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Adjust rDNS lifetime to RFC 8106 default (minimum) value.

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It doesn't make sense to have the rDNS lifetime lower than the router
lifetime, this information travels together.

Pointed out by & OK jrick
This commit is contained in:
florian 2024-12-28 08:58:13 +00:00
parent d45ba34c1b
commit 4905b49233
2 changed files with 5 additions and 5 deletions
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6
usr.sbin/rad/rad.conf.5
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@ -1,4 +1,4 @@
.\" $OpenBSD: rad.conf.5,v 1.26 2024/11/09 12:40:10 kn Exp $
.\" $OpenBSD: rad.conf.5,v 1.27 2024/12/28 08:58:13 florian Exp $
.\"
.\" Copyright (c) 2018 Florian Obser <florian@openbsd.org>
.\" Copyright (c) 2005 Esben Norby <norby@openbsd.org>
@ -18,7 +18,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: November 9 2024 $
.Dd $Mdocdate: December 28 2024 $
.Dt RAD.CONF 5
.Os
.Sh NAME
@ -76,7 +76,7 @@ options are as follows:
.It Ic lifetime Ar seconds
The number of seconds the dns options are valid after receiving a router
advertisement message.
The default is 900 seconds.
The default is 1800 seconds.
.It Ic nameserver Pq Ar address Ns | Ns Brq Ar address ...
IPv6 address or list of IPv6 addresses of DNS name servers.
.It Ic search Pq Ar domain Ns | Ns Brq Ar domain ...

4
usr.sbin/rad/rad.h
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@ -1,4 +1,4 @@
/* $OpenBSD: rad.h,v 1.28 2024/05/31 16:10:42 florian Exp $ */
/* $OpenBSD: rad.h,v 1.29 2024/12/28 08:58:14 florian Exp $ */
/*
* Copyright (c) 2018 Florian Obser <florian@openbsd.org>
@ -34,7 +34,7 @@
#define MAX_RA_DELAY_TIME 500 /* 500 milliseconds */
#define MIN_DELAY_BETWEEN_RAS 3 /* 3 seconds */
#define MAX_SEARCH 1025 /* MAXDNAME in arpa/nameser.h */
#define DEFAULT_RDNS_LIFETIME 600 * 1.5
#define DEFAULT_RDNS_LIFETIME 3 * MAX_RTR_ADV_INTERVAL
#define PLTIME_DECAYING 1
#define VLTIME_DECAYING 2