tech-net: Capturing/Modifying TCP packets when used as a router.

Subject: Capturing/Modifying TCP packets when used as a router.
To: None <tech-net@netbsd.org>
From: Hemant Puri <hemant@neoscale.com>
List: tech-net
Date: 11/27/2001 15:10:15

Hi,

  Am new to NetBSD.

I want to use NetBSD as a router and want to capture/modify the TCP
packets going out. (Something like a firewall functionality with the
additional ability to modify packets).

Any pointers on how it can be done would be appreciated.

Thanks
Hemant