Robert Spangler on 23 Dec 2008 19:03:48 -0800

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Re: [PLUG] regulating network traffic

On Tuesday 23 December 2008 13:47, wrote:

>>  In terms of a router user interface, what exactly is meant by "outgoing 
>>  port".    For example, if I run an http application on my machine, it may
>>  go into my router at port 1024, go out of the router at port 1030, and
>>  head for the destination machine (web server) to port 80.  Is the outgoing
>>  port (in terms of a router manual or the router's GUI user interface)
>>  1024, 1030, or 80      
>  It doesn't matter...most applications use "random"
>  high-numbered (above 1024) ports for outgoing connections. You can
> configure some programs to use fixed outgoing ports (in which case, you'd
> know what they are).

Not sure how you configure your firewall/routes but outgoing port is the 
Destination port.  Theses are not random. The only port that should be random 
is the Source Port.

You should be basing your Firewall/QOS service on the Destination Ports not 
the Source Ports.



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