Different address range. Are you on wifi? Are you picking up a different
network from another router?
On Jul 17, 2014 2:13 PM, "Michael Havens" <
bmike1@gmail.com> wrote:
> it seems I can't ssh from the host to any other computer though I can ssh
> from the clients to the host. (tested on two computers). It is strange, the
> ip adresses on the remote boxes seem to have changed. instead of being
> 192.168.0.x they are now 192.168.1.10x.
> gots to go to work now.
>
> :-)~MIKE~(-:
>
>
> On Thu, Jul 17, 2014 at 1:47 PM, Michael Havens <bmike1@gmail.com> wrote:
>
>> on the server it says:
>>
>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>> LISTEN 1308/sshd
>> tcp 0 0 127.0.0.1:22 127.0.0.1:56545
>> ESTABLISHED 19569/sshd: bmike1
>> tcp 0 0 127.0.0.1:56545 127.0.0.1:22
>> ESTABLISHED 19568/ssh
>> tcp6 0 0 :::22 :::*
>> LISTEN 1308/sshd
>>
>> while the client says:
>>
>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>> LISTEN 2546/sshd
>> tcp6 0 0 :::22 :::*
>> LISTEN 2546/sshd
>>
>> so it looks like both are listening.
>>
>> :-)~MIKE~(-:
>>
>>
>> On Thu, Jul 17, 2014 at 1:04 PM, Michael Butash <michael@butash.net>
>> wrote:
>>
>>> sudo netstat -anp | grep tcp | grep LISTEN
>>>
>>> -a == all
>>> -n == do not resolve dns (slows it down significantly)
>>> -p == show the app opening the socket (requires sudo to enumerate)
>>>
>>> grep tcp == look for tcp-based sockets (most apps won't use udp)
>>> grep LISTEN == look at listening sockets, vs established that indicated
>>> something *is* connected
>>>
>>> This is a good one to remember, this shows all your "listening"
>>> sockets. Your ssh socket is outbound to another host, but doesn't look
>>> like sshd is listening on port 22, which won't let you in.
>>>
>>> TCP/UDP sockets are your door into the system.
>>>
>>> mb@host ~ $ sudo netstat -anp | grep tcp | grep ssh
>>> [sudo] password for mb:
>>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>>> LISTEN 19847/sshd
>>> tcp6 0 0 :::22 :::*
>>> LISTEN 19847/sshd
>>>
>>> First is ipv4-based socket, second is ipv6-based. You should see
>>> similar, with 0.0.0.0 meaning it's listening on _all_ interfaces.
>>>
>>> -mb
>>>
>>>
>>>
>>> On 07/17/2014 12:28 PM, Michael Havens wrote:
>>>
>>> okay,
>>> netsstat on the server prints out a lot of data.
>>> The first section says:
>>> Active Internet connections (w/o servers)
>>> Proto Recv-Q Send-Q Local Address Foreign Address
>>> State
>>> tcp 0 0 192.168.0.4:38521 lax17s01-in-f21.1:https
>>> ESTABLISHED
>>> tcp 0 0 192.168.0.4:36523 lax17s01-in-f4.1e:https
>>> ESTABLISHED
>>> tcp 0 0 localhost:45886 localhost:53919
>>> ESTABLISHED
>>> tcp 0 0 localhost:ssh localhost:56545
>>> ESTABLISHED
>>> tcp 0 0 localhost:44799 localhost:53919
>>> ESTABLISHED
>>> tcp 0 0 localhost:47157 localhost:53919
>>> ESTABLISHED
>>> tcp 0 0 localhost:53919 localhost:44799
>>> ESTABLISHED
>>> tcp 0 0 localhost:53919 localhost:47157
>>> ESTABLISHED
>>> tcp 0 0 localhost:56545 localhost:ssh
>>> ESTABLISHED
>>> tcp 0 0 localhost:53919 localhost:45886
>>> ESTABLISHED
>>> tcp 0 0 192.168.0.4:37884 lax17s01-in-f0.1e:https
>>> ESTABLISHED
>>> tcp 0 0 192.168.0.4:45304 lax17s01-in-f5.1e:https
>>> ESTABLISHED
>>> tcp 0 0 192.168.0.4:36525 lax17s01-in-f4.1e:https
>>> ESTABLISHED
>>> tcp6 1 0 ip6-localhost:53614 ip6-localhost:ipp
>>> CLOSE_WAIT
>>>
>>> while the second section says:
>>> Active UNIX domain sockets (w/o servers)
>>> Proto RefCnt Flags Type State I-Node Path
>>> unix 18 [ ] DGRAM 11578 /dev/log
>>> unix 2 [ ] DGRAM 10914
>>> /var/run/wpa_supplicant/wlan0
>>> unix 3 [ ] STREAM CONNECTED 343530
>>> unix 3 [ ] STREAM CONNECTED 198728
>>> unix 3 [ ] STREAM CONNECTED 198167
>>> unix 3 [ ] STREAM CONNECTED 198683
>>> ---edit out a lot of stuff--
>>>
>>> while on the remote system netstat prints 7 lines that is basically the
>>> second section (above).
