Mailing List Archive: VPNC hang

VPNC hang

Feb 6, 2013, 7:40 PM

Post #1 of 10 (5161 views)

Hi,

I have VPNC set up and connected between my home and work. The connection works for about an hour and then VPNC appears to hang and has to be restarted. I setup the same connection on an EC2 micro instance with the same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC is installed on a 6 core Xeon server. I was therefore thinking it could be a race condition but I'm only guessing.

Here's a log from the server that shows the hang: http://pastebin.com/2v49FLxw. Notice that the 'lifetime status' messages stop at 3819 and then one more is output before the shutdown is processed. The 'Interrupted system call' appears earlier but I think this is just because the log output is buffered. Also the 'lifetime status' messages appear to slow down before the hang.

And here's a log from the micro EC2 instance at around the same hour mark without a hang: http://pastebin.com/QHTnrswd. The 'lifetime status' messages never slow down and new lifetime parameters are processed which I assume is what should happen in the other environment as well.

Both VPNC's report their versions the same:
ubuntu@ip-10-0-1-214:~$ vpnc --version
vpnc version 0.5.3r512
Copyright (C) 2002-2006 Geoffrey Keating, Maurice Massar, others
vpnc comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of vpnc under the terms of the GNU General
Public License. For more information about these matters, see the files
named COPYING.
Built with certificate support.

Supported DH-Groups: nopfs dh1 dh2 dh5
Supported Hash-Methods: md5 sha1
Supported Encryptions: null des 3des aes128 aes192 aes256
Supported Auth-Methods: psk psk+xauth hybrid(rsa)

And the configuration is the same for both:
IPSec gateway XXX.XXX.XXX.XXX
IPSec ID XXXX
IPSec secret XXXX
Xauth username XXXX\XXXX
Xauth password XXXX
DPD idle timeout (our side) 0
Debug 2
No Detach
Script /etc/vpnc/custom-script

The custom script sets up routes before calling /etc/vpnc/vpnc-script and is again the same on both. I can post this if required.

Does anyone have any ideas? Is there any further information I can provide to help with this or is there anything I can try to diagnose it?

Cheers,
Dave.
_______________________________________________
vpnc-devel mailing list
vpnc-devel@unix-ag.uni-kl.de
https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
http://www.unix-ag.uni-kl.de/~massar/vpnc/

Re: VPNC hang [ In reply to ]

jpprade at gmail

Feb 7, 2013, 6:06 AM

Post #2 of 10 (5063 views)

Permalink

Hello

The issue : "The connection works for about an hour" looks like mine. I
tried to ask for help here (see December archive) but it looks like this
project is stoped (if not dead)

I tried to open a bug here also :
https://bugzilla.redhat.com/show_bug.cgi?id=906737

it is weird that is works from your ec2 and not your home moreover if it is
the same OS an architecture....

in my case I use fedora, and connecting from home or work to the data
center hangs after 1 hour. But on windows it doesn't hang.

from what I understand reading the tunip.c and your log message is :

this log :

lifetime status: 3391 of 3600 select: Interrupted system call

tells me that the vaiable "presult" which should be 0 become -1

this one :
terminated by signal: 15

tells me that a process send a "SIGTERM" signal which is a normal
termination signal

So maybe there is something in the os that terminate the vpnc ? I am a java
developer and not an expert in C or network or system call so I am just
making guesses...

By the way how do you get these log ? I would like to check if I have the
same kind of exit message

