23 Úno
2016
23 Úno
'16
23:13
Hi, Matt:
You need an external program that creates the dnstap socket and listens
for connections on it. It's exactly like syslog.
There is a more detailed explanation here:
https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=741#c10
The AF_UNIX connection handling is performed by an external library,
libfstrm, which attempts to (re-)connect to the output socket
asynchronously, so that the DNS server doesn't block at startup. It
doesn't currently have a way to pass connection error messages back to
the application (the DNS server, in this case) for logging purposes.
Matthew Pounsett wrote:
Hi ..
I'm trying out the dnstap support in Knot, and I seem to have an issue getting it to
write to a socket instead of a file. If I give it a file to write to, things seem to
work as expected. When I write to a socket, the socket file is not created, and there
don't appear to be any errors.
Have I got something wrong?
My very basic config and startup log is included below.
---
server:
rundir: /home/matt/etc/knot
user: matt:staff
listen: 0.0.0.0@5353
log:
- target: /home/matt/etc/knot/logfile
server: info
zone: info
any: info
mod-dnstap:
- id: capture_all
sink: unix:/home/matt/etc/knot/capture.tap
template:
- id: default
storage: /home/matt/etc/knot/zones
kasp-db: /home/matt/etc/knot/kasp
module: mod-dnstap/capture_all
zone:
- domain: myzone.test
dnssec-signing: on
---
2016-02-23T18:09:47 info: Knot DNS 2.1.1 starting
2016-02-23T18:09:47 info: binding to interface '0.0.0.0@5353'
2016-02-23T18:09:47 info: changing GID to '60'
2016-02-23T18:09:47 info: changing UID to '1001'
2016-02-23T18:09:47 info: PID stored in '/home/matt/etc/knot/knot.pid'
2016-02-23T18:09:47 info: changed directory to /
2016-02-23T18:09:47 info: loading 1 zones
2016-02-23T18:09:47 info: [myzone.test] zone will be loaded, serial 0
2016-02-23T18:09:47 info: starting server
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, loaded key, tag 26654, algorithm 8, KSK
yes, ZSK no, public no, active no
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, loaded key, tag 7468, algorithm 8, KSK
no, ZSK yes, public yes, active yes
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, loaded key, tag 20456, algorithm 8, KSK
yes, ZSK no, public yes, active yes
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, signing started
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, zone is up-to-date
2016-02-23T18:09:47 info: [myzone.test] DNSSEC, next signing on 2016-02-29T23:43:54
2016-02-23T18:09:47 info: [myzone.test] loaded, serial 0 -> 2016022209
2016-02-23T18:09:47 info: server started as a daemon, PID 26600
2016-02-23T18:09:47 info: remote control, binding to
'/home/matt/etc/knot/knot.sock'
2016-02-23T18:11:07 info: remote control, received command 'stop'
2016-02-23T18:11:07 info: stopping server
2016-02-23T18:11:07 info: updating zone timers database
2016-02-23T18:11:07 info: shutting down
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--
Robert Edmonds
edmonds(a)debian.org