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List:       ipfilter
Subject:    how to set tos value of SYN-ACK packet?
From:       "Yao, Zhigang\(Richard\)" <yaozg () lucent ! com>
Date:       2004-01-14 2:44:46
Message-ID: 007f01c3da48$5f540c30$301ffc87 () ci3015 ! qd ! lucent ! com
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hi,

I want to do the following thing:
1) Check the tos value of SYN packet to xxx port.
2) Set the tos value of 1) to SYN-ACK packet which responses to 1)

For example:
"pass in tos 5 proto tcp from any port = 1720 to xxx.xxx.xxx.xxx flags S" is
a rule for 1).

Can ipfilter do that thing?
If it can not do that, is it possible that I modify the source code to
implement that?

Thanks,
Richard

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