2013/2/7 Dave Oxley <dave@daveoxley.co.uk>

> Hi,
>
> I have VPNC set up and connected between my home and work. The connection
> works for about an hour and then VPNC appears to hang and has to be
> restarted. I setup the same connection on an EC2 micro instance with the
> same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC
> is installed on a 6 core Xeon server. I was therefore thinking it could be
> a race condition but I'm only guessing.
>
> Here's a log from the server that shows the hang:
> http://pastebin.com/2v49FLxw. Notice that the 'lifetime status' messages
> stop at 3819 and then one more is output before the shutdown is processed.
> The 'Interrupted system call' appears earlier but I think this is just
> because the log output is buffered. Also the 'lifetime status' messages
> appear to slow down before the hang.
>
> And here's a log from the micro EC2 instance at around the same hour mark
> without a hang: http://pastebin.com/QHTnrswd. The 'lifetime status'
> messages never slow down and new lifetime parameters are processed which I
> assume is what should happen in the other environment as well.
>
> Both VPNC's report their versions the same:
> ubuntu@ip-10-0-1-214:~$ vpnc --version
> vpnc version 0.5.3r512
> Copyright (C) 2002-2006 Geoffrey Keating, Maurice Massar, others
> vpnc comes with NO WARRANTY, to the extent permitted by law.
> You may redistribute copies of vpnc under the terms of the GNU General
> Public License. For more information about these matters, see the files
> named COPYING.
> Built with certificate support.
>
> Supported DH-Groups: nopfs dh1 dh2 dh5
> Supported Hash-Methods: md5 sha1
> Supported Encryptions: null des 3des aes128 aes192 aes256
> Supported Auth-Methods: psk psk+xauth hybrid(rsa)
>
> And the configuration is the same for both:
> IPSec gateway XXX.XXX.XXX.XXX
> IPSec ID XXXX
> IPSec secret XXXX
> Xauth username XXXX\XXXX
> Xauth password XXXX
> DPD idle timeout (our side) 0
> Debug 2
> No Detach
> Script /etc/vpnc/custom-script
>
> The custom script sets up routes before calling /etc/vpnc/vpnc-script and
> is again the same on both. I can post this if required.
>
> Does anyone have any ideas? Is there any further information I can provide
> to help with this or is there anything I can try to diagnose it?
>
> Cheers,
> Dave.
> _______________________________________________
> vpnc-devel mailing list
> vpnc-devel@unix-ag.uni-kl.de
> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
> http://www.unix-ag.uni-kl.de/~massar/vpnc/
>

Re: VPNC hang [ In reply to ]

mmokrejs at fold

Feb 7, 2013, 6:57 AM

Post #3 of 10 (5070 views)

Permalink

Hi,
I have also problems with connection being dropped after one hour (actually
after about 58minutes). For me the issue always existed, last time I tried 0.5.3_p514.

I fear the patch mentioned here is still in the tree, and, in any way, my issue
diagnosed in the thread is anyway a bit different.
http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624

I don't have much to add, I am just a user but maybe it helps you a bit.
Martin

Dave Oxley wrote:
> Hi,
>
> I have VPNC set up and connected between my home and work. The connection works for about an hour and then VPNC appears to hang and has to be restarted. I setup the same connection on an EC2 micro instance with the same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC is installed on a 6 core Xeon server. I was therefore thinking it could be a race condition but I'm only guessing.
>
> Here's a log from the server that shows the hang: http://pastebin.com/2v49FLxw. Notice that the 'lifetime status' messages stop at 3819 and then one more is output before the shutdown is processed. The 'Interrupted system call' appears earlier but I think this is just because the log output is buffered. Also the 'lifetime status' messages appear to slow down before the hang.
>
> And here's a log from the micro EC2 instance at around the same hour mark without a hang: http://pastebin.com/QHTnrswd. The 'lifetime status' messages never slow down and new lifetime parameters are processed which I assume is what should happen in the other environment as well.
>
> Both VPNC's report their versions the same:
> ubuntu@ip-10-0-1-214:~$ vpnc --version
> vpnc version 0.5.3r512
> Copyright (C) 2002-2006 Geoffrey Keating, Maurice Massar, others
> vpnc comes with NO WARRANTY, to the extent permitted by law.
> You may redistribute copies of vpnc under the terms of the GNU General
> Public License. For more information about these matters, see the files
> named COPYING.
> Built with certificate support.
>
> Supported DH-Groups: nopfs dh1 dh2 dh5
> Supported Hash-Methods: md5 sha1
> Supported Encryptions: null des 3des aes128 aes192 aes256
> Supported Auth-Methods: psk psk+xauth hybrid(rsa)
>
> And the configuration is the same for both:
> IPSec gateway XXX.XXX.XXX.XXX
> IPSec ID XXXX
> IPSec secret XXXX
> Xauth username XXXX\XXXX
> Xauth password XXXX
> DPD idle timeout (our side) 0
> Debug 2
> No Detach
> Script /etc/vpnc/custom-script
>
> The custom script sets up routes before calling /etc/vpnc/vpnc-script and is again the same on both. I can post this if required.
>
> Does anyone have any ideas? Is there any further information I can provide to help with this or is there anything I can try to diagnose it?
>
> Cheers,
> Dave.
> _______________________________________________
> vpnc-devel mailing list
> vpnc-devel@unix-ag.uni-kl.de
> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
> http://www.unix-ag.uni-kl.de/~massar/vpnc/
>
>
_______________________________________________
vpnc-devel mailing list
vpnc-devel@unix-ag.uni-kl.de
https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
http://www.unix-ag.uni-kl.de/~massar/vpnc/

