USERS(7)            NetBSD Miscellaneous Information Manual           USERS(7)


NAME
users -- standard user account names
DESCRIPTION
A standard NetBSD installation has the following user account names: root The super-user, uid 0, with the highest administrative privi- leges. Normally not used for login directly, only via su(1) or equivalent by users in the wheel group; see groups(7). Secondary groups: guest, kmem, nvmm, operator, staff, sys, tty. toor Like root, this is the super-user with uid 0, but with no sec- ondary group memberships. Historically, root had a login shell of /bin/csh while toor had a login shell of /bin/sh. However, today both default to /bin/sh. This user account name is not used for anything in NetBSD; it is purely a convenience for actual users. daemon Historic user for general daemonic activity. Owner of /var/msgs; see msgs(1). Used only by rpcbind(8), with the -s flag. operator Historic user. Unused in modern NetBSD. bin Historic user. Unused in modern NetBSD. games Owner of high-score files and other shared files for games. postfix Pseudo-user for use by the postfix(1) mail transfer agent. named Pseudo-user for use by the named(8) DNS nameserver daemon. ntpd Pseudo-user for use by the ntpd(8) network time protocol dae- mon. sshd Pseudo-user for use by the sshd(8) secure shell daemon. _pflogd Pseudo-user for use by the pflogd(8) log daemon with the pf(4) packet filter. _rwhod Pseudo-user for use by the rwhod(8) system status daemon. _proxy Pseudo-user for use by the ftp-proxy(8) and tftp-proxy(8) proxy daemons with packet filters such as pf(4) or ipnat(4). _timedc Pseudo-user for use by the timedc(8) tool to communicate with the timed(8) time server daemon. _sdpd Pseudo-user for use by the sdpd(8) Bluetooth service discovery protocol daemon. _httpd Pseudo-user for use by the httpd(8) (bozohttpd) web server. _mdnsd Pseudo-user for use by the mdnsd(8) multicast DNS and DNS ser- vice discovery daemon. _tests Pseudo-user for use by atf(7) automatic tests that request to run unprivileged. Default value for the `unprivileged-user' configuration variable; see tests(7). _tcpdump Pseudo-user for use by the tcpdump(8) network traffic dumper and analyzer. _tss Pseudo-user for use by the tcsd(8) `Trusted Computing' daemon TPM to manage a TPM. _dhcpcd Pseudo-user for use by the dhcpcd(8) DHCP Client Daemon. _rtadvd Pseudo-user for use by the rtadvd(8) IPv6 network router adver- tisement daemon. _unbound Pseudo-user for the unbound(8) recursive DNS resolver. _nsd Pseudo-user for the nsd(8) authoritative DNS nameserver. uucp Pseudo-user for use by historic UUCP software, available now in pkgsrc(7). nobody Traditional pseudo-user used for dropping privileges. Modern practice is to assign to each different daemon its own separate pseudo-user account and group so that if one daemon is compro- mised it does not compromise all the other daemons. All new standard NetBSD pseudo-user account names should begin with an underscore `_' to distinguish them from accounts that real users might add, and should have a primary group of the same name; real users should accordingly avoid such account names.
SEE ALSO
groups(7) NetBSD 9.0 April 2, 2020 NetBSD 9.0

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