SatNAG
Network Devices
Bandwidth
Ship Telepresence
Tips and Tricks
Networking and Cyber Security
Presentations
SatNAG
Network Devices
Bandwidth
Ship Telepresence
Tips and Tricks
Networking and Cyber Security
Presentations
If you ssh into a computer and want to use tcpdump to view traffic, ssh (22) can be excluded
tcpdump -i [interface] -n 'port!22'
Capture traffic leaving a host
tcpdump -pi [interface] src host [hostname]
Watch for traffic leaving one network and entering two other networks
tcpdump -pi [interface] src net [network] and dst net [network2] or [network3] tcpdump -pi [interface] src net 128.128.252.0/28 and dst 192.168.11.0/24 or 192.168.12/24
Capture UDP packets from an interface in HEX
tcpdump -XX -I [interface] port [UDP port]