Re: VPNC hang [ In reply to ]

mmokrejs at fold

Feb 7, 2013, 7:40 AM

Post #4 of 10 (5058 views)

Permalink

Martin Mokrejs wrote:
> Hi,
> I have also problems with connection being dropped after one hour (actually
> after about 58minutes). For me the issue always existed, last time I tried 0.5.3_p514.
>
> I fear the patch mentioned here is still in the tree, and, in any way, my issue

^ NOT in the tree ... (grr)

> diagnosed in the thread is anyway a bit different.
> http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624
>
> I don't have much to add, I am just a user but maybe it helps you a bit.
> Martin
>
> Dave Oxley wrote:
>> Hi,
>>
>> I have VPNC set up and connected between my home and work. The connection works for about an hour and then VPNC appears to hang and has to be restarted. I setup the same connection on an EC2 micro instance with the same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC is installed on a 6 core Xeon server. I was therefore thinking it could be a race condition but I'm only guessing.
_______________________________________________
vpnc-devel mailing list
vpnc-devel@unix-ag.uni-kl.de
https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
http://www.unix-ag.uni-kl.de/~massar/vpnc/

Re: VPNC hang [ In reply to ]

mkienenb at gmail

Feb 7, 2013, 7:52 AM

Post #5 of 10 (5058 views)

Permalink

I used to get dropped all the time, at odd intervals, so I don't know
if this is the same problem.

However, I haven't had this issue for awhile. I suspect the version
of vpnc distributed with OpenSUSE 12.2 has fixed the problem.

A google search turns up the source and binary url here:

http://rpmfind.net//linux/RPM/opensuse/12.2/x86_64/vpnc-0.5.3r512-2.1.2.x86_64.html

On Thu, Feb 7, 2013 at 10:40 AM, Martin Mokrejs
<mmokrejs@fold.natur.cuni.cz> wrote:
> Martin Mokrejs wrote:
>> Hi,
>> I have also problems with connection being dropped after one hour (actually
>> after about 58minutes). For me the issue always existed, last time I tried 0.5.3_p514.
>>
>> I fear the patch mentioned here is still in the tree, and, in any way, my issue
>
> ^ NOT in the tree ... (grr)
>
>> diagnosed in the thread is anyway a bit different.
>> http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624
>>
>> I don't have much to add, I am just a user but maybe it helps you a bit.
>> Martin
>>
>> Dave Oxley wrote:
>>> Hi,
>>>
>>> I have VPNC set up and connected between my home and work. The connection works for about an hour and then VPNC appears to hang and has to be restarted. I setup the same connection on an EC2 micro instance with the same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC is installed on a 6 core Xeon server. I was therefore thinking it could be a race condition but I'm only guessing.
> _______________________________________________
> vpnc-devel mailing list
> vpnc-devel@unix-ag.uni-kl.de
> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
> http://www.unix-ag.uni-kl.de/~massar/vpnc/
_______________________________________________
vpnc-devel mailing list
vpnc-devel@unix-ag.uni-kl.de
https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
http://www.unix-ag.uni-kl.de/~massar/vpnc/

Re: VPNC hang [ In reply to ]

jpprade at gmail

Feb 7, 2013, 11:59 AM

Post #6 of 10 (5056 views)

Permalink

It seems that this package is build from the nortel branche. I already
tried to build and install an updated version based of the last version of
the trunk and the issue was still present. Now I am trying to build it from
this branch I'll tell you if it works better.

