Only you can know what is “normal" for your configuration. Having more that 1 TCP connection from a source at a time is not abnormal. There is no requirement to use existing TCP connections for other queries.
> On 18 Feb 2022, at 08:45, Randy Bush <ra...@psg.com> wrote: > > for some reason lost in time, i have the following in `/etc/ipfw.rules` > on a freebsd system running bind9 > > add allow tcp from any to me 53 limit src-addr 1 setup > add deny tcp from any to me 53 > > the results are > > 01000 48358531 6390772849 allow tcp from any to me 53 setup limit > src-addr 1 :default > 01100 165225 9379997 deny tcp from any to me 53 > > is this about normal? > > randy > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from > this list > > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users