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Just to confirm if iptables are the issue try stopping iptables and see if it works and then you can debug further.—
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On Fri, Sep 19, 2014 at 3:55 AM, Srinivasreddy R
<srinivasreddy4390 at gmail.com> wrote:

> hi,
> i had addeed  a rule for (ingress, tcp, port 22 and cidr 0.0.0.0/0).  still
> not able to ssh .
> my instance overview
> http://paste.openstack.org/show/113170/
> i pasted my ip tables [ nat, mangle,filter] output ..
> please let me know i want to add or delete any thing in iptables .
> http://paste.openstack.org/show/113164/
> thanks,
> srinivas.
> On Fri, Sep 19, 2014 at 12:39 PM, Akilesh K <akilesh1597 at gmail.com> wrote:
>> The mail from Andreas was correct you need to add a rule for (ingress,
>> tcp, port 22 and cidr 0.0.0.0/0).
>>
>> In case the rule is already there. check the host firewall rules using
>> iptables -t nat -L
>> iptables -t mangle -L
>> iptables -t filter -L
>>
>> None of the tables should have any rule.
>>
>> On Fri, Sep 19, 2014 at 9:41 AM, Srinivasreddy R <
>> srinivasreddy4390 at gmail.com> wrote:
>>
>>> hi,
>>> i have checked security group rules .
>>> my instance is pinging to router and even a device  in external network .
>>> mostly my problem may in host's firewall .
>>> how can i identify which rule is dropping the ssh traffic .?
>>> how can  i confirm that ssh traffic is blocked at firewall .?
>>> i there any way to see the firewall dropped packets ?
>>>
>>> thanks ,
>>> srinivas.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Thu, Sep 18, 2014 at 7:36 PM, Akilesh K <akilesh1597 at gmail.com> wrote:
>>>
>>>> I believe you have checked the security group rules. Make sure the
>>>> instance is able to ping the router. If yes the problem lies in your host's
>>>> firewall rules. Flush the hosts iptable rules(you may take a backup before
>>>> you do that).
>>>>
>>>> On Thu, Sep 18, 2014 at 7:32 PM, Srinivasreddy R <
>>>> srinivasreddy4390 at gmail.com> wrote:
>>>>
>>>>> hi ,
>>>>> thanks for your reply .
>>>>>
>>>>> 1. i have checked ssh server is running in instance ..
>>>>>     ssh from one instance to another is possible using private
>>>>> network[demo-net] .
>>>>> 2. checked  ssh is running in port 22
>>>>> 3. telnet <ip>  22 is not working .
>>>>>
>>>>>
>>>>> 4. output when i run ssh using verbose  pasted at
>>>>>
>>>>> http://paste.openstack.org/show/112860/
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ==================================
>>>>> ip tables output
>>>>>
>>>>> my internal network for vm is 11.0.0.x and external network is
>>>>> 172.0.0.x
>>>>>
>>>>>
>>>>> root at user-ThinkCentre-M73:/home/user# ip netns exec
>>>>> qrouter-f6e00f94-1c6d-4cf5-8cae-319e393240fe  iptables -t nat -S
>>>>> -P PREROUTING ACCEPT
>>>>> -P INPUT ACCEPT
>>>>> -P OUTPUT ACCEPT
>>>>> -P POSTROUTING ACCEPT
>>>>> -N neutron-l3-agent-OUTPUT
>>>>> -N neutron-l3-agent-POSTROUTING
>>>>> -N neutron-l3-agent-PREROUTING
>>>>> -N neutron-l3-agent-float-snat
>>>>> -N neutron-l3-agent-snat
>>>>> -N neutron-postrouting-bottom
>>>>> -A PREROUTING -j neutron-l3-agent-PREROUTING
>>>>> -A OUTPUT -j neutron-l3-agent-OUTPUT
>>>>> -A POSTROUTING -j neutron-l3-agent-POSTROUTING
>>>>> -A POSTROUTING -j neutron-postrouting-bottom
>>>>> -A neutron-l3-agent-OUTPUT -d 172.0.0.7/32 -j DNAT --to-destination
>>>>> 11.0.0.9
>>>>> -A neutron-l3-agent-OUTPUT -d 172.0.0.3/32 -j DNAT --to-destination
