SSH and SCP

SSH and SCP

This article describes basic usage of SSH and SCP in DD-WRT NXT.

For all instructions on this page, you have to enable SSH first!

Overview

Level of difficulty

 Medium

Enabling SSH access

Network Services
SSH

Under Remote Configuration:

set SSH Server to Enabled
change the SSH Port to your needs (default is 22)

Under “Set the root password”:

type in your new SSH password at “new Password”
retype the SSH password at “Retype Password”

hit the Apply all Changes button in the upper right corner

Instructions

Connecting using Windows

For using SSH in Microsofts Windows, you have to download Putty or another SSH client application of choice.

Enter the IP-Address of your router in the Host Name field
Select SSH as the Protocol
Hit Open at the very bottom to connect

Putty will once ask you to verify the SSH Servers fingerprint, you can answer with either Yes or No.

You will be prompted for login informations.

Username will always be 'root'

The password can be specified in the Webinterface (Service>SSH)

Copy using Windows - SCP

For copying a file with Windows to the routers File-System, you have to download and install WinSCP or another tool for transferring files via the SCP protocol.

Starting:

On the right hand session menu, select SCP as File protocol,

enter the IP-Address of the router (192.168.11.1 is default)

User name is always 'root'

The password can be specified in the Webinterface (Service>SSH)

Hit the login button at the very bottom

by double clicking the right hand side “..” file in the view, you'll be presented with the top level directory structure “/”

Then you can drag & drop files directly to the routers File-System

Connecting using Linux

Install the OpenSSH package using your distributions package management system

#~ ssh root@192.168.11.1
Warning: Permanently added '192.168.11.1' (RSA) to the list of known hosts.
root@192.168.11.1's password: 


BusyBox v1.23.2 (2015-10-16 10:56:34 CEST) built-in shell (ash)

 ____  ____     _ _ _ _____ _____    _____ __ __ _____
|    \|    \ __| | | | __  |_   _|  |   | |  |  |_   _|
|  |  |  |  |__| | | |    -| | |    | | | |>   <  | |
|____/|____/   |_____|__|__| |_|    |_|___|__|__| |_|

 ----------------------------------------------------

root@dd-wrt-nxt:~#

Copy using Linux SCP

Where “vpnuserpass.conf” is a file, in the current working directory,

“root@192.168.11.1” are the connection informations

“:/etc” is the place on the remote system (the router)

#~ scp vpnuserpass.conf root@192.168.11.1:/etc

the resulting file on the router will be placed as: /etc/vpnuserpass.conf

Connecting using MacOS

Apples MacOS comes with build in SSH Support.

Search for “Terminal” using Spotlight or browsing the Applications menu.

#~ ssh root@192.168.11.1
Warning: Permanently added '192.168.11.1' (RSA) to the list of known hosts.
root@192.168.11.1's password: 


BusyBox v1.23.2 (2015-10-16 10:56:34 CEST) built-in shell (ash)

 ____  ____     _ _ _ _____ _____    _____ __ __ _____
|    \|    \ __| | | | __  |_   _|  |   | |  |  |_   _|
|  |  |  |  |__| | | |    -| | |    | | | |>   <  | |
|____/|____/   |_____|__|__| |_|    |_|___|__|__| |_|

 ----------------------------------------------------

root@dd-wrt-nxt:~#

Copy using MacOS SCP