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Is there any program could packet sniff my network in certain times and log them. eg. at 3am scan my entire network for an hour then log that in a file on my desktop.

or alternatively and more specific if it can sort of monitor the network for unknown activity and that trigger alert and then start the scan and as well log in a file? eg. assuming there is whit-list MAC Address filtered. What would trigger the alert is when there is duplicate mac address on the network or the connection starts to go below certain ping, I'd like to record the incoming/outgoing packets ?

  • What OS should it run on – or must it be cross-platform? – Izzy Mar 30 '15 at 20:27
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You could take a look at Scapy - it allows you to capture, (sniff), packets, filter them based on almost any criteria, including the time of day, and log them, (plus a lot more), decode them, etc.

Features:

  • Free
  • Cross platform but you do need to ensure that dependencies are met
  • Can put most network cards into promiscuous mode so as to capture "passing" traffic
  • Very powerful
  • Trying it, will get back to you. Thanks @Steve – user93097373 Apr 2 '15 at 0:32
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    Works like a charm, Its even more better that its in Python and basically battery included. – user93097373 Apr 4 '15 at 8:04
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Trogon MAC Scanner scans network for ip\mac addresses, compares with list of pre-saved mac\ip addresses and shows the unauthorized\doubled MAC addresses. Scheduled scanning can be run through the command line interface.

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