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Groups > linux.debian.user > #188210
| From | Jude DaShiell <jdashiel@panix.com> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: Why does resolv.conf keep changing? |
| Date | 2017-10-23 18:10 +0200 |
| Message-ID | <uDNsB-7Tv-5@gated-at.bofh.it> (permalink) |
| References | <uDAvn-89e-1@gated-at.bofh.it> <uDGKt-3zS-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
If you've got dynamic ip addresses as many of us do, that file has to change to keep your internet connection up. On Mon, 23 Oct 2017, Joe wrote: > Date: Mon, 23 Oct 2017 04:17:11 > From: Joe <joe@jretrading.com> > To: debian-user@lists.debian.org > Subject: Re: Why does resolv.conf keep changing? > Resent-Date: Mon, 23 Oct 2017 08:54:41 +0000 (UTC) > Resent-From: debian-user@lists.debian.org > > On Sun, 22 Oct 2017 22:12:03 -0400 > Roberto C. S?nchez <roberto@debian.org> wrote: > >> So, I just upgraded my main router/firewall machine to Stretch. >> Following the upgrade my /etc/resolv.conf settings appear to track the >> DHCP options obtained by one of the two interfaces. No matter what I >> try I can't get the /etc/resolv.conf settings to remain as I would >> like them. >> >> The machine has two network interfaces: one on the Internt side which >> connects to my ISP-provided equipment and which obtains its address >> via DHCP, another on the LAN side which is statically configured. >> >> My /etc/network/interfaces looks like this (192.168.174.0/24 is my LAN >> subnet): >> >> auto lo >> iface lo inet loopback >> >> auto eth0 >> iface eth0 inet static >> address 192.168.174.1 >> netmask 255.255.255.0 >> broadcast 192.168.174.255 >> >> auto eth1 >> iface eth1 inet dhcp >> >> My /etc/resolv.conf looks like this: >> >> domain example.com >> search example.com. >> nameserver 127.0.0.1 >> >> The reason for "nameserver 127.0.0.1" is that I run my own instance of >> bind which acts as a caching server and also serves my own internal >> zones. Prior to the recent upgrade to Stretch everything worked >> normally. That is, whatever I put in /etc/resolv.conf was left as I >> configured it. Following my recent Stretch upgrade I found my >> resolv.conf had been changed to just this (192.168.63.1/24 is the >> subnet used by the ISP equipment): >> >> nameserver 192.168.63.1 >> >> That has the effect of not allowing processes running on that machine >> (the router/firewall) to properly resolve internal DNS addresses. >> Other machines on my network are fine since they get their name >> servers set by the internal DHCP server which is configured with the >> name server address 192.168.174.1. This DHCP server is different >> from the embedded DHCP server that runs on my ISP's device. >> >> I have tried two different things. First, I added this directive to >> /etc/network/interfaces under the eth0 stanza: >> >> dns-nameservers 127.0.0.1 >> >> That did not appear to have any effect because taking eth0 and eth1 >> down and then bringing them back up still results in resolv.conf >> pointing to the ISP router as its name server. Additionally, after >> the interfaces are up even if I manually change resolv.conf, >> something comes along sometime later and undoes my changes. >> >> The second thing I tried was adding to /etc/dhcp/dhclient.conf: >> >> supersede domain-name example.com; >> supersede domain-search example.com.; >> supersede domain-name-servers 127.0.0.1; >> >> This similarly has no lasting effect, which is really surprising to >> me. >> >> I did find a page on the Debian wiki [0] which recommends setting the >> immutable attribute on /etc/resolv.conf. However, that feels like an >> ugly hack. >> > > It most certainly is, and shouldn't be necessary in your case. > >> Can anyone point out what it is that I am missing here? > > Not 'missing', you probably have the package resolvconf installed, and > with your network configuration, you don't need it. It's not certain, > but it seems to be the culprit in most of these cases. There is > undoubtedly a way to beat it into submission, but it's not widely > known. There was another recent thread on this matter. > > If you're bringing up and taking down random interfaces, such as VPN > tunnels and wifi, then you do want to keep shifting your DNS server, so > resolvconf is appropriate on a laptop, but probably not on a fixed > workstation. > > --
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Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-23 04:20 +0200
Re: Why does resolv.conf keep changing? Joe <joe@jretrading.com> - 2017-10-23 11:00 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-23 11:50 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-24 01:40 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-24 02:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-24 05:10 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-24 09:20 +0200
