Error: | Unable to connect to server via SFTP-SSH

Installing and Using OpenWrt
1

Trying to connect to the router first FileZilla and second WinSCP and in both cases I get the same error. And I'm trying to connect to an old router with OpenWRT 15 or to a new router with OpenWrt 19.07.1
log from filezilla:

Stav: Připojování k 172.21.163.126...
Odpověď: fzSftp started, protocol_version=9
Příkaz: open "root@172.21.163.126" 22
Příkaz: Pass: ***************
Stav: Connected to 172.21.163.126
Chyba: FATAL ERROR: Received unexpected end-of-file from SFTP server
Chyba: Nelze se připojit k serveru

error message from winscp:
the server sent the exit status of command 127

2

Ahoj Mirku!
SFTP won't work unless you have installed the SFTP package openssh-sftp-server

3

This is strange because when I installed the old router, I backed up its configuration using winscp and I definitely didn't install the openssh-sftp-server package, as there was no space left to install

4

SCP and SFTP are different.
You can SCP the router with default installation. However Filezilla doesn't support SCP.
You'll need some specific SCP client, like WinSCP.

1 Like
5

I changed in WinSCP from sftp:// to scp:// and it works. Thank you!

1 Like
6

If your problem is solved, feel free to mark the relevant post as the solution; and edit the title to add "[SOLVED]" to the beginning (click the pencil behind the topic).

grafik

1 Like
7

Just try from your cmd - ping ip_of_remote_host:22

if you able to ping then it's ok, otherwise your ssh connection port is closed

or change WinSCP from sftp:// to scp:// and it works

8

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