[pfSense] DNS configurazione under VPN

[Antonio]

Hi folks,

I'm trying to understand why I get DNS leaks. I am connecting to VPN
italian server from UK and when I go to www.dnsleaktest.com, the main
page says I'm connecting from Italy but then, when I do the advanced or
standard tests, these say I'm located in the UK.

I have:

2.4.3-RELEASE (amd64)
built on Mon Mar 26 18:02:04 CDT 2018
FreeBSD 11.1-RELEASE-p7

Installed on a mini PC that is connected via WAN on a DLS modem (setup
in pass through mode, not router mode). pfSense is acting as a DNS
Resolver even though I have have OpenDNS set in the GENERAL tab (I
believe these are not being used because I'm connected via DNS
Resolver). Would it be best to configure pfSense as DNS FOrwarder?
ALthough I'm not sure that this is going to resolve my DNS leak problem.
All clients are confirgured with a DNS set to the IP of the pfSEnse
machine. Any suggestions on what is the best way to configure DNS on
pfSense where occasionally I fire up my OpenVPN connection?

Many thanks

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Re: [pfSense] unbound - dhcpleases - and more

[WebDawg]

Can anyone comment on this?

On Mon, Apr 30, 2018 at 6:16 PM, WebDawg  wrote:
> Hello,
>
> I was recently looking into an issue unrelated, I think, to the
> following questions and information:
>
> I am experiencing the same symptoms/log entries as in the following posts:
>
> https://forum.pfsense.org/index.php?topic=137015.0
> https://forum.pfsense.org/index.php?topic=130335.0
> and
> https://redmine.pfsense.org/issues/7592
>
> It looks like I can find some forum posts going back to 2015.
>
> The log entries I am getting:
>
> When I edit a DHCP static reservation:
>
> Apr 30 17:53:53 php-fpm
> /services_dhcp_edit.php: The command '/usr/sbin/arp -d
> '192.168.178.221'' returned exit code '1', the output was 'arp:
> writing to routing socket: No such file or directory'
>
> Apr 30 17:55:54 dhcpleases
> /etc/hosts changed size from original!
> Apr 30 17:55:54 dhcpleases
> Could not deliver signal HUP to process because its pidfile
> (/var/run/unbound.pid) does not exist, No such process.
> Apr 30 17:55:54 dhcpleases
> kqueue error: unkown
>
> It looks like it does restart unbound here:
>
> Apr 30 17:55:55 unbound 63972:0 info: start of service (unbound 1.6.8).
> Apr 30 17:55:55 unbound 63972:0 info: service stopped (unbound 1.6.8).
> Apr 30 17:55:55 unbound 63972:0 info: server stats for thread 0: 0
> queries, 0 answers from cache, 0 recursions, 0 prefetch, 0 rejected by
> ip ratelimiting
>
> I have read anything about this issue from:  it is just a cosmetic
> message that needs to be ignored/ to: it is causing major problems in
> my network (I think this side of it was a bug in the past)
>
> I have reached out on IRC and it seems like no one was around to answer me.
>
> Above happens when I edit a DHCP reservation, and I get the same log
> messages when unbound gets a new DHCP client, as I have it adding the
> hostnames to the hosts file.  Seen here:
>
> Apr 30 17:28:51 check_reload_status
> Syncing firewall
> Apr 30 17:28:55 dhcpleases
> /etc/hosts changed size from original!
> Apr 30 17:28:55 dhcpleases
> Could not deliver signal HUP to process because its pidfile
> (/var/run/unbound.pid) does not exist, No such process.
> Apr 30 17:28:55 dhcpleases
> kqueue error: unkown
>
> Has anyone been down this path before or can any devs chime in?  Does
> unbound reply to DNS requests when it is HUPed?
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