On Sun, 2015-04-05 at 16:53 +0200, Andrea Dell'Amico wrote:
> > On 05 Apr 2015, at 14:35, Gregory P. Ennis <PoMec@xxxxxxxxx> wrote:
> > I sure need some help on this one, if any of you have ideas of what to
> > do next I would surely appreciate it. An additional aspect of this
> > scenario is that when I have used ssh to connect to this mail server via
> > the internal network, I am able to ssh out of the machine to one of the
> > internal networks or remotely to a different network. If no one else
> > has had this problem with 7.1 then it is obviously something I have
> > done, but right now I am at a loss.
>
> Assuming that the mail server’s routing table is correct, you will need some tcpdump to understand if the packets from outside reach the server (and then it discards them).
>
> I would do this:
> 1. Ensure that the mail server still has a valid default gateway and a correct routing table
> 2. start tcpdump on the gateway
> 3. start tcpdump on the mail server
> 4 Try to connect to the mail server from outside.
>
> > Greg
>
> Ciao,
> Andrea (just upgraded some servers, no problems)
>
> --
> Andrea Dell'Amico
> http://adellam.sevenseas.org/
>
>
Andrea,
Thank you very much, I have always wanted to learn how to use that tool.
Looks like I have a good opportunity. Thanks for giving me the
framework as to how to use it.
Greg
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