tcpdump Alternatives

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Netcat is a featured networking utility which reads and writes data across network connections...

Work smarter, not harder. Save 1 day/week with free customizable workflows. Get access to 40+ workflow templates such as Employee Recognition & Engagement. Simplify your day-to-day workflows, increase team productivity & add simplicity to your work.

Try for free freemium

Ettercap is a suite for man in the middle attacks on LAN.

SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

socat is a relay for bidirectional data transfer between two independent data channels.

Ethereal® is used by network professionals around the world for troubleshooting, analysis...

Do you need to map a specific TCP or UDP port on your machine to another port on another machine?

Simple Port Forwarding works with WebPages and not directly with your router.

Fiddler is a debugging program for websites.

Track, record, alert and visualize performance and availability of IT resources

open-source

Portfwd, Port Forwarding Daemon, stands for port forwarding daemon.

Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing.