That is a different keep-alive. I'm specifically talking about the keep-alive packet that we get via upnp multicast. Whenever we receive one from the gateway we republish the nat mappings to.. um... keep them alive. :) On Tue, Feb 9, 2010 at 8:52 AM, Kim Culhan <w8hdkim@gmail.com> wrote:
On Mon, February 8, 2010 11:21 pm, Troy Anderson wrote:
I have been using pfSense (1.2.3) and FS. FS nicely uses UPnP to poke holes in the firewall, but it seems that the holes close after a while. I cannot find any documentation in FS nor in pfSense as to what the timeout is. Is there a setting in FS to do some kind of keep-alive thing with UPnP to keep, e.g. 5060, open? Or is it already doing that and pfSense is the issue?
FS has provisions for keep-alive, see the bottom of the page for ping time value:
http://wiki.freeswitch.org/wiki/SIP_Provider_Examples
To watch the pf firewall hole timing you can install pftop from FreeBSD ports/sysutils which displays the filter states 'and more'.
-kim
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-- -Rupa