[virt-tools-list] VirtViewer and TCP Keepalives

[Colin Coe]

Yep. That's the session timeout count down on the firewall.

CC

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Sent from my Galaxy Nexus
On 20 Sep 2013 16:33, "Christophe Fergeau" <cfergeau at redhat.com> wrote:

> On Wed, Sep 18, 2013 at 06:54:14AM +0800, Colin Coe wrote:
> > OK, I'm confused.  Why don't I see the keep alives in the wireshark dump?
> > I'm happy to upload my pcap file to dropbox.redhat.com for analysis
> >
> > Apologies for harping on about this but the users are getting annoyed
> with
> > their sessions freezing or terminating.  Also, we've confirmed that the
> > exact timing is 30 minutes not 15 minutes
> >
> > I had a fairly long and productive chat with one of the guys that manage
> > the other firewall cluster.  I gave him the src and dst addresses and dst
> > port and he was able to advise on the session state on the firewall.  If
> I
> > opened a spice session to a RHEL server (no X) and minimised it, all 4
> > sessions on the 'odd' port started counting down from 1800.
>
> What is that counter? Is it the firewall keeping track of keep alive
> packets, and dropping the connection when this second-based counter drops
> to 0?
>
> Christophe
>
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