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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
telnet server permit interface

telnet server permit interface

Function

The telnet server permit interface command specifies physical interfaces on the Telnet server to which clients can connect.

The undo telnet permit interface command restores the default physical interfaces on the Telnet server to which clients can connect.

By default, clients can connect to all the physical interfaces on the Telnet server.

Format

telnet server permit interface { interface-type interface-number } &<1-5>

undo telnet server permit interface

Parameters

Parameter Description Value
interface-type interface-number

interface-type: specifies the interface type.

interface-number: specifies the interface number. interface-number and interface-type specify an interface.

-

Views

System view

Default Level

3: Management level

Usage Guidelines

Usage Scenario

To prevent a client from connecting to the Telnet server through an unauthorized physical interface or attacking the Telnet server by sending a large number of Telnet packets, you can run the telnet server permit interface command to specify physical interfaces on the Telnet server to which the client can connect.

Precautions

  • By default, clients can connect to all the physical interfaces on the Telnet server. Once a physical interface is specified using the telnet server permit interface command, a client cannot connect to the Telnet server using other physical interfaces.
  • This command can be used only on a Layer 2 physical interface but not on a Layer 3 physical interface, logical interface, or a non-Ethernet interface.

Example

# Specify physical interfaces on the Telnet server to which clients can connect.

<Huawei> system-view
[Huawei] telnet server permit interface gigabitethernet 0/0/0
Info: Succeeded in setting telnet permit interface.

# Restore the default physical interfaces on the Telnet server to which clients can connect.

<Huawei> system-view
[Huawei] undo telnet server permit interface
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Updated: 2019-11-21

Document ID: EDOC1100064352

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