>>>
>>> I'm not sure how to run sshin debug mode but the man page implies to
>>> run it with the verbose flag:
>>> :~$ ssh -v mike@192.168.1.101
>>> OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
>>> debug1: Reading configuration data /etc/ssh/ssh_config
>>> debug1: /etc/ssh/ssh_config line 19: Applying options for *
>>> debug1: Connecting to 192.168.1.101 [192.168.1.101] port 22.
>>> debug1: connect to address 192.168.1.101 port 22: Connection timed out
>>> ssh: connect to host 192.168.1.101 port 22: Connection timed out
>>> bmike1@CQ57-1:~$ ssh -vv mike@192.168.1.101
>>> OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
>>> debug1: Reading configuration data /etc/ssh/ssh_config
>>> debug1: /etc/ssh/ssh_config line 19: Applying options for *
>>> debug2: ssh_connect: needpriv 0
>>> debug1: Connecting to 192.168.1.101 [192.168.1.101] port 22.
>>> debug1: connect to address 192.168.1.101 port 22: Connection timed out
>>> ssh: connect to host 192.168.1.101 port 22: Connection timed out
>>>
>>>
>>> :~$ ps -aef | grep sshd
>>> root 1308 1 0 Jul15 ? 00:00:00 /usr/sbin/sshd -D
>>> bmike1 19566 4242 0 11:53 pts/2 00:00:00 grep --colour=auto sshd
>>>
>>>
>>> it doesn't seem ssh failed at any point.
>>>
>>> :-)~MIKE~(-:
>>>
>>>
>>> On Thu, Jul 17, 2014 at 12:33 AM, James Mcphee <jmcphe@gmail.com> wrote:
>>>
>>>> Verify openssh is enabled on the server with netstat. Verify you can
>>>> connect to port 22 from client to server. Run ssh in debug mode to see
>>>> messages. When you hit a point that it fails, then you have a better idea
>>>> of what's wrong.
>>>>
>>>>
>>>> On Wed, Jul 16, 2014 at 9:54 PM, Michael Havens <bmike1@gmail.com>
>>>> wrote:
>>>>
>>>>> okay, so I bought a used computer to do Linux from scratch on.
>>>>> Well, I'm going to ssh from my primary computer to the new computer but got
>>>>> a 'Connection timed out' error. After googling for a bit I discovered ufw
>>>>> was to blame.
>>>>>
>>>>> after I disabled the firewall I could ssh from 192.168.1.101
>>>>> <parasite> to 192.168.0.4 <host>
>>>>>
>>>>> the error I got going the other way was the connection timed out error:
>>>>>
>>>>> ssh mike@192.168.1.101
>>>>> ssh: connect to host 192.168.1.101 port 22: Connection timed out
>>>>>
>>>>> After googling some more I thought perhaps openssh-server wasn't
>>>>> installed... but it is. So please.... what is the problem? I verifed
>>>>> openssh-client is installed but I don't know what it could be. Could you
>>>>> help me out?
>>>>> :-)~MIKE~(-:
>>>>>
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> James McPhee
>>>> jmcphe@gmail.com
>>>>
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>>>
>>>
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>>
>>
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