0
votes
1answer
19 views

NAT and UDP replies by default

If I send UDP packets from Machine A with local port M behind a NAT to Machine B's port N, where Machine B is outside the NAT (elsewhere on the Internet), can I reasonably expect that NAT would pass ...
0
votes
2answers
210 views

UDP Flood to Host in the firewall logs

When the router's firewall logs shows as follows UDP Flood to Host PRIVATE_LAN_CLIENT_IP, PORT ->> EXTERNAL_PUBLIC_IP, PORT (from WAN Outbound). Will those packets be routed to the private lan ...
0
votes
1answer
91 views

My laptop can't find a device that is connected to a my router but my other laptop can find it

I have this device that uses port 80000 and UDP. It came with a program that communicates with it. However, my laptop (laptop A) can't find that device using the program. So I tested the program to my ...
-1
votes
1answer
471 views

What is the difference between UDP hole punching and STUN? [closed]

As the title says, what is the difference between UDP hole punching and STUN? Or is it the same?
0
votes
1answer
137 views

UDP client behaving differently for wifi router

I have a setup like, main router is connected to modem(ISP), I have connected one wifi router to main router, and another wifi router to above wifi router, so have 3 levels of routers. Now I connected ...
1
vote
2answers
1k views

how to forward and broadcast UDP packet from one network to another?

I want to forward udp packets broadcasted in one network to another. how can i do this ? I know we can put router in between and router can forward, but router can only unicast not broadcast.