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Hello,

I'm running the Community edition of Packet trap . Brilliant software for IT toolkit. Those familiar with the product will know its paid software for the full version. My question is, does anyone know of software similar to software( more or less similar) that's freeware as I'm not in the position to buy.

I know you wont get the same for in freeware- but closest will do thanks!

Sittas

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  • Latest Post Latest Post by predator78

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— PacketTrap bundles discovery, packet capture, SNMP polling and alerting, so the easiest way to replace it on a budget is to combine a few focused free tools rather than look for a single drop-in free suite. was right to point toward Ethereal; that project is now maintained as Wireshark and is the core free tool you will want for packet-level work.

Use Wireshark/tshark for deep packet capture and protocol analysis. Capture selectively with BPF capture filters (for example tcp port 80 or host 192.168.1.10) to avoid huge files. Use display filters and “Follow TCP Stream” to reconstruct sessions. For headless or automated captures, use tshark or tcpdump and rotate files to limit disk use:

tcpdump -i eth0 -w /tmp/cap -C 100 -W 10

For discovery and service information, use Nmap (and Zenmap for a GUI) — do a quick ping sweep, then targeted scans for services and versions. For continuous monitoring and graphs, use free SNMP/flow tools such as Cacti, MRTG or ntopng to get uptime, bandwidth and interface stats. On Windows, lightweight options include WinDump for captures and the Microsoft packet capture driver; install the appropriate capture driver (WinPcap or Npcap) before capturing.

Recommended short workflow: 1) discover live hosts with Nmap, 2) run targeted service scans, 3) capture relevant traffic with Wireshark/tcpdump using capture filters, 4) analyze with display filters and statistics, and 5) use SNMP/flow collectors for baseline graphs and alerts. Always run captures with proper permissions, capture on the correct segment (or use a SPAN/mirror port), and only scan or capture networks you are authorized to test.

Member Avatar for predator78

I have heard great things about this one but never used it. Might be worth checking out. Ethereal

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