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List:       ipfilter
Subject:    Re: adding payload examination to ipfilter/ipfw
From:       ArkanoiD <ark () paranoid ! convey ! ru>
Date:       1997-09-08 9:03:20
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nuqneH,

> 
> Realaudio I think is another such protocol, at first the client sends out
> a service request TCP port 7070 to Realaudio Server, well this is easy to
> open on a firewall. The server will start sending the data on UDP ports
> 6970-7170. Well this is only 200 ports and we could open all of them up,
> but it still does not seem right. So what we could do is for each outgoing

Realaudio works with IPFilter good enough in tcp-only mode. 
The thing i really need is irc's dcc. BTW linux ip masquerading
already does have a plug-in module to handle it.


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