✎ howto:use_cases:management:ssh_and_scp [DD-WRT NXT Wiki]

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====== 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 ====

Login the WEB-Interface, then navigate to:
  * 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 ==


{{:documentation:general:vpn:dropbear-enable-ssh.png?direct|}}
==== Related topics ====

  * [[documentation:general:vpn:vpn_service_provider|VPN Service Provider]]

  
===== Instructions =====

==== Connecting using Windows ====

For using SSH in Microsofts Windows, you have to download  [[http://www.putty.org/|Putty]] or another SSH client application of choice.

{{:2015-10-22-132555_450x409_scrot.png?direct&500|}} 

  * 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.

{{:putty_cert.png?direct&500|}}

You will be prompted for login informations.

{{:putty_login_prompt.png?direct&500|}}

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 [[http://winscp.net/eng/download.php|WinSCP]] or another tool for transferring files via the SCP protocol.

Starting:

{{:winscplogin.png?direct&500|}}

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


{{:winscp-start-roothome.png?direct&500|}}

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

{{:winscp-router-rootdir-scp-vpnpass.png?direct&500|}}


==== Connecting using Linux ====

  * Install the OpenSSH package using your distributions package management system

<code>
#~ 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:~# 

</code>

==== 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)


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

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.

<code>
#~ 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:~# 

</code>

==== Copy using MacOS 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)


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

the resulting file on the router will be placed as:
/etc/vpnuserpass.conf
==== UCI Config System ====

  * **Enable SSH**
<code>
uci show dropbear
</code>        

  * **Store changes**
<code>
uci commit dropbear
</code>

  * **Apply changes**
<code>
/etc/init.d/dropbear restart
</code>

==== UCI config files (native) ====


===== Troubleshooting =====

Not available, yet
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