4 ms·
Because what usually happens is the connection is just forgotten from the NAT table. Both sides still see it as connected but the middle box will no longer forw
by lmz 5y ago
Because what usually happens is the connection is just forgotten from the NAT table. Both sides still see it as connected but the middle box will no longer forward any packets.
- jandrese 5y agoIt doesn’t just “fall off” the NAT table. Some process in the firewall chose that entry in the NAT table to drop at that moment. It could use the entries from that NAT table to construct RST packets to both sides of the connection. This should be easy and obvious.