How to verify the ssh version on NetScaler
Article ID: CTX217697
Updated On:
Description
To confirm NetScaler will communicate on which ssh version
Instructions
Verify through cat /etc/sshd_config that ssh protocol 2 is enabled. Also we verify by logging in to the device using ssh v1 and it will gave us the error configuration is not provided by the server.root@netscaler# cat /etc/sshd_config
Port 22
ListenAddress 0.0.0.0
ListenAddress ::
Protocol 2 <<<<<<<<<<<<<<<< shows that it will only accept Protocol 2 connections
To verify this, try to ssh to device with SSHv1 checked:
When you will ssh to NetScaler with version 1, you will get below error:
To verify from command line
****************************************
> shell
Copyright (c) 1992-2013 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
root@ns# ssh -1 nsroot@<NSIP>
Protocol major versions differ: 1 vs. 2
root@ns# ssh -2 nsroot@<NSIP>
The authenticity of host '10.107.148.164 (10.107.148.164)' can't be established.
RSA key fingerprint is 61:01:da:f9:7b:67:c2:d8:1c:24:ef:fc:41:82:11:9b.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.107.148.164' (RSA) to the list of known hosts.
###############################################################################
# #
# WARNING: Access to this system is for authorized users only #
# Disconnect IMMEDIATELY if you are not an authorized user! #
# #
###############################################################################
Password: XXXXXXXX
Issue/Introduction
