From: Catalin BOIE <util@deuroconsult.ro>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] how can i filter for a range of ports?
Date: Mon, 14 Apr 2003 10:19:49 +0000 [thread overview]
Message-ID: <marc-lartc-105031563523434@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105031449822405@msgid-missing>
On Mon, 14 Apr 2003, Adam Schrader wrote:
> how can i filter for a range of ports? I have seen people use 1024:32000
> when saying from port 1024 to 32000 but tc doesnt accept this? can
> somebody tell me how i can do this? -thanks
You cannot easyly do this, but there is a solution:
You can use a mask != 0xffff for ports.
Very probably you must use several lines to cover whole range.
So, as an example, for 1024 -> 1279 (1024 + 256 - 1) you can use
match tcp sport 1024 0xff00.
For 4096 -> 65535 you can use:
match tcp sport 4096 0xf000
I think you get the idea.
Or you can just use marking.
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---
Catalin(ux) BOIE
catab@deuroconsult.ro
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next prev parent reply other threads:[~2003-04-14 10:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-14 10:00 [LARTC] how can i filter for a range of ports? Adam Schrader
2003-04-14 10:19 ` Catalin BOIE [this message]
2003-04-16 11:14 ` Mattias Ahnberg
2003-04-16 16:41 ` Stef Coene
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