Nov 11, 2009

Linux Error - ssh: connect to host 10.10.25.5 port 22: Connection refused (or) How to configure ssh server in cygwin

Problem:
ssh: connect to host 10.10.25.5 port 22: Connection refused

Solution:
machine does not allows communiation through ssh. configure ssh server to allow communication through ssh
http://ist.uwaterloo.ca/~kscully/CygwinSSHD_W2K3.html

Sample ssh setup log
chmod +r /etc/passwd
chmod +r /etc/group
chmod 0775 /var

$ ssh-host-config
*** Query: Overwrite existing /etc/ssh_config file? (yes/no) yes
*** Info: Creating default /etc/ssh_config file
*** Query: Overwrite existing /etc/sshd_config file? (yes/no) yes
*** Info: Creating default /etc/sshd_config file
*** Info: Privilege separation is set to yes by default since OpenSSH 3.3.
*** Info: However, this requires a non-privileged account called 'sshd'.
*** Info: For more info on privilege separation read /usr/share/doc/openssh/READ
ME.privsep.
*** Query: Should privilege separation be used? (yes/no) yes
*** Info: Note that creating a new user requires that the current account have
*** Info: Administrator privileges.  Should this script attempt to create a
*** Query: new local account 'sshd'? (yes/no) yes
*** Info: Updating /etc/sshd_config file
*** Info: Added ssh to C:\WINDOWS\system32\driversc\services


*** Warning: The following functions require administrator privileges!

*** Query: Do you want to install sshd as a service?
*** Query: (Say "no" if it is already installed as a service) (yes/no) yes
*** Info: Note that the CYGWIN variable must contain at least "ntsec"
*** Info: for sshd to be able to change user context without password.
*** Query: Enter the value of CYGWIN for the daemon: [ntsec]

*** Info: The sshd service has been installed under the LocalSystem
*** Info: account (also known as SYSTEM). To start the service now, call
*** Info: `net start sshd' or `cygrunsrv -S sshd'.  Otherwise, it
*** Info: will start automatically after the next reboot.

*** Info: Host configuration finished. Have fun!

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