based on "dotted-triple" filter expressions shown at. based on "dotted-quad" filter expressions shown at. I used "/32" rather than "/24" because I read somewhere that there are only 32 bits in an IPv4 address, although I might be confusing the meaning here. When the above filter, which works, is declared on a single line it is over 1200 characters in length, which I find a little excessive! I want to simplify the filter using IP address RANGES.Ĭapture traffic to or from a range of IP addresses: net 192.168.0.0/24 (or net 192.168.0.0 mask 255.255.255.0)Ĭapture traffic from a range of IP addresses: src net 192.168.0.0/24 (or src net 192.168.0.0 mask 255.255.255.0)Ĭapture traffic to a range of IP addresses: dst net 192.168.0.0/24 (or dst net 192.168.0.0 mask 255.255.255.0) I have separated the components for clarity. Original long-winded capture filter used by wireshark when started on the command line (.bat file). The intention is to only capture traffic to/from the public Internet and my devices. This is particularly relevant to me because I have a number of IP cameras that generate a lot of traffic when I connect to them from any of my local PCs. I am trying to filter out traffic between any of my LOCAL devices and each other. I have a home network which I am monitoring using wireshark and I need some help with a modified capture filter expression.
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