>>>>> 11.0.0.2
>>>>> -A neutron-l3-agent-OUTPUT -d 172.0.0.4/32 -j DNAT --to-destination
>>>>> 11.0.0.5
>>>>> -A neutron-l3-agent-POSTROUTING ! -i qg-ec80d9fb-82 ! -o qg-ec80d9fb-82
>>>>> -m conntrack ! --ctstate DNAT -j ACCEPT
>>>>> -A neutron-l3-agent-PREROUTING -d 169.254.169.254/32 -p tcp -m tcp
>>>>> --dport 80 -j REDIRECT --to-ports 9697
>>>>> -A neutron-l3-agent-PREROUTING -d 172.0.0.7/32 -j DNAT
>>>>> --to-destination 11.0.0.9
>>>>> -A neutron-l3-agent-PREROUTING -d 172.0.0.3/32 -j DNAT
>>>>> --to-destination 11.0.0.2
>>>>> -A neutron-l3-agent-PREROUTING -d 172.0.0.4/32 -j DNAT
>>>>> --to-destination 11.0.0.5
>>>>> -A neutron-l3-agent-float-snat -s 11.0.0.9/32 -j SNAT --to-source
>>>>> 172.0.0.7
>>>>> -A neutron-l3-agent-float-snat -s 11.0.0.2/32 -j SNAT --to-source
>>>>> 172.0.0.3
>>>>> -A neutron-l3-agent-float-snat -s 11.0.0.5/32 -j SNAT --to-source
>>>>> 172.0.0.4
>>>>> -A neutron-l3-agent-snat -j neutron-l3-agent-float-snat
>>>>> -A neutron-l3-agent-snat -s 11.0.0.0/24 -j SNAT --to-source 172.0.0.2
>>>>> -A neutron-postrouting-bottom -j neutron-l3-agent-snat
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> =====================
>>>>> i pasted my dump flows of br-tun at
>>>>> http://paste.openstack.org/show/112859/
>>>>>
>>>>>
>>>>>
>>>>> as per the doc
>>>>>  https://openstack.redhat.com/Networking_in_too_much_detail
>>>>>
>>>>> br-ex is connected to router , router is connected to br-int , br-int
>>>>> is connected to bt-tun .
>>>>>
>>>>> i have captured at br-int . my ssh request is reaching to br-int but
>>>>> not going through tunnel .
>>>>>
>>>>> please help me .
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> thanks,
>>>>> srinivas.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Sep 17, 2014 at 9:30 PM, Sajith Kariyawasam <sajhak at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Could be due to,
>>>>>>     ssh server is not up and running in your instance,
>>>>>>     or running in a different port rather than port 22,
>>>>>>     or, ssh port access is restricted in openstack key pair
>>>>>> configuration
>>>>>>
>>>>>> You could also try telnet to check the connectivity,
>>>>>> $ telnet <ip> 22
>>>>>>
>>>>>> Thanks,
>>>>>> Sajith
>>>>>>
>>>>>>
>>>>>> On Wed, Sep 17, 2014 at 8:59 PM, Zoltán Lajos Kis <
>>>>>> zoltan.lajos.kis at ericsson.com> wrote:
>>>>>>
>>>>>>>  Hi,
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> What’s the output of running ssh with the verbose (-v) flag?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> BR,
>>>>>>>
>>>>>>> Zoltan
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> *From:* Srinivasreddy R [mailto:srinivasreddy4390 at gmail.com]
>>>>>>> *Sent:* Wednesday, September 17, 2014 5:16 PM
>>>>>>> *To:* openstack at lists.openstack.org
>>>>>>> *Subject:* [Openstack] able to ping but not able to ssh to instance
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> hi,
>>>>>>>
>>>>>>> i am able to ping my instance form external network .
>>>>>>>
>>>>>>> but  not able to ssh to the instance .
>>>>>>>
>>>>>>> i am using floating ip s for ping,ssh.
>>>>>>>
>>>>>>> please help me .
>>>>>>>
>>>>>>> thanks,
>>>>>>> srinivas.
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>> Post to     : openstack at lists.openstack.org
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Best Regards
>>>>>> Sajith
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>
>>>
>>
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