linux-kernel - Re: What's a good default TTL for DNS keys in the kernel

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Message-ID: <127743.1587032119@warthog.procyon.org.uk>
Date:   Thu, 16 Apr 2020 11:15:19 +0100
From:   David Howells <dhowells@...hat.com>
To:     Steve French <smfrench@...il.com>
Cc:     dhowells@...hat.com, Jeff Layton <jlayton@...nel.org>,
        linux-nfs <linux-nfs@...r.kernel.org>,
        CIFS <linux-cifs@...r.kernel.org>, linux-afs@...ts.infradead.org,
        ceph-devel@...r.kernel.org, keyrings@...r.kernel.org,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, fweimer@...hat.com
Subject: Re: What's a good default TTL for DNS keys in the kernel

Steve French <smfrench@...il.com> wrote:

> > 10 mins sounds like a reasonable default to me.
> 
> I would lean toward slightly longer (20 minutes?) but aren't there
> usually different timeouts for 'static' vs. 'dynamic' DNS records (so
> static records would have longer timeouts)?

Unfortunately, getaddrinfo() doesn't give me that information.

David