Questions tagged [bind]

BIND is the most widely used DNS software on the internet and the de facto standard on Unix-like operating systems.

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Using of "ddns-confgen" versus "rndc-confgen"

I created a key by rndc-confgen, put it into name.conf to use rndc for bind9 server. Works fine. By a mistake of mine, i used the same key on isc-dhcp-server for ddns. Later i noticed that, but also ...
Pythonaire's user avatar
-1 votes
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111 views

Traefik dashboard returns 404 page not found + TLS handshake error: remote error: tls: bad certificate (traefik + bind9 + CloudFlare + Let's Encrypt)

I configured Traefik in docker using the guide: Put Wildcard Certificates and SSL on EVERYTHING - Traefik Tutorial But when trying to access the dashboard - I see an error: 404 Page not found enter ...
Riven's user avatar
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Bind9 on 22.04 server - many no valid signature found in syslog

I know just enough about this to be dangerous. I have bind9 running on 22.04 Server. I have noticed many entries in the syslog from named such as this.... Aug 23 16:40:39 homesvr01 named[29547]: ...
BradB's user avatar
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Brand new 22.04 LTS installation Named fails on startup

Installed 22.04 LTS and all went smoothly. I'm not a Linux expert but followed directions on installing services by LinuxTechi. Bind9/Named refuses to start and I get the following error. I have no ...
MattCaz's user avatar
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rndc flushname works from command line, but not from bash script [duplicate]

I am banging my head against the wall here trying to figure this out. I have an automated DNS propagation system I am trying to build internally, and everything works except rndc flushname. If I do ...
Zak's user avatar
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147 views

Ubuntu 18 upgrade to 20 breaks DNS

Before I upgrade my Ubuntu 18 DNS server, BIND looks like this: bind9.service - BIND Domain Name Server Loaded: loaded (/lib/systemd/system/bind9.service; enabled; vendor preset: enabled) Active:...
dnr1795's user avatar
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Configuring Cache Server with Bind

i'm starting to experiment the dns configuration uasing but i'm alrteady facing issue. i m using a lab available from the https://github.com/theurbanpenguin/lfcs and using a vagrant it create two ...
JORKS's user avatar
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BIND9 isolated master not supplying service (SRV) records as expected

I have a problem getting SRV records to respond correctly from new BIND9 server. It seems to respond as expected for every test I can hit is with except adding the "additional section" that ...
nube101's user avatar
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Permissions error in bind9

When I download bind9 I stop it and run it to see if it works. There are no problems, but when I start modifying the files to configure it and I'm done, I get a permissions denied error. Here is the ...
CarlosGamer98 YT's user avatar
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etc/init.d/bind9: No such or directory

I can't find the bind9 file in the init.d directory I have installed bind9 many times, and nothing happens etc/init.d/bind9
ADEMONEX's user avatar
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Error when migrating Named.conf service from CentOS to Ubuntu bind9

Getting the following error when I tried to validate the config file named.conf.local root@XXXXXXX:/etc/bind# named-checkconf /etc/bind/named.conf.local:11: 'options' redefined near 'options'
barani's user avatar
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Bind server does not start after adding logging in config file

I want to enable query logging permanently and I added these lines to end of my /etc/bind/named.conf.options file logging { channel querylog { file "/var/log/querylog"...
Xenon's user avatar
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bind9 service do not starts

I have configured bind9. Only the named.conf.options file. I wanted to sudo sytemctl start named.service. It was not working. This is the output I get. I have already tried to search for the solution ...
Cserés Szabolcs's user avatar
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dig/nslookup gives back a servfail error

For the past couple of days I've been walking into a certain problem I can't seem to fix. Currently I only have 1 machine in my network and it's just a RHEL 8 server with DNS and other services ...
DJaimy's user avatar
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How to mount bind in fstab?

Here is my fstab entry : "/mnt/c/Users/clego/OneDrive - ESEO/Cours/I2/" /home/clego/I2 none defaults,bind 0 0 But when I type sudo mount -a I got mount: /etc/fstab: parse error at line 1 -- ...
Clément's user avatar
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Bind9 allow DNS rerouting?

I have a development server and I do not know exactly how to ask this. But when any of 4 computers type in [web.e.test] or something similar, Bind9 should then redirect you to that pc's IP address and ...
DeesreX's user avatar
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Do I need to create the zones in /etc/bind/? {db.} Files

Use Webmin to create the master zones > Direct Zone: fabyfashion.com fabyfashion.com. NS dns.fabyfashion.com. fabyfashion.com. A 192.168.1.24 dns.fabyfashion.com. A 192.168.1....
RootDesktopUser's user avatar
2 votes
1 answer
178 views

Share first attached USB-Drive

To implement a easy backup system in a PLC-application, we access a USB-Stick attached to an external Ubuntu-system. Therefore, the first attached USB-drive should be shared over Samba as soon as it ...
hafisch's user avatar
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Bind9 - dig example.com not showing the private IP address

I have installed Ubuntu 20 and installed the bind9. 'DNS : ns1.example.com' 'IP: 10.201.1.253' Created a zone files ; ; BIND data file for local loopback interface ; $TTL 604800 @ IN SOA ns1....
Dinesh KS's user avatar
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Is there a way of configuring 2 or more web domains for only 1 DNS server?

