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Re: obfuscated-openssh cann't let me login to server.

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Hongyi Zhao wrote:
> On Wed, 16 Oct 2013 14:06:45 +0200, ein wrote:
> 
>> 1. Hostname may be wrong.
>> 2. SSH port may be wrong.
>> 3. Something block this connection, for instance a firewall.
> 
> The port and the hostname all are right ;-)  I've check them again and 
> again.  And I can use the http://www.sshcenter.info/site-sshcenter/
> software/myentunnel-unicode-3.5.2-obfuscated.zip to login this server 
> when I use Windows 7 OS.

Sorry for late answer, I was busy. According to my nmap's results:

Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-21 04:07 CEST
mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is
disabled. Try using --system-dns or specify valid servers with --dns-servers
Initiating SYN Stealth Scan at 04:07
Scanning 218.30.64.199 [1 port]
Completed SYN Stealth Scan at 04:07, 2.02s elapsed (1 total ports)
Nmap scan report for 218.30.64.199
Host is up.
PORT      STATE    SERVICE
60001/tcp *filtered* unknown

Read data files from: /usr/share/nmap
Nmap done: 1 IP address (1 host up) scanned in 2.06 seconds
           Raw packets sent: 2 (88B) | Rcvd: 0 (0B)

The host is down and was down in the day you wrote this massage.

According to 'nslookup ssh.sshcenter.inf':

;; Truncated, retrying in TCP mode.
Server:         127.0.0.1
Address:        127.0.0.1#53

Non-authoritative answer:
ssh.sshcenter.info      canonical name = c-ssh.luozhucheng.info.
Name:   c-ssh.luozhucheng.info
Address: 108.61.74.44
Name:   c-ssh.luozhucheng.info
Address: 142.4.60.109
Name:   c-ssh.luozhucheng.info
Address: 162.210.39.138
Name:   c-ssh.luozhucheng.info
Address: 162.218.93.91
Name:   c-ssh.luozhucheng.info
Address: 162.220.218.146
Name:   c-ssh.luozhucheng.info
Address: 173.252.246.216
Name:   c-ssh.luozhucheng.info
Address: 173.254.227.21
Name:   c-ssh.luozhucheng.info
Address: 184.95.43.34
Name:   c-ssh.luozhucheng.info
Address: 192.30.35.196
Name:   c-ssh.luozhucheng.info
Address: 198.23.227.195
Name:   c-ssh.luozhucheng.info
Address: 198.56.129.15
Name:   c-ssh.luozhucheng.info
Address: 198.98.103.195
Name:   c-ssh.luozhucheng.info
Address: 198.199.101.80
Name:   c-ssh.luozhucheng.info
Address: 199.68.199.229
Name:   c-ssh.luozhucheng.info
Address: 199.91.71.205
Name:   c-ssh.luozhucheng.info
Address: 199.119.224.224
Name:   c-ssh.luozhucheng.info
Address: 199.231.227.191
Name:   c-ssh.luozhucheng.info
Address: 209.141.63.131
Name:   c-ssh.luozhucheng.info
Address: 216.24.199.57
Name:   c-ssh.luozhucheng.info
Address: 216.158.84.79
Name:   c-ssh.luozhucheng.info
Address: 23.90.4.123
Name:   c-ssh.luozhucheng.info
Address: 69.163.34.77
Name:   c-ssh.luozhucheng.info
Address: 69.197.147.91
Name:   c-ssh.luozhucheng.info
Address: 69.197.147.92
Name:   c-ssh.luozhucheng.info
Address: 74.82.164.28

This hostname resolves to few different IP addresses. So try different:

Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-21 04:15 CEST
mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is
disabled. Try using --system-dns or specify valid servers with --dns-servers
Initiating SYN Stealth Scan at 04:15
Scanning 25 hosts [1 port/host]
Discovered open port 60001/tcp on 162.210.39.138
Discovered open port 60001/tcp on 192.30.35.196
Discovered open port 60001/tcp on 142.4.60.109
Discovered open port 60001/tcp on 198.56.129.15
Discovered open port 60001/tcp on 184.95.43.34
Discovered open port 60001/tcp on 173.254.227.21
Discovered open port 60001/tcp on 173.252.246.216
Discovered open port 60001/tcp on 162.218.93.91
Discovered open port 60001/tcp on 162.220.218.146
Discovered open port 60001/tcp on 198.23.227.195
Discovered open port 60001/tcp on 199.231.227.191
Discovered open port 60001/tcp on 108.61.74.44
Discovered open port 60001/tcp on 199.68.199.229
Discovered open port 60001/tcp on 199.119.224.224
Discovered open port 60001/tcp on 199.91.71.205
Discovered open port 60001/tcp on 69.197.147.92
Discovered open port 60001/tcp on 23.90.4.123
Discovered open port 60001/tcp on 69.197.147.91
Discovered open port 60001/tcp on 209.141.63.131
Discovered open port 60001/tcp on 216.158.84.79
Discovered open port 60001/tcp on 216.24.199.57
Discovered open port 60001/tcp on 198.199.101.80
Discovered open port 60001/tcp on 74.82.164.28
Discovered open port 60001/tcp on 198.98.103.195
Discovered open port 60001/tcp on 69.163.34.77

