server	Hostname of server running iodined
services.gitlab.databaseHost	GitLab database hostname
services.zabbixWeb.server.address	The IP address or hostname of the Zabbix server to connect to.
security.ipa.dyndns.interface	Network interface to perform hostname updates through.
services.synergy.client.screenName	Use the given name instead of the hostname to identify ourselves to the server.
services.immich.database.host	Hostname or address of the postgresql server
services.pretix.settings.mail.host	Hostname of the SMTP server use for mail delivery.
services.firefly-iii.virtualHost	The hostname at which you wish firefly-iii to be served
services.synergy.server.screenName	Use the given name instead of the hostname to identify this screen in the configuration.
networking.fqdn	The fully qualified domain name (FQDN) of this host
networking.fqdnOrHostName	Either the fully qualified domain name (FQDN), or just the host name if it does not exist
services.frigate.settings.mqtt.host	MQTT server hostname
services.quicktun.<name>.localAddress	IP address or hostname of the local end.
services.pds.settings.PDS_HOSTNAME	Instance hostname (base domain name)
security.pam.dp9ik.authserver	This controls the hostname for the 9front authentication server that users will be authenticated against.
services.librenms.database.host	Hostname or IP of the MySQL/MariaDB server
services.buildkite-agents	Attribute set of buildkite agents
services.wstunnel.clients.<name>.tlsSNI	Use this as the SNI while connecting via TLS
services.athens.storage.cdn.endpoint	hostname of the CDN server.
services.davis.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.thanos.query.grpc-client-server-name	Server name to verify the hostname on the returned gRPC certificates
services.slskd.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.ncdns.identity.address	The IP address the hostname specified in `services.ncdns.identity.hostname` should resolve to
services.tinc.networks.<name>.name	The name of the node which is used as an identifier when communicating with the remote nodes in the mesh
services.movim.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.snipe-it.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.dawarich.database.host	Hostname or address of the postgresql server
services.wstunnel.servers.<name>.listen.host	The hostname.
services.mobilizon.settings.":mobilizon"."Mobilizon.Web.Endpoint".url.host	Your instance's hostname for generating URLs throughout the app
services.miredo.serverAddress	The hostname or primary IPv4 address of the Teredo server
services.bookstack.settings.DB_HOST	The IP or hostname which hosts your database.
services.akkoma.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.fluidd.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.karma.settings.listen.address	Hostname or IP to listen on.
services.gancio.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.monica.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.matomo.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.vikunja.frontendHostname	The Hostname under which the frontend is running.
services.quicktun.<name>.remoteAddress	IP address or hostname of the remote end (use `0.0.0.0` for a floating/dynamic remote endpoint).
services.dnscache.domainServers	Table of {hostname: server} pairs to use as authoritative servers for hosts (and subhosts)
services.discourse.database.host	Discourse database hostname. `null` means “prefer local unix socket connection”.
services.chatgpt-retrieval-plugin.host	The hostname or IP address for chatgpt-retrieval-plugin to bind to.
services.collabora-online.aliasGroups.*.host	Hostname to allow or deny.
services.sabnzbd.settings.servers.<name>.host	Hostname of the server
services.zoneminder.database.host	Hostname hosting the database.
services.privatebin.virtualHost	The hostname at which you wish privatebin to be served
services.onlyoffice.postgresHost	The Postgresql hostname or socket path OnlyOffice should connect to.
services.zipline.settings.CORE_HOSTNAME	The hostname to listen on.
services.anuko-time-tracker.settings.email.smtpHost	MTA hostname.
services.mysql.galeraCluster.localAddress	IP address or hostname of this node that will be used for cluster communication
services.mysql.replication.slaveHost	Hostname of the MySQL slave server.
services.metricbeat.settings.name	Name of the beat
services.bluesky-pds.settings.PDS_HOSTNAME	Instance hostname (base domain name)
services.kubernetes.masterAddress	Clusterwide available network address or hostname for the kubernetes master server.
services.wstunnel.servers.<name>.restrictTo.*.host	The hostname.
services.keycloak.database.host	Hostname of the database to connect to
services.dolibarr.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.fediwall.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.kanboard.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.agorakit.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.librenms.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.mysql.replication.masterHost	Hostname of the MySQL master server.
services.mainsail.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.pixelfed.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.parsedmarc.settings.imap.host	The IMAP server hostname or IP address.
services.parsedmarc.settings.smtp.host	The SMTP server hostname or IP address.
services.linkwarden.database.host	Hostname or address of the postgresql server
services.radicle.httpd.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.firezone.server.clusterHosts	A list of components and their hosts that are part of this cluster
services.anuko-time-tracker.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.nginx.virtualHosts.<name>.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.i2pd.inTunnels.<name>.destination	Remote endpoint, I2P hostname or b32.i2p address.
services.firefly-iii-data-importer.virtualHost	The hostname at which you wish firefly-iii-data-importer to be served
services.scrutiny.settings.web.influxdb.host	IP or hostname of the InfluxDB instance.
services.i2pd.outTunnels.<name>.destination	Remote endpoint, I2P hostname or b32.i2p address.
services.echoip.enableReverseHostnameLookups	Whether to enable reverse hostname lookups.
