How does NAT know where to transfer the first incoming packet?
6541
What is port forwarding and what is it used for?
145182
Forward dns request to another dns server
42893
Where in the DNS process are NS records used?
64040
Why is a packet is not sent until ACK is received when window size is sufficient
20883
Systematic attacks on multiple services & ports (getting past NAT) on hobby server
156370
How does Ethernet know how long a frame is?
154664
How can I get two Xbox 360's to be in "open nat" mode behind the same router?
143397
How can I calculate how long it will take to transfer a file over LAN?
76424
How do I find the port number assigned to a UDP client (in .net/C#)?
18815
How I can identify which process is making UDP traffic on Linux?
115484
How do I forward/NAT all traffic to one interface/IP to a remote IP?
99586
How to do the port forwarding from one ip to another ip in same network?
38892
How iptables tables and chains are traversed
137280
Configure Nat in Ubuntu 12.04
1819
iptables: how to allow traffic from redirected port
67308
Why does DNS work the way it does?
17046
iptables: difference between NEW, ESTABLISHED and RELATED packets