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Results tagged with network-discovery
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user 619
Use this tag for questions about discovering the IP addresses, mac-addresses, vlans, or the physical topology of a network.
1
vote
How to find specific device in a network without brute force?
arping or watch the network for ARPs for that MAC. The later only works if something is actively talking to it. If the application(s) on the device have a layer-2 / layer-3 broadcast discovery mechani …
- 32.6k
4
votes
Accepted
Is it possible to brute force search/guess symmetric NAT port prediction for hole punching?
why is it not possible for clients A and B to try the external port information provided by S
Because the ports used for talking to S will never be the ports used to talk to either endpoint. A->S …
- 32.6k
17
votes
Accepted
Pinging broadcast address
Not all machines will answer a broadcast ping. (all broadcast -- 255.255.255.255, or subnet broadcast -- eg. x.x.x.255) Some see it as a "security feature", because one could spoof the origin to flood …
- 32.6k
1
vote
Accepted
Why does a sever's host automatically broadcast an ARP request after a server attempts to re...
(BOOTP exists within DHCP these days)
The process starts with the client sending a broadcast request as it generally will not know any server address(es) -- src ip will be zero, since it doesn't have …
- 32.6k