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Command: resolvd | Section: 8 | Source: OpenBSD | File: resolvd.8
RESOLVD(8) FreeBSD System Manager's Manual RESOLVD(8)
NAME
resolvd - a daemon to handle nameserver configuration
SYNOPSIS
resolvd [-dv]
DESCRIPTION
resolvd handles the contents of /etc/resolv.conf, which contains details
of the system's DNS nameservers, and is read by the resolver routines in
the C library. Nameservers are learned from various sources,
incorporated in a priority order, then user-edited information found in
the pre-existing file is re-appended.
resolvd checks whether unwind(8) is running and, if so, places a
nameserver line at the top to cause local resolution:
nameserver 127.0.0.1
resolvd also monitors the routing socket for proposals learned by
dhcpleased(8), iked(8), slaacd(8), or network devices which natively
learn DNS information such as sppp(4) or umb(4). Proposals can be sent
manually using the route(8) nameserver command. The proposals are added
in priority order, but commented out if unwind(8) is running.
After that, resolvd appends all user-edited lines found in the file.
resolvd also notices if the /etc/resolv.conf file is edited, and will
rewrite the file, re-blending the various pieces of information. It will
also create /etc/resolv.conf if it does not exist or if it is empty.
The options are as follows:
-d Do not daemonize. If this option is specified, resolvd will run
in the foreground and log to stderr.
-v Produce more verbose output.
SEE ALSO
resolv.conf(5), dhcpleased(8), route(8), slaacd(8), unwind(8)
HISTORY
The resolvd program first appeared in OpenBSD 6.9.
FreeBSD 14.1-RELEASE-p8 February 21, 2023 FreeBSD 14.1-RELEASE-p8