如何创建设备和目标

Telnet 端口可用性监视通过特定的 TCP 端口测试与 Web 服务器的连接。

创建任务

创建设备并添加或编辑 Telnet 端口可用性任务后,系统将提示您调整以下设置。

主机 名

输入要监视的服务器地址。 这可能是 URL 或 IP 地址。

港口

输入要检查的服务的端口号。

完成超时(以秒为单位)

Enter the number of seconds the task should wait for a response from the web page before ending the task and returning an error. If this is left blank the default timeout for a task is 120 seconds.

DNS 选项

The DNS Options feature allows users to choose how domain name server (DNS) requests are conducted during a monitoring task.

To specify the mode of resolving hostnames, in the DNS Resolve Mode section, select one of the available modes. For more details on the feature configuration, see DNS Mode Options.

The Custom DNS Hosts section contains the mappings of IP addresses to hostnames.

To specify the mapping, enter the IP address and the host name in the corresponding fields.

Examples:

192.168.107.246   example.com user.example.com userauth.example.com tools.example.com
192.168.107.246   example.com
192.168.107.246   user.example.com
192.168.107.246   userauth.example.com

See also: DNS Mode Options.