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Yandex Managed Service for PostgreSQL
  • Getting started
  • Step-by-step instructions
    • All instructions
    • Information about existing clusters
    • Creating clusters
    • Connecting to databases
    • Stop and start the cluster
    • SQL queries in the management console
    • Changing cluster and database settings
    • Connecting to DataLens
    • Managing PostgreSQL hosts
    • Database management
    • How to manage PostgreSQL extensions
    • Managing database users
    • Granting permissions and roles
    • Managing backups
    • Deleting clusters
    • Database migration to the Cloud
    • Creating a logical replica of Amazon RDS for PostgreSQL in Managed Service for PostgreSQL
  • Solutions
    • Creating a PostgreSQL cluster for 1C
  • Concepts
    • Relationship between service resources
    • Host classes
    • Network in Yandex Managed Service for PostgreSQL
    • Quotas and limits
    • Storage types
    • Backups
    • Assigning roles
    • Replication
    • Supported clients
  • Access management
  • Pricing policy
    • Current pricing policy
    • Archive
      • Before January 1, 2019
      • From January 1 to March 1, 2019
      • From March 1, 2019 to February 1, 2020
  • API reference
    • Authentication in the API
    • gRPC
      • Overview
      • BackupService
      • ClusterService
      • DatabaseService
      • ResourcePresetService
      • UserService
      • OperationService
    • REST
      • Overview
      • Backup
        • Overview
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      • Cluster
        • Overview
        • addHosts
        • backup
        • create
        • delete
        • deleteHosts
        • get
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        • listBackups
        • listHosts
        • listLogs
        • listOperations
        • move
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        • restore
        • start
        • startFailover
        • stop
        • streamLogs
        • update
        • updateHosts
      • Database
        • Overview
        • create
        • delete
        • get
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        • update
      • ResourcePreset
        • Overview
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      • User
        • Overview
        • create
        • delete
        • get
        • grantPermission
        • list
        • revokePermission
        • update
      • Operation
        • Overview
        • get
  • Questions and answers
    • General questions
    • Questions about PostgreSQL
    • All questions on the same page
  1. Concepts
  2. Network in Yandex Managed Service for PostgreSQL

DB network and clusters

  • Hostname and FQDN
  • Public access to a host

When creating a cluster, you can:

  • Set the network for the cluster itself.

  • Set the subnets for each host in the cluster.

  • Request a public IP address to access the cluster from outside the Cloud.

You can create a cluster without specifying any subnets for the hosts, if the availability zone selected for each host contains exactly one subnet of the cluster network.

Hostname and FQDN

Managed Service for PostgreSQL generates a name for each cluster host during creation. This name will be the host's fully qualified domain name (FQDN). The hostname and, consequently, the FQDN cannot be changed.

You can use the FQDN to access the host within a single cloud network. Read more in the Yandex Virtual Private Cloud documentation.

Public access to a host

Any cluster host can be accessible from outside Yandex.Cloud if you requested public access when creating the host. To connect to such a host, use its FQDN.

It is not possible to request a public address after creating a host, but you can replace one of the existing hosts with a new host that has a public address.

When deleting a host with a public FQDN, the assigned IP address is revoked.

In this article:
  • Hostname and FQDN
  • Public access to a host
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