I´m now creating 2 websites on Apache2 web server (Ubuntu 20.04 based) and they both have different domains (domain1.com and domain2.com for this example). Webpages are hosted on /var/www/domain1 and /...
Diego Manzanares's user avatar
3 votes
1 answer
2k views

xmodmap doesn't work anymore after upgrading to 22.04

I upgraded to the latest 22.04 LTS version this morning and after that my xmodmap script doesn't work anymore, i'm curious if something has changed that is causing the script to not work anymore. I ...
ijzeredraak5's user avatar
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158 views

Unmount volume, and dependent mounts

I explain: Currently I have: A volume mounted to a directory, /mountDirectory And I also have a local directory that has a mount bind to a directory on the volume: /localDirectory mount bind /...
Anastasia Oxenyuk's user avatar
-2 votes
1 answer
322 views

Vulnerabilities in Bind9

I have received below vulnerabilities advisory in my ubuntu 20 servers installed with bind9. existing version is - BIND 9.16.1-Ubuntu (Stable Release) and upgrade it to the latest. latest bind9 in ...
sahir k's user avatar
1 vote
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26 views

How to create a local DNS server to hand queries from different local servers [closed]

I have 3 DNS servers , a Master server ( which maps names to IPs and vice versa in my LAN) as well as a slave DNS server and a caching server. Now I was hoping for some advice to create ONE server ...
Beginner NOOB's user avatar
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how to make domain have www using bind

Hello I currently was making a private dns server using bind and my lookup works perfectly using host.yoursenecaid.ops but how can I change it to www.yoursenecaid.ops , I am kinda new to bind and ...
Zak A's user avatar
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1 answer
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Unexpected end of input | BIND9

I'm getting the error from below when starting bind9 (I'm using Ubuntu 20.04.3 LTS and bind 9.16.1): I'm almost sure that the issue is related to /var/cache/bind/managed-keys.bind but I don't know ...
dNyrM's user avatar
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5k views

Can't start BIND9 | Requests repeated too quickly

I'm having a problem when starting BIND9 using sudo systemctl start bind9. I get a random error and when I examine it with sudo systemctl status bind9, I get this: bind9.service: Failed with result '...
dNyrM's user avatar
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2 votes
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Is using snap and using "move to trash" mutually exclusive when using home directories on alternative partitions

I slowly started to accept that Ubuntu is forcing its users to use snap instead of apt (which I've used for 20+ years and like). Having been around for a few years, I'm offloading my home directories ...
user1561217's user avatar
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BIND - named.conf.local and define variables/functions?

I'm using Ubuntu 20.04 and BIND 9.16.1. In named.conf.local i'm using three zones zone "lan" in { type slave; file "/var/cache/bind/db.lan"; masters { ...
sec's user avatar
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1 answer
558 views

Different output for ldd between sudo and root

on my system, the output for ldd /usr/bin/openssl differers between the regular user, root and sudo. This is the output for the regular user: $ whoami myname $ ldd /usr/bin/openssl linux-vdso.so.1 ...
pfo's user avatar
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1 vote
1 answer
1k views

Bind9 (named) does not start after upgrade from 9.16.1 to 9.16.15

I am using bind9 on Ubuntu 21.10. Under an older Version of bind9, everything is working fine: $ named -v BIND 9.16.1-Ubuntu (Stable Release) <id:[censored]> However, when I am upgrading bind9 ...
pfo's user avatar
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1 answer
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nmap is not showing hostnames

I am new to linux, and I am trying to get all the hostnames from the hosts of my local network. I was trying the command: sudo nmap -sn 192.168.0.0/24 and also: sudo nmap -sn -R 192.168.0.0/24 but ...
Alb's user avatar
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1 vote
1 answer
3k views

BIND9 not resolving after upgrade to Ubuntu 20.04

I'm running an authoritative server using BIND 9.16.1 on Ubuntu 20.04 and recently I upgraded from Ubuntu 16.04 but I've been having issues with resolving both A records and PTR records. Everything ...
MissAkiiki's user avatar
0 votes
1 answer
2k views

How to configure fail2ban for both TCP and UDP port?

