RE: Router filtering

i am not entirely sure about the ports and how they are used as I have not attempted such things. However some of the active state firewalls, Cisco PIX and Checkpoint fit into these, I believe do active filtering and will open ports at random by looking at the actual traffic. I believe that it is to solve these exact issues. It looks at whether it is a reply to a request from previous traffic as I understand it. The problem with these products is that they aren't cheap.

HTH Peter

At 07:50 PM 1/06/2001 -0800, you wrote:
> KK - you probably got something on this already, but if
>you're on NT (making appropriate gagging or adulatory noises)
>then there is a way to have the listener use the same port
>to listen and maintain connections.
>
>I gather it's deprecated, since a listener bounce snaps
>the connections.
>
>But, f*ck it, it's NT. It's not like you'll be keeping those
>connections up for seven years straight or anything.
>
>-----Original Message-----
>To: Multiple recipients of list ORACLE-L
>Sent: 6/1/2001 3:55 PM
>
>i went through this same issue recently. Unfortunatley my only option
>was
>to open up all ports to the specific db server to specific IP's. I
>don't
>like doing it, but I had to. If you look on Metaslop there is some
>information on this problem. There are fixes for some routers, check
>and
>see if yours is one of them.
>
>-----Original Message-----
>Turner
>Sent: Friday, June 01, 2001 3:11 PM
>To: Multiple recipients of list ORACLE-L
>
>
>Anyone have any recommendations on getting sqlplus connections to a
>database
>running
>MTS which has a router in between that is filtering except on port 1521?
>I
>can open
>up additional ports but opening a whole slew of them for MTS's random
>port
>allocation
>has put the network guys in shock.
>
>We have set SERVER=DEDICATED in tnsnames to get connections thru for now
>and
>I'm looking
>at CMAN for a permanent fix, but does anyone else think they have a
>better
>way?
>
>Thanks, Dave Turner
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Author: Peter McLarty
  INET: peter.mclarty_at_incts.com

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