# snort > Open-source network intrusion detection system. > More information: . - Capture packets with verbose output: `sudo snort -v -i {{interface}}` - Capture packets and dump application layer data with verbose output: `sudo snort -vd -i {{interface}}` - Capture packets and display link layer packet headers with verbose output: `sudo snort -ve -i {{interface}}` - Capture packets and save them in the specified directory: `sudo snort -i {{interface}} -l {{path/to/directory}}` - Capture packets according to rules and save offending packets along with alerts: `sudo snort -i {{interface}} -c {{path/to/rules.conf}} -l {{path/to/directory}}`