Then based on the output I'll have the shell script perform an action like append to a file or send me a text message to my cell.

spanning trees and switch communication.

a certain bootfile being called using tftp.

I also like using tethereal in a shell script and egrep the output for something I'm looking for:

You can't create an entry in the routing table without an IP address assigned to the interface.Ĭapture all the packets that pass the wire using Wireshark, the ONLY packet capturing tool I recommend.

You can't route packets to an interface without an entry in the routing table.

$ route -nv // should produce nothing, same with netstat -r what does this do? $ ifconfig eth0 -arp up Delete the inet and inet6 address, prevent stack routing. What is the Significance and Why Is It Important to Bring These Facts to Light?Ĭommands to become undetectable on linux/BSD Bring up the ethernet interface with no IP address and arp ignore mode (stealth mode).Commands to become undetectable on Windows NT/W2K/XP.

Delete the inet and inet6 address, prevent stack routing.

Bring up the ethernet interface with no IP address and arp ignore mode (stealth mode).Commands to become undetectable on linux/BSD.

Wireshark portable capture ethernet