String (host‑name |IP‑address)
Not specified
Purpose
When the RestrictedHostAccess parameter is set to true, only hosts with names or IP addresses specified in the AllowedHost<ordinal‑number> parameters can connect to the primary database server.
The <ordinal‑number> variable in the parameter name indicates a unique number of the enumerated list, in the following format.
AllowedHost1=host-name or IP-address AllowedHost2=host-name or IP-address ... AllowedHost<ordinal‑number>=host‑name or IP‑address
Use this parameter to specify a list of all host names or IP addresses that are allowed to connect to the primary database server when the RestrictedHostAccess parameter is set to true. If any other host attempts to connect to the primary database server, the connection is refused.
Parameter is read when …
The secondary to primary connection is next established; for example, you can disable the connection, change the parameter value, and then reconnect.