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From André Warnier (tomcat) ...@ice-sa.com>
Subject Re: TCP6
Date Sun, 18 Mar 2018 16:42:59 GMT
On 18.03.2018 15:17, Loai Abdallatif wrote:
> Yes sure, I have added the below lines to /etc/sysctl.conf
>
> net.ipv6.conf.all.disable_ipv6 = 1net.ipv6.conf.default.disable_ipv6 =
> 1net.ipv6.conf.lo.disable_ipv6 = 1net.ipv6.conf.eth0.disable_ipv6 = 1
>

Is that not a bit excessive ? you have totally disabled IPv6 for the whole system.
So nobody who is using IPv6 will be able to communicate with your system, and none of the

programs running on your system will be able to communicate with any other host using IPv6.

>
>
> On Sun, Mar 18, 2018 at 4:14 PM, André Warnier (tomcat) <aw@ice-sa.com>
> wrote:
>
>> On 18.03.2018 15:06, Loai Abdallatif wrote:
>>
>>> Hello All
>>>
>>> I disabled ip6
>>>
>>
>> thanks for saying that, but you do not say how you did that.
>> Please say, so that future readers of the tomcat users mailing lists
>> archives
>> (http://tomcat.apache.org/lists.html#Apache_Tomcat_Mailing_Lists)
>> will find it, and not need to ask again.
>>
>>   and restarted the machine , and its working now\
>>
>>> root@appserver01:/opt/tomcat/controller# netstat -antp
>>> Active Internet connections (servers and established)
>>> Proto Recv-Q Send-Q Local Address           Foreign Address
>>> State       PID/Program name
>>> tcp        0      0 10.160.180.99:4002      0.0.0.0:*
>>> LISTEN      871/java
>>> tcp        0      0 10.160.180.99:8005      0.0.0.0:*
>>> LISTEN      730/java
>>> tcp        0      0 0.0.0.0:46022           0.0.0.0:*
>>> LISTEN      422/rpc.statd
>>> tcp        0      0 10.160.180.99:8105      0.0.0.0:*
>>> LISTEN      799/java
>>> tcp        0      0 10.160.180.99:8009      0.0.0.0:*
>>> LISTEN      730/java
>>> tcp        0      0 10.160.180.99:8109      0.0.0.0:*
>>> LISTEN      799/java
>>> tcp        0      0 0.0.0.0:111             0.0.0.0:*
>>> LISTEN      413/rpcbind
>>> tcp        0      0 10.160.180.99:8080      0.0.0.0:*
>>> LISTEN      730/java
>>> tcp        0      0 10.160.180.99:8209      0.0.0.0:*
>>> LISTEN      871/java
>>> tcp        0      0 10.160.180.99:8081      0.0.0.0:*
>>> LISTEN      799/java
>>> tcp        0      0 10.160.180.99:8082      0.0.0.0:*
>>> LISTEN      871/java
>>> tcp        0      0 0.0.0.0:22              0.0.0.0:*
>>> LISTEN      457/sshd
>>> tcp        0      0 10.160.180.99:4000      0.0.0.0:*
>>> LISTEN      730/java
>>> tcp        0      0 10.160.180.99:4001      0.0.0.0:*
>>> LISTEN      799/java
>>> tcp        0    464 10.160.180.99:22        10.160.1.14:54236
>>> ESTABLISHED 710/0
>>> tcp        0      0 10.160.180.99:35993     10.160.180.99:4001
>>> TIME_WAIT   -
>>> tcp        0      0 10.160.180.99:56843     10.160.180.99:4002
>>> TIME_WAIT   -
>>> tcp        0      0 10.160.180.99:56842     10.160.180.99:4002
>>> TIME_WAIT   -
>>> tcp        0      0 10.160.180.99:56889     10.160.180.99:4000
>>> TIME_WAIT   -
>>> tcp6       0      0 :::111                  :::*
>>> LISTEN      413/rpcbind
>>> tcp6       0      0 :::22                   :::*
>>> LISTEN      457/sshd
>>> tcp6       0      0 :::50203                :::*
>>> LISTEN      422/rpc.statd
>>>
>>>
>>> On Sun, Mar 18, 2018 at 3:56 PM, M. Manna <manmedia@gmail.com> wrote:
>>>
>>> In your server.xml add address="0.0.0.0" for connector.
>>>>
>>>> On 18 Mar 2018 1:04 pm, "Loai Abdallatif" <loai.abdallatif@gmail.com>
>>>> wrote:
>>>>
>>>> Dear Friends
>>>>>
>>>>> *root@appserver01:~# netstat -antp*
>>>>> I have started  three tomcat instances on one debian server and I got
>>>>> the
>>>>> following netstat output:
>>>>> how I force the tomcat to bind to tcp instead of tcp6
>>>>>
>>>>>
>>>>> tcp6       0      0 10.160.180.99:8005      :::*
>>>>> LISTEN      742/java
>>>>> tcp6       0      0 10.160.180.99:8105      :::*
>>>>> LISTEN      804/java
>>>>> tcp6       0      0 10.160.180.99:8009      :::*
>>>>> LISTEN      742/java
>>>>> tcp6       0      0 10.160.180.99:8109      :::*
>>>>> LISTEN      804/java
>>>>> tcp6       0      0 :::111                  :::*
>>>>> LISTEN      416/rpcbind
>>>>> tcp6       0      0 10.160.180.99:8080      :::*
>>>>> LISTEN      742/java
>>>>> tcp6       0      0 10.160.180.99:8081      :::*
>>>>> LISTEN      804/java
>>>>> tcp6       0      0 :::22                   :::*
>>>>> LISTEN      496/sshd
>>>>> tcp6       0      0 ::1:25                  :::*
>>>>> LISTEN      709/exim4
>>>>> tcp6       0      0 :::39098                :::*
>>>>> LISTEN      425/rpc.statd
>>>>> tcp6       0      0 10.160.180.99:4000      :::*
>>>>> LISTEN      742/java
>>>>> tcp6       0      0 10.160.180.99:4001      :::*
>>>>> LISTEN      804/java
>>>>>
>>>>>
>>>>
>>>
>>
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>


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