> I've use the -v argument to obtain more information, see below for detail:
> 
> -----------
> werner@debian-asus:~$ ssh -l hszhao ssh.sshcenter.info -p 60001 -Z key -v
> OpenSSH_5.2p1, OpenSSL 0.9.8o 01 Jun 2010
> debug1: Reading configuration data /usr/local/etc/ssh_config
> debug1: Connecting to ssh.sshcenter.info [218.30.64.199] port 60001.
> debug1: connect to address 218.30.64.199 port 60001: Connection timed out
> ssh: connect to host ssh.sshcenter.info port 60001: Connection timed out
> ----------
> 
> Furthermore, I also checked the file /usr/local/etc/ssh_config, all of 
> the content are commented out in this file, and this is the default case.
> 
> See below for detail:
> 
> --------
> werner@debian-asus:~$ cat /usr/local/etc/ssh_config
> #	$OpenBSD: ssh_config,v 1.25 2009/02/17 01:28:32 djm Exp $
> 
> # This is the ssh client system-wide configuration file.  See
> # ssh_config(5) for more information.  This file provides defaults for
> # users, and the values can be changed in per-user configuration files
> # or on the command line.
> 
> # Configuration data is parsed as follows:
> #  1. command line options
> #  2. user-specific file
> #  3. system-wide file
> # Any configuration value is only changed the first time it is set.
> # Thus, host-specific definitions should be at the beginning of the
> # configuration file, and defaults at the end.
> 
> # Site-wide defaults for some commonly used options.  For a comprehensive
> # list of available options, their meanings and defaults, please see the
> # ssh_config(5) man page.
> 
> # Host *
> #   ForwardAgent no
> #   ForwardX11 no
> #   RhostsRSAAuthentication no
> #   RSAAuthentication yes
> #   PasswordAuthentication yes
> #   HostbasedAuthentication no
> #   GSSAPIAuthentication no
> #   GSSAPIDelegateCredentials no
> #   BatchMode no
> #   CheckHostIP yes
> #   AddressFamily any
> #   ConnectTimeout 0
> #   StrictHostKeyChecking ask
> #   IdentityFile ~/.ssh/identity
> #   IdentityFile ~/.ssh/id_rsa
> #   IdentityFile ~/.ssh/id_dsa
> #   Port 22
> #   Protocol 2,1
> #   Cipher 3des
> #   Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-
> cbc,3des-cbc
> #   MACs hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160
> #   EscapeChar ~
> #   Tunnel no
> #   TunnelDevice any:any
> #   PermitLocalCommand no
> #   VisualHostKey no
> --------- 
> 
> Any hints will be highly appreciated, thanks again.

SSH client configuration is irrelevant now. Not until TCP handshake is
established.

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Thread

obfuscated-openssh cann't let me login to server. Hongyi Zhao <hongyi.zhao@gmail.com> - 2013-10-16 11:32 +0000
  Re: obfuscated-openssh cann't let me login to server. ein <ein@no.spam> - 2013-10-16 14:06 +0200
    Re: obfuscated-openssh cann't let me login to server. Hongyi Zhao <hongyi.zhao@gmail.com> - 2013-10-17 01:47 +0000
      Re: obfuscated-openssh cann't let me login to server. unruh <unruh@invalid.ca> - 2013-10-18 08:22 +0000
      Re: obfuscated-openssh cann't let me login to server. ein <ein@no.spam> - 2013-10-21 04:21 +0200
        Re: obfuscated-openssh cann't let me login to server. Hongyi Zhao <hongyi.zhao@gmail.com> - 2013-11-02 06:55 +0000
          Re: obfuscated-openssh cann't let me login to server. Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-11-02 10:15 +0100
            Re: obfuscated-openssh cann't let me login to server. Hongyi Zhao <hongyi.zhao@gmail.com> - 2013-11-03 03:15 +0000
              Re: obfuscated-openssh cann't let me login to server. Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-11-03 08:31 +0100
                Re: obfuscated-openssh cann't let me login to server. Hongyi Zhao <hongyi.zhao@gmail.com> - 2013-11-04 02:09 +0000
  Re: obfuscated-openssh cann't let me login to server. unruh <unruh@invalid.ca> - 2013-10-16 16:02 +0000

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