Results 1 to 4 of 4

Thread: SSH Not working

  1. #1
    Just burned their ISO pra838's Avatar
    Join Date
    Feb 2012
    Posts
    1

    Unhappy SSH Not working

    This bt server I used morethan 6 months.SSH worked properly.I Expanded my hard disk capacity as follows (My host is RHEL 5.X and used KVM for virtualization).
    #####################
    #1.Stop VM
    #2.mv mykvm.img mykvm.img.bkp
    #3.qemu-img create -f raw addon.raw 10G
    4#.cat mykvm.img.bak addon.raw >> mykvm.img
    ####################################

    VNC and all other services work(metasploit also working).But ssh is not working.

    when give following ...
    root@bt:~# /etc/init.d/ssh start
    root@bt:~#

    No outputs.....

    root@bt:~# ssh -v root@localhost
    OpenSSH_5.3p1 Debian-3ubuntu6, OpenSSL 0.9.8k 25 Mar 2009
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Connecting to localhost [127.0.0.1] port 22.
    debug1: connect to address 127.0.0.1 port 22: Connection refused
    ssh: connect to host localhost port 22: Connection refused
    root@bt:~#

    ######## My sshd_config file look likes this ...... ###############

    root@bt:~# cat /etc/ssh/sshd_config
    # Package generated configuration file
    # See the sshd_config(5) manpage for details

    # What ports, IPs and protocols we listen for
    Port 22
    # Use these options to restrict which interfaces/protocols sshd will bind to
    #ListenAddress ::
    #ListenAddress 0.0.0.0
    Protocol 2
    # HostKeys for protocol version 2
    #HostKey /etc/ssh/ssh_host_rsa_key
    #HostKey /etc/ssh/ssh_host_dsa_key
    #Privilege Separation is turned on for security
    UsePrivilegeSeparation yes

    # Lifetime and size of ephemeral version 1 server key
    KeyRegenerationInterval 3600
    ServerKeyBits 768

    # Logging
    SyslogFacility AUTH
    LogLevel INFO

    # Authentication:
    LoginGraceTime 120
    PermitRootLogin yes
    StrictModes yes

    RSAAuthentication yes
    PubkeyAuthentication yes
    AuthorizedKeysFile %h/.ssh/authorized_keys

    # Don't read the user's ~/.rhosts and ~/.shosts files
    IgnoreRhosts yes
    # For this to work you will also need host keys in /etc/ssh_known_hosts
    RhostsRSAAuthentication no
    # similar for protocol version 2
    HostbasedAuthentication no
    # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
    #IgnoreUserKnownHosts yes

    # To enable empty passwords, change to yes (NOT RECOMMENDED)
    PermitEmptyPasswords no

    # Change to yes to enable challenge-response passwords (beware issues with
    # some PAM modules and threads)
    ChallengeResponseAuthentication no

    # Change to no to disable tunnelled clear text passwords
    PasswordAuthentication yes

    # Kerberos options
    #KerberosAuthentication no
    #KerberosGetAFSToken no
    #KerberosOrLocalPasswd yes
    #KerberosTicketCleanup yes

    # GSSAPI options
    #GSSAPIAuthentication no
    #GSSAPICleanupCredentials yes

    X11Forwarding yes
    X11DisplayOffset 10
    PrintMotd no
    PrintLastLog yes
    TCPKeepAlive yes
    #UseLogin no

    #MaxStartups 10:30:60
    #Banner /etc/issue.net

    # Allow client to pass locale environment variables
    AcceptEnv LANG LC_*

    Subsystem sftp /usr/lib/openssh/sftp-server

    # Set this to 'yes' to enable PAM authentication, account processing,
    # and session processing. If this is enabled, PAM authentication will
    # be allowed through the ChallengeResponseAuthentication and
    # PasswordAuthentication. Depending on your PAM configuration,
    # PAM authentication via ChallengeResponseAuthentication may bypass
    # the setting of "PermitRootLogin without-password".
    # If you just want the PAM account and session checks to run without
    # PAM authentication, then enable this but set PasswordAuthentication
    # and ChallengeResponseAuthentication to 'no'.
    UsePAM yes
    UseDNS no
    #
    #
    #ServerAliveInterval 60
    root@bt:~#


    ###### Done following things #####

    sshd-generate
    /etc/init.d/ssh stop --- start (< --- ssh script also in init.d)


    Not working.....

    Please help me to rectify the issue.I saw many posts regarding this issue but not with correct solutions.Is this BT issue?

    Thanks and Bestb Regards/
    Prabhath

  2. #2
    My life is this forum thorin's Avatar
    Join Date
    Jan 2010
    Posts
    2,629

    Default Re: SSH Not working

    #ListenAddress 0.0.0.0
    # is a comment character. If a line in the config starts with # it's ignored. You need an actual address to listen to. If you simply un-comment this line and leave the value as 0.0.0.0 (a significant value) then sshd will listen on all network interfaces. If you want it bound to a specific interface then enter the IP of that specific interface.
    I'm a compulsive post editor, you might wanna wait until my post has been online for 5-10 mins before quoting it as it will likely change.

    I know I seem harsh in some of my replies. SORRY! But if you're doing something illegal or posting something that seems to be obvious BS I'm going to call you on it.

  3. #3
    Very good friend of the forum maverik35's Avatar
    Join Date
    Sep 2009
    Location
    Debian land
    Posts
    734

    Default Re: SSH Not working

    See if sshd is running: ps -A | grep -i sshd

    Then use nmap to scan localhost at port 22 and see if service is listenning in that port..

    Luck.

  4. #4
    Senior Member
    Join Date
    Jul 2009
    Posts
    135

    Default Re: SSH Not working

    Use netstat to determine whether port 22 is listening. If not, follow Thorin's suggestion.

Similar Threads

  1. Strange problem: AWUS036H working in BT5-KDE-VM-32. NOT working in BT5-GNOME-VM-32
    By sekstiseks in forum BackTrack 5 Beginners Section
    Replies: 1
    Last Post: 09-11-2011, 11:09 AM
  2. AWUS036NH working, then NOT working.
    By LITR00 in forum Beginners Forum
    Replies: 3
    Last Post: 01-03-2011, 04:53 PM
  3. Replies: 1
    Last Post: 07-26-2010, 10:59 PM
  4. DNS Spoofing is working/working not!
    By htons139 in forum Beginners Forum
    Replies: 3
    Last Post: 05-19-2010, 08:20 PM
  5. Belkin F5D7050e - Confirmed working/Not working?
    By Beanz in forum OLD Newbie Area
    Replies: 1
    Last Post: 12-07-2008, 06:53 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •