ip_filter injection question
ip_filter injection question
- Subject: ip_filter injection question
- From: Ron Anderson <email@hidden>
- Date: Thu, 14 Sep 2006 17:28:28 -0400
I'm using an IP Filter to re-direct some TCP packets (in/out) to a
proxy host.
So, outgoing packets are modified to go to a new destination address
and port (with the necessary checksum fix). I'm using the inject
method to send the modified packet.
Incoming packets (from the proxy host) are matched with the original
outgoing packet (by SEQ/ACK); whereby the packet is fixed to have the
source address and port be the original destination address and
port. I'm using the inject method to send the modified packet.
The incoming SYN/ACK packet is not making its way back to the
original socket. "netstat -s" is not listing any dropped packets due
to checksums. But, those incoming packets do seem to be dropped
before making there way back to the socket.
Does anyone know if what I'm trying to do should/can work?
Ron Anderson
email@hidden
AOL LLC
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