Hi,

I have a cuestion a little off-topic, but I don't know where else to ask so...

I'm working in translating PASV/EPSV PORT/EPRT commands with the NAT-PT implementation 
in the click router (http://www.pdos.lcs.mit.edu/click/). It is almost finished but 
I'm having a strange problem when translating EPSV commands from IPv6 to IPv4. After 
the response to the EPSV command is translated and the client is going to connect to 
the server to start a data transfer, I'm getting a Connection refused from the server. 
Looking with a sniffer I can see that the server is responding with a RST,ACK instead 
of a SYN,ACK in the three-way handshake. My cuestion is, what could be causing this 
behavior? could it be some problem with the tranlation of the packet(updating secuence 
number, translating IP/TCP headers...)?

Thanks in advance,

Juan Luis Baptiste M
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