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Newsgroups: mail-lists.delegate-en

[DeleGate-En] Re: unusual application for delegated
05 Aug 2008 19:39:32 GMT Joe in MPLS <>


Thanks for the reply.

Do the "internal representations of ports" consume resources even if 
they ports aren't used? Unfortunately the server ports aren't assigned 
sequentially in contiguous ranges. If I configured delegate using port 
ranges there would be many ports included in the ranges that wouldn't 
actually get used.

How high could I go when redefining the "PORTSSIZE" value defined in 
include/dglib.h? The server(s) that I would use would be dedicated to 
running delegate for this application.

Might running delegate as an SSL VPN endpoint be a better way to do this?


Yutaka Sato wrote:
> Hi,
> In message <_A4050@delegate-en.ML_> on 08/06/08(03:08:08)
> you Joe in MPLS <> wrote:
>  |TCP port open for EACH of our retail stores. In other words, every store 
>  |has a destination port on the server specially designated and configured 
>  |for that particular store. There are over 300 stores.
>  |
>  |I could probably configure an individual port on the delegate box for 
>  |each store, but I'm wondering if there might be a better way to do this. 
>  |Is there a way that this could be done more transparently? E.G. if I 
>  |were to route the traffic to the delegate box and it could decrypt it 
>  |and forward it to the credit host on the same destination port? If this 
>  |is not possible, how many ports could I realistically proxy on a single 
>  |box running delegated? The transactions are very small, typically a 5 
>  |packet exchange. The TCP connections are persistent. Once a client sets 
>  |up a TCP connection it stays up for days, weeks, or even months. Usually 
>  |until a network or power outage occurs somewhere along the path.
> It can be configured as follows (for port number 2001 to 2050):
>   delegated STLS=fcl TIMEOUT=io:0 -P2001-2050 SERVER=tcprelay://host:-
> Due to the size of the buffer for internal representation of ports, 
> upto about 70 ports can be specified at maximum.  You can expand it
> by enlarging the "PORTSSIZE" value defined in include/dglib.h.
> Cheers,
> Yutaka
> --
>   9 9   Yutaka Sato <>
>  ( ~ )  National Institute of Advanced Industrial Science and Technology
> _<   >_ 1-1-4 Umezono, Tsukuba, Ibaraki, 305-8568 Japan
> Do the more with the less -- B. Fuller

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