services.icecream.daemon.schedulerHost	Explicit scheduler hostname, useful in firewalled environments
services.bookstack.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.listmonk.database.settings.smtp.*.host	Hostname for the SMTP server
services.tor.relay.onionServices.<name>.secretKey	Secret key of the onion service
services.jirafeau.nginxConfig.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.bitmagnet.settings.postgres.host	Address, hostname or Unix socket path of the database server
services.zabbixWeb.nginx.virtualHost.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.journaldriver.logName	Configures the name of the target log in Stackdriver Logging
services.silverbullet.listenAddress	Address or hostname to listen on
services.livekit.ingress.settings.redis.address	Address or hostname and port for redis connection
services.prometheus.exporters.nut.nutServer	Hostname or address of the NUT server
services.prometheus.exporters.dmarc.imap.host	Hostname of IMAP server to connect to.
services.botamusique.settings.server.host	Hostname of the mumble server to connect to.
services.meilisearch.listenAddress	The IP address that Meilisearch will listen on
services.biboumi.settings.password	The password used to authenticate the XMPP component to your XMPP server
services.cassandra.rpcAddress	The address or interface to bind the native transport server to
services.grafana.settings.database.host	Only applicable to MySQL or Postgres
services.borgbackup.jobs.<name>.archiveBaseName	How to name the created archives
services.dsnet.settings.ExternalHostname	The hostname that clients should use to connect to this server
services.wstunnel.servers.<name>.settings.restrict-to.*.host	The hostname.
services.jitsi-videobridge.xmppConfigs.<name>.domain	Domain part of JID of the XMPP user, if it is different from hostName.
services.journald.remote.settings.Remote.SplitMode	With "host", a separate output file is used, based on the hostname of the other endpoint of a connection
services.fedimintd.<name>.nginx.config.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.prometheus.exporters.mqtt.mqttAddress	IP or hostname of MQTT broker.
services.prometheus.exporters.deluge.delugeHost	Hostname where deluge server is running.
services.easytier.instances.<name>.configServer	Configure the instance from config server
networking.wg-quick.interfaces.<name>.peers.*.endpoint	Endpoint IP or hostname of the peer, followed by a colon, and then a port number of the peer.
services.limesurvey.nginx.virtualHost.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.unpoller.prometheus.http_listen	Bind the prometheus exporter to this IP or hostname.
virtualisation.libvirtd.nss.enable	This option enables the older libvirt NSS module
services.tinc.networks.<name>.hostSettings.<name>.addresses.*.address	The external IP address or hostname where the host can be reached.
services.librenms.distributedPoller.rrdcachedHost	Hostname or IP of the `rrdcached` server.
services.jitsi-videobridge.xmppConfigs.<name>.mucNickname	Videobridges use the same XMPP account and need to be distinguished by the nickname (aka resource part of the JID)
services.librenms.distributedPoller.memcachedHost	Hostname or IP of the `memcached` server.
virtualisation.libvirtd.nss.enableGuest	This option enables the newer libvirt_guest NSS module
services.prometheus.exporters.pihole.piholeHostname	Hostname or address where to find the Pi-Hole webinterface
security.pam.sshAgentAuth.authorizedKeysFiles	A list of paths to files in OpenSSH's `authorized_keys` format, containing the keys that will be trusted by the `pam_ssh_agent_auth` module
services.misskey.reverseProxy.webserver.nginx.globalRedirect	If set, all requests for this host are redirected (defaults to 301, configurable with `redirectCode`) to the given hostname.
services.cloudflared.tunnels.<name>.originRequest.originServerName	Hostname that `cloudflared` should expect from your origin server certificate.
services.prometheus.exporters.surfboard.modemAddress	The hostname or IP of the cable modem.
services.prometheus.exporters.py-air-control.deviceHostname	The hostname of the air purification device from which to scrape the metrics.
services.prometheus.exporters.fritzbox.gatewayAddress	The hostname or IP of the FRITZ!Box.
services.tor.relay.onionServices.<name>.authorizeClient.clientNames	Only clients that are listed here are authorized to access the hidden service
services.nextcloud-spreed-signaling.settings.backend.allowall	Allow any hostname as backend endpoint
services.prometheus.alertmanagerGotify.gotifyEndpoint.host	The hostname or ip your gotify endpoint is running.
services.prometheus.exporters.mail.configuration.servers.*.server	Hostname of the server that should be probed.
networking.wireguard.interfaces.<name>.peers.*.endpoint	Endpoint IP or hostname of the peer, followed by a colon, and then a port number of the peer
networking.wireguard.interfaces.<name>.dynamicEndpointRefreshSeconds	Periodically refresh the endpoint hostname or address for all peers
security.pam.rssh.settings.auth_key_file	Path to file with trusted public keys in OpenSSH's `authorized_keys` format
networking.wireguard.interfaces.<name>.peers.*.dynamicEndpointRefreshSeconds	Periodically re-execute the `wg` utility every this many seconds in order to let WireGuard notice DNS / hostname changes
programs.ssh.knownHosts.<name>.hostNames	A list of host names and/or IP numbers used for accessing the host's ssh service
services.openssh.knownHosts.<name>.hostNames	A list of host names and/or IP numbers used for accessing the host's ssh service
services.matrix-synapse.settings.trusted_key_servers.*.server_name	Hostname of the trusted server.
services.headscale.settings.tls_letsencrypt_hostname	Domain name to request a TLS certificate for.