2013/2/7 Mike Kienenberger <mkienenb@gmail.com>

> I used to get dropped all the time, at odd intervals, so I don't know
> if this is the same problem.
>
> However, I haven't had this issue for awhile. I suspect the version
> of vpnc distributed with OpenSUSE 12.2 has fixed the problem.
>
> A google search turns up the source and binary url here:
>
>
> http://rpmfind.net//linux/RPM/opensuse/12.2/x86_64/vpnc-0.5.3r512-2.1.2.x86_64.html
>
>
> On Thu, Feb 7, 2013 at 10:40 AM, Martin Mokrejs
> <mmokrejs@fold.natur.cuni.cz> wrote:
> > Martin Mokrejs wrote:
> >> Hi,
> >> I have also problems with connection being dropped after one hour
> (actually
> >> after about 58minutes). For me the issue always existed, last time I
> tried 0.5.3_p514.
> >>
> >> I fear the patch mentioned here is still in the tree, and, in any
> way, my issue
> >
> > ^ NOT in the tree ... (grr)
> >
> >> diagnosed in the thread is anyway a bit different.
> >>
> http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624
> >>
> >> I don't have much to add, I am just a user but maybe it helps you a
> bit.
> >> Martin
> >>
> >> Dave Oxley wrote:
> >>> Hi,
> >>>
> >>> I have VPNC set up and connected between my home and work. The
> connection works for about an hour and then VPNC appears to hang and has to
> be restarted. I setup the same connection on an EC2 micro instance with the
> same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC
> is installed on a 6 core Xeon server. I was therefore thinking it could be
> a race condition but I'm only guessing.
> > _______________________________________________
> > vpnc-devel mailing list
> > vpnc-devel@unix-ag.uni-kl.de
> > https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
> > http://www.unix-ag.uni-kl.de/~massar/vpnc/
> _______________________________________________
> vpnc-devel mailing list
> vpnc-devel@unix-ag.uni-kl.de
> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
> http://www.unix-ag.uni-kl.de/~massar/vpnc/
>

Re: VPNC hang [ In reply to ]

jpprade at gmail

Feb 7, 2013, 12:12 PM

Post #7 of 10 (5055 views)

Permalink

I compiled and installed the nortel branch. So far it connects and works
normally, let see in one hour...

2013/2/7 Jean-Philippe Prade <jpprade@gmail.com>

> It seems that this package is build from the nortel branche. I already
> tried to build and install an updated version based of the last version of
> the trunk and the issue was still present. Now I am trying to build it from
> this branch I'll tell you if it works better.
>
>
> 2013/2/7 Mike Kienenberger <mkienenb@gmail.com>
>
>> I used to get dropped all the time, at odd intervals, so I don't know
>> if this is the same problem.
>>
>> However, I haven't had this issue for awhile. I suspect the version
>> of vpnc distributed with OpenSUSE 12.2 has fixed the problem.
>>
>> A google search turns up the source and binary url here:
>>
>>
>> http://rpmfind.net//linux/RPM/opensuse/12.2/x86_64/vpnc-0.5.3r512-2.1.2.x86_64.html
>>
>>
>> On Thu, Feb 7, 2013 at 10:40 AM, Martin Mokrejs
>> <mmokrejs@fold.natur.cuni.cz> wrote:
>> > Martin Mokrejs wrote:
>> >> Hi,
>> >> I have also problems with connection being dropped after one hour
>> (actually
>> >> after about 58minutes). For me the issue always existed, last time I
>> tried 0.5.3_p514.
>> >>
>> >> I fear the patch mentioned here is still in the tree, and, in any
>> way, my issue
>> >
>> > ^ NOT in the tree ... (grr)
>> >
>> >> diagnosed in the thread is anyway a bit different.
>> >>
>> http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624
>> >>
>> >> I don't have much to add, I am just a user but maybe it helps you a
>> bit.
>> >> Martin
>> >>
>> >> Dave Oxley wrote:
>> >>> Hi,
>> >>>
>> >>> I have VPNC set up and connected between my home and work. The
>> connection works for about an hour and then VPNC appears to hang and has to
>> be restarted. I setup the same connection on an EC2 micro instance with the
>> same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC
>> is installed on a 6 core Xeon server. I was therefore thinking it could be
>> a race condition but I'm only guessing.
>> > _______________________________________________
>> > vpnc-devel mailing list
>> > vpnc-devel@unix-ag.uni-kl.de
>> > https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
>> > http://www.unix-ag.uni-kl.de/~massar/vpnc/
>> _______________________________________________
>> vpnc-devel mailing list
>> vpnc-devel@unix-ag.uni-kl.de
>> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
>> http://www.unix-ag.uni-kl.de/~massar/vpnc/
>>
>
>

