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Forum Discussion
ssh stopped working (connection abort) #19586817
I have perhaps a similar problem with my ReadyNas Ultra 4 plus. Since recent updates, root SSH access doesn't seem to work when using Putty. (referring to :- viewtopic.php?f=20&t=65601&hilit=ssh+sto...
Try downloading nmap from http://nmap.org/download.html.
Then run a scan with
you should get
if you get something about tcpwapper.
then do a firmware update from front-view
and as the NAS reboots keep scaning as above (rescan over and over)
till you see
if you miss it just try doing the frimware update again from frontview till you get it
once you have ssh access see if sshd is missing from /var/run/
if so then
do a nmap scan before disconnecting to see if the port in open
else you'll need to look at the ssh logs and start googleing.
good luck.
Then run a scan with
nmap -sV -p 22 192.168.0.1 <---replace with your nas ip.
you should get
PORT STATE SERVICE VERSIONif everything working ok
22/tcp open ssh OpenSSH 4.3p2 Debian 9 (protocol 2.0)
if you get something about tcpwapper.
then do a firmware update from front-view
and as the NAS reboots keep scaning as above (rescan over and over)
till you see
PORT STATE SERVICE VERSIONthen quickly log in with putty before the NAS fully reboots
22/tcp open ssh OpenSSH 4.3p2 Debian 9 (protocol 2.0)
if you miss it just try doing the frimware update again from frontview till you get it
once you have ssh access see if sshd is missing from /var/run/
if so then
mkdir /var/run/sshd
chmod 0755 /var/run/sshd
do a nmap scan before disconnecting to see if the port in open
else you'll need to look at the ssh logs and start googleing.
good luck.
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