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OceanStor 9000 V300R006C00 Security Maintenance 07

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Checking Services/Ports

Checking Services/Ports

The OceanStor 9000 system provides a variety of services and ports to facilitate your operations. However, unnecessary services and ports may reduce system security and must be disabled as soon as possible.

It is recommended that the administrator periodically check for and stop unnecessary services and ports to prevent security risks. For details about the services and ports provided by the system, see Communication Port Matrix.

To check services/ports, do the following:

  1. Locally log in to the node as root.
    • P12E/P25E/P36E/C36E: Use the KVM to log in to the node.
    • P12/P25/P36/C36: Use the KVM to log in to the node.
    • C72: Use the system serial port on controller enclosure to log in to the node.

      The baud rate is 115200. There are 8 data bits and 1 stop bit. Parity check and data flow control are not implemented.

  2. Check services and ports.
    • Run netstat -an |grep LISTEN |grep tcp to check TCP services and ports.
    • Run netstat -an |grep udp to check UDP services and ports.
Updated: 2019-04-28

Document ID: EDOC1000122530

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