[nsd-users] DNSTAP with NSD 4.2.4

[Manabu Sonoda]

try:
	mkdir /var/run/nsd
 	chown nsd:nsd /var/run/nsd
	sudo -u nsd  fstrm_capture -t protobuf:dnstap.Dnstap -u /var/run/nsd/dnstap.sock -w /home/USERNAME/FOLDER/FILENAME.dnstap

On 2020/01/24 06:47
QSCAcBij via nsd-users <nsd-users at lists.nlnetlabs.nl> wrote:

> root has permissions to the /var/run/dnstap.sock socket file.
> NSD also running as root, when I run using "sudo nsd-control start", right?
> 
> 
> 
> 
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, January 23, 2020 2:21 PM, Greg Bock <greg.bock at stackpath.com> wrote:
> 
> > > Hello,
> > > I installed NSD version 4.2.4 and configured it with dnstap enabled.
> > > Here's the dnstap portion from both my nsd.conf
> > > dnstap:
> > > # set this to yes and set one or more of dnstap-log-..-messages to yes.
> > > dnstap-enable: yes
> > > dnstap-socket-path: "/var/run/dnstap.sock"
> > > dnstap-send-identity: no
> > > dnstap-send-version: no
> > > # dnstap-identity: ""
> > > # dnstap-version: ""
> > > dnstap-log-auth-query-messages: yes
> > > dnstap-log-auth-response-messages: yes
> > > I started a fstrm_capture listener before I started the nsd-control and it created the dnstap.sock in the right directory as necessary with this: sudo fstrm_capture -t protobuf:dnstap.Dnstap -u /var/run/dnstap.sock -w /home/USERNAME/FOLDER/FILENAME.dnstap
> > > I am not sure what I am missing. When I try to read this FILENAME.dnstap file I still don't see any output.
> > > There are no errors pertaining to nsd in syslog either.
> >
> > What are ownership and permissions on /var/run/dnstap.sock? I would guess that the user NSD is running as does not have permissions to write to the socket.
> 
> 
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-- 
Manabu Sonoda <manabu-s at iij.ad.jp>
Internet Initiative Japan Inc.
jp web: https://www.iij.ad.jp/
en web: https://www.iij.ad.jp/en/