Why not an afterhour escalation... instead..
Say every 10 minutes.. to do table queries or a report or two..
from 1800 - 0712 or something...


On 9/19/07, Axton <[EMAIL PROTECTED]> wrote:
>
> "Actually, now that I re-read your post I don't think putting a
> specific rule will side-step state checking."
>
> Depends on your firewall and the rule.  Typically, states are created
> using only SYN packets, if state can be created on other packet types,
> you are still using stateful packet inspection, you are just allowing
> different packet types to add the session to the state table.
>
> "We talked to BMC a few weeks ago and they told us "theoretically"
> that it would be possible to write a custom API that would run custom
> workflow (neither of which they could give us) that would hit all of
> the server's Oracle connections at the same time often enough to
> prevent anything from seeing them as idle."
>
> I was thinking this as I was reading your email, though I am not sure
> how you would hit the admin and every fast/list/custom queue's threads
> without occupying all of them simultaneously.  The api, to my
> knowledge, does not give you the capability to control what thread you
> are using, which means that your api will have to be multi-threaded
> and will have to occupy the max number of configured threads per rpc
> queue, which will cause your remedy server to appear to hang (i.e.,
> block other operations on those queues).
>
> Can you share what type of firewall you are using?
>
> If you really want to remove the firewall from the equation, remove it
> from the network, or completely disable it.  I can't see that vlan
> tagging would cause any issues with this.  vlan's are configured in
> one of two way's, on the switch per port or the tagging is handled by
> the end nodes.  If it is on the switch, it will be transparent to the
> client.
>
> Axton Grams
>
> On 9/19/07, J.T. Shyman <[EMAIL PROTECTED]> wrote:
> > **
> >
> >
> >
> > Axton,
> >
> >
> >
> >      Appreciate your input!
> >
> >
> >
> >      I should have mentioned that we've been up and down that highway
> and
> >
> > haven't seen a blasted thing. (apologies to Glen Frey)
> >
> >
> >
> >      What you are saying is exactly what I thought and we've disabled
> the
> >
> > idle timeout on the firewall. I know this may not be the same thing as
> >
> > preventing the firewall from using a state table but the firewall admin
> >
> > tells us he now sees idle connections with idle times > 60 minutes. So,
> >
> > we're kind of thinking we've eliminated the firewall as a
> >
> > cause...although we may not have, we aren't pursuing that any longer.
> >
> >
> >
> >      Actually, now that I re-read your post I don't think putting a
> >
> > specific rule will side-step state checking. The purpose of a state
> table
> >
> > on a firewall is to speed up handling of traffic by allowing already
> known
> >
> > good traffic to pass without undergoing validation against the rulebase
> >
> > for every packet. Adding a rule that allows a single port connection,
> >
> > which is what we had before, doesn't stop the state table from
> >
> > functioning. In fact, it may actually be what causes the connection to
> be
> >
> > put in the state table in the first place, no? Also, turning the
> firewall
> >
> > into, effectively, a packet-based firewall might have a detrimental
> affect
> >
> > on network throughput not only between AR and Oracle but for any other
> >
> > connections on that firewall due to increased overhead...or am I wrong?
> >
> >
> >
> >      Additionally, we the firewall admin put in ANY<->ANY rule in place
> a
> >
> > few nights ago and the problem is still occurring. I'd hoped that this
> >
> > would circumvent the state table but it apparently doesn't.
> >
> >
> >
> >      I don't suppose there is a AR-based solution? We could keep trying
> >
> > changes on the network until we effectively distroy any semblance of the
> >
> > original network design but that wouldn't mollify anyone. In fact, it
> may
> >
> > have the opposite affect.
> >
> >
> >
> >      We talked to BMC a few weeks ago and they told us "theoretically"
> >
> > that it would be possible to write a custom API that would run custom
> >
> > workflow (neither of which they could give us) that would hit all of the
> >
> > server's Oracle connections at the same time often enough to prevent
> >
> > anything from seeing them as idle. Does this sound like a good approach
> to
> >
> > anyone? Any and all thoughts and comments are welcome!
> >
> >
> >
> > Thanks!
> >
> >
> >
> > J.T.
> >
> >
> >
> >   __20060125_______________________This posting was
> > submitted with HTML in it___
>
>
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-- 
Patrick Zandi

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