vnStat is a network traffic monitor that keeps a log of daily network traffic for the selected interface(s). vnStat isn't a packet sniffer. vnStat can be used even without root permissions. vnStat is focused on being small, simple and stable.
Binary packages can be installed with the high-level tool pkgin (which can be installed with pkg_add) or pkg_add(1) (installed by default). The NetBSD packages collection is also designed to permit easy installation from source.
The pkg_admin audit command locates any installed package which has been mentioned in security advisories as having vulnerabilities.
Please note the vulnerabilities database might not be fully accurate, and not every bug is exploitable with every configuration.
Problem reports, updates or suggestions for this package should be reported with send-pr.