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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Enabling SCP and SSH

Secure shell (SSH) is a protocol for secure remote login and other secure network services over an insecure network. Dell EMC Networking OS is compatible with SSH versions 2, in both the client and server modes. SSH sessions are encrypted and use authentication. SSH is enabled by default.

For details about the command syntax, refer to the Security chapter in the Dell EMC Networking OS Command Line Interface Reference Guide.

Dell EMC Networking OS SCP, which is a remote file copy program that works with SSH.

NOTE The Windows-based WinSCP client software is not supported for secure copying between a PC and a Dell EMC Networking OS-based system. Unix-based SCP client software is supported.

To use the SSH client, use the following command.

  • Open an SSH connection and specify the hostname, username, port number,encryption cipher,HMAC algorithm and version of the SSH client.
    EXEC Privilege mode
    ssh {hostname} [-l username | -p port-number | -v 2}| -c encryption cipher | -m HMAC algorithm
    hostname is the IP address or host name of the remote device. Enter an IPv4 or IPv6 address in dotted decimal format (A.B.C.D).
  • SSH V2 is enabled by default on all the modes.
  • Display SSH connection information.
    EXEC Privilege mode
    show ip ssh

Specifying an SSH Version

The following example uses the ip ssh server version 2 command to enable SSH version 2 and the show ip ssh command to confirm the setting.
DellEMC(conf)#ip ssh server version 2
DellEMC(conf)#do show ip ssh
SSH server                : enabled.
SSH server version        : v2.
SSH server vrf            : default.
SSH server ciphers        : 3des-cbc,aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr.
SSH server macs           : hmac-md5,hmac-md5-96,hmac-sha1,hmac-sha1-96,hmac-sha2-256,hmac-sha2-256-96.
SSH server kex algorithms : diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1,diffie-hellman-group14-sha1.
Password Authentication   : enabled.
Hostbased Authentication  : disabled.
RSA       Authentication  : disabled.
   Vty          Encryption      HMAC            Remote IP
DellEMC(conf)#

To disable SSH server functions, use the no ip ssh server enable command.

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