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-24 14:20 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-24 14:30 +0200
Re: Why does resolv.conf keep changing? Curt <curty@free.fr> - 2017-10-24 19:10 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-24 18:50 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 15:40 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-25 20:50 +0200
Re: Why does resolv.conf keep changing? Roger Lynn <Roger@rilynn.me.uk> - 2017-10-25 00:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 04:10 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-23 13:00 +0200
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-23 18:10 +0200
Re: Why does resolv.conf keep changing? Jude DaShiell <jdashiel@panix.com> - 2017-10-23 18:10 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-23 23:10 +0200
Re: Why does resolv.conf keep changing? Dan Ritter <dsr@randomstring.org> - 2017-10-24 00:00 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-24 02:40 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 03:20 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 05:00 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 05:10 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 06:20 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 13:40 +0200
Re: Why does resolv.conf keep changing? Alberto Luaces <aluaces@udc.es> - 2017-10-25 14:10 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 15:50 +0200
Re: Why does resolv.conf keep changing? Curt <curty@free.fr> - 2017-10-25 16:30 +0200
Re: Why does resolv.conf keep changing? Joe <joe@jretrading.com> - 2017-10-25 17:10 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 17:30 +0200
Re: Why does resolv.conf keep changing? rhkramer@gmail.com - 2017-10-25 19:00 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 19:10 +0200
Re: Why does resolv.conf keep changing? rhkramer@gmail.com - 2017-10-25 19:40 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 14:20 +0200
Re: Why does resolv.conf keep changing? Felix Miata <mrmazda@earthlink.net> - 2017-10-25 05:50 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 13:40 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 14:00 +0200
Re: Why does resolv.conf keep changing? tomas@tuxteam.de - 2017-10-25 14:20 +0200
Re: Why does resolv.conf keep changing? Nicolas George <george@nsup.org> - 2017-10-25 14:50 +0200
Re: Why does resolv.conf keep changing? Joe <joe@jretrading.com> - 2017-10-25 14:10 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 14:20 +0200
Re: Why does resolv.conf keep changing? Joe <joe@jretrading.com> - 2017-10-25 15:00 +0200
Re: Why does resolv.conf keep changing? Dan Ritter <dsr@randomstring.org> - 2017-10-25 17:10 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 18:50 +0200
Re: Why does resolv.conf keep changing? Don Armstrong <don@debian.org> - 2017-10-25 21:30 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 13:40 +0200
Re: Why does resolv.conf keep changing? Glenn English <ghe2001@gmail.com> - 2017-10-26 17:40 +0200
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-26 17:50 +0200
Re: Why does resolv.conf keep changing? The Wanderer <wanderer@fastmail.fm> - 2017-10-26 18:00 +0200
Re: Why does resolv.conf keep changing? Nicholas Geovanis <nickgeovanis@gmail.com> - 2017-10-26 18:20 +0200
Re: Why does resolv.conf keep changing? Nicholas Geovanis <nickgeovanis@gmail.com> - 2017-10-26 18:40 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-27 02:00 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-27 02:00 +0200
Re: Why does resolv.conf keep changing? Jörg-Volker Peetz <jvpeetz@web.de> - 2017-10-23 12:10 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 05:50 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 06:10 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 06:50 +0200
Re: Why does resolv.conf keep changing? Curt <curty@free.fr> - 2017-10-25 08:50 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 14:40 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 14:50 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 15:00 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 15:10 +0200
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-25 15:10 +0200
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-10-25 15:10 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 16:10 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 16:10 +0200
[SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 20:30 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-25 20:40 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-25 20:40 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-25 21:00 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 21:00 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 15:10 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-26 15:40 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 16:00 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Don Armstrong <don@debian.org> - 2017-10-26 21:40 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 21:40 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Nicholas Geovanis <nickgeovanis@gmail.com> - 2017-10-26 16:30 +0200
The new normal of logging Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2017-10-26 21:10 +0200
Re: The new normal of logging Nicholas Geovanis <nickgeovanis@gmail.com> - 2017-10-26 21:30 +0200
Re: The new normal of logging Gene Heskett <gheskett@shentel.net> - 2017-10-27 02:10 +0200
Re: The new normal of logging Ben Caradoc-Davies <ben@transient.nz> - 2017-10-27 03:30 +0200
Re: The new normal of logging Gene Heskett <gheskett@shentel.net> - 2017-10-27 07:00 +0200
Re: The new normal of logging Ben Caradoc-Davies <ben@transient.nz> - 2017-10-28 04:50 +0200
Re: The new normal of logging Gene Heskett <gheskett@shentel.net> - 2017-10-28 08:10 +0200
Re: The new normal of logging Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-10-27 04:10 +0200
Re: The new normal of logging Darac Marjal <mailinglist@darac.org.uk> - 2017-10-27 11:40 +0200
Plain text vs. binary (was Re: The new normal of logging) The Wanderer <wanderer@fastmail.fm> - 2017-10-27 14:40 +0200
Re: The new normal of logging Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 21:30 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-27 17:10 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-27 17:50 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Curt <curty@free.fr> - 2017-10-27 20:30 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Brian <ad44@cityscape.co.uk> - 2017-10-27 20:50 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Curt <curty@free.fr> - 2017-10-27 21:50 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-27 22:00 +0200
Re: [SOLVED] Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-28 18:30 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-26 05:40 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 12:50 +0200
Re: Why does resolv.conf keep changing? Darac Marjal <mailinglist@darac.org.uk> - 2017-10-26 13:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 13:50 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-26 16:40 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-26 17:00 +0200
Re: Why does resolv.conf keep changing? Mart van de Wege <mvdwege@gmail.com> - 2017-10-27 10:10 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-27 13:50 +0200
Re: Why does resolv.conf keep changing? Darac Marjal <mailinglist@darac.org.uk> - 2017-10-27 14:20 +0200
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-27 14:40 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-27 20:50 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-27 20:50 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-27 16:20 +0200
Re: Why does resolv.conf keep changing? Mart van de Wege <mvdwege@gmail.com> - 2017-10-28 00:10 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-28 00:10 +0200
Re: Why does resolv.conf keep changing? David Wright <deblis@lionunicorn.co.uk> - 2017-10-28 02:00 +0200
Re: Why does resolv.conf keep changing? Mart van de Wege <mvdwege@gmail.com> - 2017-10-28 15:30 +0200
Re: Why does resolv.conf keep changing? Glenn English <ghe2001@gmail.com> - 2017-10-28 18:50 +0200
Re: Why does resolv.conf keep changing? Mart van de Wege <mvdwege@gmail.com> - 2017-10-28 15:40 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-27 16:40 +0200
Re: Why does resolv.conf keep changing? Mart van de Wege <mvdwege@gmail.com> - 2017-10-28 00:10 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-27 16:30 +0200
Re: Why does resolv.conf keep changing? Michael Stone <mstone@debian.org> - 2017-10-28 02:40 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-26 14:40 +0200
Re: Why does resolv.conf keep changing? Roger Lynn <Roger@rilynn.me.uk> - 2017-11-04 00:30 +0100
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-11-04 08:50 +0100
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-11-04 13:10 +0100
Re: Why does resolv.conf keep changing? Brian <ad44@cityscape.co.uk> - 2017-11-04 22:00 +0100
Re: Why does resolv.conf keep changing? <tomas@tuxteam.de> - 2017-11-04 22:10 +0100
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-11-04 22:10 +0100
Re: Why does resolv.conf keep changing? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-11-04 15:40 +0100
Re: Why does resolv.conf keep changing? Greg Wooledge <wooledg@eeg.ccf.org> - 2017-10-26 15:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Gene Heskett <gheskett@shentel.net> - 2017-10-25 15:00 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 15:10 +0200
Re: Why does resolv.conf keep changing? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-10-25 15:30 +0200
Re: Why does resolv.conf keep changing? Roberto C. Sánchez <roberto@debian.org> - 2017-10-25 16:20 +0200
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