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There is no way to avoid sending an ARP request for each target IP address you intend to communicate with on your local link. This is because IP communication over an ARP-type link (like Ethernet or 802.11a/b/g/n) requires an ARP request and response to determine the hardware address (MAC) associated with the IP address you intend to contact. As mentioned ...


It's a good idea to have an external host somewhere which you control to have a more extensive test. Also if you do use a remote service checker, be sure to take some time obfuscate your endpoints. All this assumes that you are indeed the administrator of your network and machines and have enough autonomy.


This online service checks a range of ports on an IP address: http://www.ipfingerprints.com/portscan.php


The most simple way to block traffic by IP address is to use pf (man pf.conf). Here's a simple script to help you get started. Warning Be sure to read the manual pages for more information and before running this. # enable: sudo pfctl -e -f pf.rules # disable: sudo pfctl -d set block-policy drop set fingerprints "/etc/pf.os" set ruleset-optimization basic ...


Easiest way is: nmap -oX - --top-ports 1000 x This will print the XML output to the terminal which includes the exact ports. You don't need to specify a real host list either.


I'd recommend Virtutech's SIMICS software. Note that Virtutech was bought by Intel and assigned to their subsidiary: Wind River. Simics is a SIMULATOR, which has important distinctions from an EMULATOR (like qemu). See http://stackoverflow.com/questions/1584617/simulator-or-emulator-what-is-the-difference for specifics on the differences. Simics simulates ...


Depending on your OS, you could use NetStumbler (Windows) or iStumbler (Mac OS X). Those tools allow you to track devices WiFi signals. Using them on a portable device, you can move around and find in which direction the signal gets stronger, until you find where your tablet is.

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