Re: VPNC hang [ In reply to ]

jpprade at gmail

Feb 7, 2013, 1:12 PM

Post #8 of 10 (5057 views)

Permalink

same error, disconnection again....

2013/2/7 Jean-Philippe Prade <jpprade@gmail.com>

> I compiled and installed the nortel branch. So far it connects and works
> normally, let see in one hour...
>
>
> 2013/2/7 Jean-Philippe Prade <jpprade@gmail.com>
>
>> It seems that this package is build from the nortel branche. I already
>> tried to build and install an updated version based of the last version of
>> the trunk and the issue was still present. Now I am trying to build it from
>> this branch I'll tell you if it works better.
>>
>>
>> 2013/2/7 Mike Kienenberger <mkienenb@gmail.com>
>>
>>> I used to get dropped all the time, at odd intervals, so I don't know
>>> if this is the same problem.
>>>
>>> However, I haven't had this issue for awhile. I suspect the version
>>> of vpnc distributed with OpenSUSE 12.2 has fixed the problem.
>>>
>>> A google search turns up the source and binary url here:
>>>
>>>
>>> http://rpmfind.net//linux/RPM/opensuse/12.2/x86_64/vpnc-0.5.3r512-2.1.2.x86_64.html
>>>
>>>
>>> On Thu, Feb 7, 2013 at 10:40 AM, Martin Mokrejs
>>> <mmokrejs@fold.natur.cuni.cz> wrote:
>>> > Martin Mokrejs wrote:
>>> >> Hi,
>>> >> I have also problems with connection being dropped after one hour
>>> (actually
>>> >> after about 58minutes). For me the issue always existed, last time I
>>> tried 0.5.3_p514.
>>> >>
>>> >> I fear the patch mentioned here is still in the tree, and, in any
>>> way, my issue
>>> >
>>> > ^ NOT in the tree ...
>>> (grr)
>>> >
>>> >> diagnosed in the thread is anyway a bit different.
>>> >>
>>> http://www.gossamer-threads.com/lists/vpnc/devel/3624?do=post_view_threaded#3624
>>> >>
>>> >> I don't have much to add, I am just a user but maybe it helps you a
>>> bit.
>>> >> Martin
>>> >>
>>> >> Dave Oxley wrote:
>>> >>> Hi,
>>> >>>
>>> >>> I have VPNC set up and connected between my home and work. The
>>> connection works for about an hour and then VPNC appears to hang and has to
>>> be restarted. I setup the same connection on an EC2 micro instance with the
>>> same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC
>>> is installed on a 6 core Xeon server. I was therefore thinking it could be
>>> a race condition but I'm only guessing.
>>> > _______________________________________________
>>> > vpnc-devel mailing list
>>> > vpnc-devel@unix-ag.uni-kl.de
>>> > https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
>>> > http://www.unix-ag.uni-kl.de/~massar/vpnc/
>>> _______________________________________________
>>> vpnc-devel mailing list
>>> vpnc-devel@unix-ag.uni-kl.de
>>> https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
>>> http://www.unix-ag.uni-kl.de/~massar/vpnc/
>>>
>>
>>
>

Re: VPNC hang [ In reply to ]

dave at daveoxley

Feb 7, 2013, 2:25 PM

Post #9 of 10 (5071 views)

Permalink

On Thu, 7 Feb 2013 03:06:53 PM Jean-Philippe Prade wrote:
> Hello

Hi

> The issue : "The connection works for about an hour" looks like mine. I
> tried to ask for help here (see December archive) but it looks like this
> project is stoped (if not dead)
>
> I tried to open a bug here also :
> https://bugzilla.redhat.com/show_bug.cgi?id=906737

You're getting 'connection terminated by peer' which I do not see so I'm not sure it's the same issue.

