On Oct 18, 2016, at 6:49 AM, Samira Nazari 
<nazari....@gmail.com<mailto:nazari....@gmail.com>> wrote:

Hello every one,

When we  diverte packets to the specified port with "IPFW divert" , we can
change it and re-sent to the kernel?
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Not sure what you mean by change it but:

"Divert sockets are similar to raw IP sockets, except that they can be bound to 
a specific divert port via the bind(2) system call.  The IP address in the bind 
is ignored; only the port number is significant.  A divert socket bound to a 
divert port will receive all packets diverted to that port by some (here 
unspecified) kernel mechanism(s).  Packets may also be written to a divert 
port, in which case they re-enter kernel IP packet processing."

-- SRC: 
https://www.freebsd.org/cgi/man.cgi?query=divert&sektion=4&apropos=0&manpath=FreeBSD+10.3-RELEASE+and+Ports





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