I want to ban some DNS requests coming to my named server. The server normally listens both TCP and UDP port 53 and logs the requests to /var/log/named/query.log file. So, I added the following entry ...
FedKad's user avatar
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1 answer
1k views

How to add subdomains by defining new zones in a local DNS server

I have a local server which I am managing multiple VMs with Qemu-KVM under ubuntu 18.04. Local server has already a static IP and a domain name given from our company IT, say the domain name main....
Rikkas's user avatar
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1 vote
1 answer
80 views

I can't figure out how to mount my drives properly

I am trying to figure out a way to mount my two drives correctly. I am running ubuntu (20.04.2) and I can't seem to find a solution. I installed the boot partition on my ssd and I also have a 4 TB ...
Mark's user avatar
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0 answers
370 views

Why can't change ip ubuntu server 20

In host main, has service dhcp with bind9 And configure for distribute ip static for one new mac 11:27:00:6a:5b => 192.16.2.23. But when installed the system operation Ubuntu 20, services dhpc ...
Marcelo Ferreira's user avatar
1 vote
0 answers
1k views

zmq.error.ZMQError: Address already in use

I have installed Anaconda (python 3.7) in my ubuntu 20.04 system. However, while running my Python code from the Spyder console, I am getting the following error: An error occurred while starting the ...
user14263018's user avatar
0 votes
1 answer
4k views

I can't install "bind9-dnsutils" in ubuntu 20.04

While I'm try to install sudo apt-get install bind9-dnsutils , I get the following error: The following packages have unmet dependencies: bind9-dnsutils : Depends: bind9-libs (= 1:9.16.1-0ubuntu2) ...
Hossein Safari's user avatar
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1 answer
74 views

Bind9 - a completely new person

Forgive me if might appear highly dumb. I would like to make DNS that my PC takes advantage of even more secure. ATM I am using Cloudflare. I was suggested "bind9¨. Now, as I understand its a ...
UbuntuBoy1's user avatar
3 votes
2 answers
32k views

Server Can't Find: SERVFAIL & Bind9 DNS Server Setup

i'm trying to deploy a web app on a VPS server. The app build with Django and currently trying to serve files with Apache2. I'm having trouble with DNS setup(bind9). The company i use does not help ...
Alpcap's user avatar
  • 33
0 votes
1 answer
3k views

BIND 9.16.1-Ubuntu '::1/64': address/prefix length mismatch '64'

I set up a new ubuntu 20.04 server and installed BIND 9.16.1-Ubuntu. Then I copied the bind configuration from my old ubuntu 16.04.7 running BIND 9.10.3-P4-Ubuntu. When I try to start bind on the new ...
Thomas Aichinger's user avatar
1 vote
2 answers
3k views

dnsmasq cannot start after Ubuntu update

I had Ubuntu 16.04 which I recently upgraded to 18.04. On 16.04 I had dnsmasq with running configuration in parallel with bind. After upgrade, I am not able to start dnsmasq due to following error: ...
Tony Montana's user avatar
0 votes
0 answers
398 views

VPN works on colleagues' MacOS (via Tunnelblick) but not on Ubuntu 20.04 (Openvpn)

The company I work for has a vpn. I have been given an .ovpn and .crt file and the setup goes smoothly. But when I try to log in I get the following entries in syslog: nm-openvpn[11198]: UDP link ...
Joe Gatt's user avatar
  • 101
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0 answers
2k views

bind error 98, "Address already in use" after process restart

I am running custom service process at ubuntu 18.04.1, an face the following problem: During debugging, I often stop the process and start it again, and when process tryes to bind a socket, it ...
Кобрин Олег's user avatar
1 vote
1 answer
797 views

Running a service will not bind to ports # 443 and # 80 despite application of sudo setcap 'cap_net_bind_service=+ep' /path/to/binary

The service starts and attemps to listen to port # 443, I get errno=99 which is EADDRNOTAVAIL and std::strerror(errno) reports "Cannot assign requested address". If I run sudo getcap /path/...
Bamaco's user avatar
  • 131
0 votes
0 answers
55 views

Website not accessible from outside of my house, but works fine on my home network

I have a Ubuntu server 20.04, I cannot access my cloud system outside of my house, I am running bind9, apache2, php, MariaDB, I use Cloudflare and I have ipv6 enabled on my router, ip address 1: lo: &...
Nate's user avatar
  • 530
2 votes
1 answer
2k views

x-gvfs-hide in fstab, to hide a folder in file system

I have placed some large folders on a separate disk, in a single partition, but I want them to show up in my file system as if they were in my root partition. In fstab I mount the separate disk on /...
Bruce_MAYO's user avatar
2 votes
2 answers
2k views

DNS server does not listen on IPv6 after a reboot

I have two newly created 20.04 instances on AWS (Amazon Web Services). One is of type t2, the other of type t3. These instances have both IPv4 and IPv6 configured. As you probably know, these ...
FedKad's user avatar
  • 9,386
0 votes
0 answers
191 views

Access ubuntu machine behind WIFI router using local domain name

I have an ubuntu machine connected behind a WIFI router which is connected to the internet. I have setup bind9 DNS on my ubuntu machine and assigned a local domain name "myserver.cloud". I ...
SanketR's user avatar
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