> this one :
> terminated by signal: 15
>
> tells me that a process send a "SIGTERM" signal which is a normal
> termination signal

Yes, this is me shutting it down after it's hung. The log is buffered so it waits for a number of log lines before they get written to the log. I believe the 'Interrupted system call' is just out of order as it's output it immediately and then the log is flushed.

> By the way how do you get these log ? I would like to check if I have the
> same kind of exit message

I start vpnc like this:
vpnc-connect ${c} >> /var/log/vpnc/vpnc.log 2>&1 &
and have the following in the conf file:
Debug 2
No Detach

Cheers,
Dave.
_______________________________________________
vpnc-devel mailing list
vpnc-devel@unix-ag.uni-kl.de
https://lists.unix-ag.uni-kl.de/mailman/listinfo/vpnc-devel
http://www.unix-ag.uni-kl.de/~massar/vpnc/

Re: VPNC hang [ In reply to ]

dave at daveoxley

Feb 7, 2013, 6:39 PM

Post #10 of 10 (5056 views)

Permalink

Hi all,

I've actually resolved this now. The issue appears to have been my firewall. I spotted that there were attempted connections from the gateway that were being dropped by my firewall. So, I've opened up port 500 udp from the gateway and the connection now doesn't hang after an hour. What I don't understand is why it doesn't come through as related traffic and why this only started happening a few weeks ago when my company changed hosting providers and set up a new gateway. I had no such issues on the previous gateway. Either way maybe this may help others having a similar issue.

Thanks to all those that replied :)

Cheers,
Dave.

On Thu, 7 Feb 2013 02:40:23 PM Dave Oxley wrote:
> Hi,
>
> I have VPNC set up and connected between my home and work. The connection works for about an hour and then VPNC appears to hang and has to be restarted. I setup the same connection on an EC2 micro instance with the same OS (Ubuntu 12.10) but the problem doesn't occur on this. At home VPNC is installed on a 6 core Xeon server. I was therefore thinking it could be a race condition but I'm only guessing.
>
> Here's a log from the server that shows the hang: http://pastebin.com/2v49FLxw. Notice that the 'lifetime status' messages stop at 3819 and then one more is output before the shutdown is processed. The 'Interrupted system call' appears earlier but I think this is just because the log output is buffered. Also the 'lifetime status' messages appear to slow down before the hang.
>
> And here's a log from the micro EC2 instance at around the same hour mark without a hang: http://pastebin.com/QHTnrswd. The 'lifetime status' messages never slow down and new lifetime parameters are processed which I assume is what should happen in the other environment as well.
>
> Both VPNC's report their versions the same:
> ubuntu@ip-10-0-1-214:~$ vpnc --version
> vpnc version 0.5.3r512
> Copyright (C) 2002-2006 Geoffrey Keating, Maurice Massar, others
> vpnc comes with NO WARRANTY, to the extent permitted by law.
> You may redistribute copies of vpnc under the terms of the GNU General
> Public License. For more information about these matters, see the files
> named COPYING.
> Built with certificate support.
>
> Supported DH-Groups: nopfs dh1 dh2 dh5
> Supported Hash-Methods: md5 sha1
> Supported Encryptions: null des 3des aes128 aes192 aes256
> Supported Auth-Methods: psk psk+xauth hybrid(rsa)
>
> And the configuration is the same for both:
> IPSec gateway XXX.XXX.XXX.XXX
> IPSec ID XXXX
> IPSec secret XXXX
> Xauth username XXXX\XXXX
> Xauth password XXXX
> DPD idle timeout (our side) 0
> Debug 2
> No Detach
> Script /etc/vpnc/custom-script
>
> The custom script sets up routes before calling /etc/vpnc/vpnc-script and is again the same on both. I can post this if required.
>
> Does anyone have any ideas? Is there any further information I can provide to help with this or is there anything I can try to diagnose it?
>
> Cheers,
> Dave.
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