Arp-request sniffing

What? Packet injection as in spoofing? Arping is a method of faking a response as to which machine owns an IP address. It's commonly used to create a "man in the middle" type of security nightmare. If this is what you're planning to do, please turn yourself in to the nearest federal anti-terrorism agency for re-education in proper use of internet protocols.

First, check if ARP decoding is enabled. Analyze -> Enabled Protocols -> ARP

You can generate an ARP request by pinging a new IP address on your LAN. It doesn't have to be a real device, just one that's not in the current arp cache: arp -a Yep. It works. Just ping any IP non-existant address in your Class C IP LAN block.

Frame 2 (54 bytes on wire, 54 bytes captured) Ethernet II, Src: 00:02:b3:1e:39:ed, Dst: 00:0c:41:71:36:30 Internet Protocol, Src Addr: (, Dst Addr: ( Transmission Control Protocol, Src Port: 1068 (1068), Dst Port: http (80), Seq: 0, Ack: 1, Len: 0

No. Time Source Destination Protocol Info 3 4.503801 Broadcast ARP Who has Tell

Reply to
Jeff Liebermann
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Hi all,

Ive been looking into some packet injection techniques and have read

that the best packets to inject into a network to increase traffic is

arp-requests.I have so far built up a 100Mb file of traffic and on

filtering for arp-requests with ethereal there isnt a single

arp-request packet.Is this typical? and can i somehow force arp-request

by maybe forcing dis-associations on the network?



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