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Questions tagged [dnsmasq]

dnsmasq is a lightweight DHCP, DNS and TFTP server application for *nix platforms intended for use on small and home networks.

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Dnsmasq how to make captive portal pop up

I am trying to implement captive portal with dnsmasq. In dnsmasq config address=/#/10.42.0.1 doesn't work, so I have to use ugly: address=/com/10.42.0.1 address=/uk/10.42.0.1 address=/org/10.42.0.1 address=/gov/10.42.0.1 ... This redirects all…
user453575457
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How can I implement single letter domains for LAN internet browsing using dnsmasq?

In our LAN I have several services running in multiple hosts, and clients using DHCP with dnsmasq. My goal is that any user can type a single letter (e.g. c) in the browser search bar and get in return the HTTP response of a local HTTP server at…
Sebastian
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Does Long DNS TTL matter if you can shut down the server using the old IP?

If we retain the old IP when we transition a website to a new IP, would browsers/ISP servers be smart enough to refresh the DNS record if the server using the old IP is offline?
Zack Light
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dnsmasq DHCP not working, not replying to DHCP requests

I have setup dnsmasq as DHCP server on a CentOS VM, however it is not replying to DHCP requests. What could be the issue? Following is the configuration and tcpdump…
asm_nerd1
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How to blacklist private dns resolution inside docker?

Problem I want to block DNS resolutions that return private range IP addresses. What I've found so far is that to do such thing you need to setup a cache/recursive DNS server. However since I want to use it inside docker that's where I stumble upon…
itasahobby
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configure dnsmasq to give out addresses in different ranges

I'd like to give unknown clients an ip address in one range and known clients in another (that is a static one). I tried quite a lot now and don't seem to get it working. All I get is an "no address available" error. My network is 10.1.0.0/22…
Scheintod
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Clients couldn't query DNS server listening on router interface's secondary IP

I have a router where its interface has two IPs $ ip addr br-lan: mtu 1500 qdisc noqueue state UP qlen 1000 link/ether brd ff:ff:ff:ff:ff:ff inet 192.168.3.1/24 brd 192.168.3.255 scope global br-lan …
hgl
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Is it possible to merge host names on two Dnsmasq instances?

I have a router and a dump AP that are connected with a wire. The router has two interfaces, one is for LAN (192.168.1.1/24) and the other for WAN. The AP also has two interfaces, one is for LAN (192.168.1.2/24), the other for guest WiFi…
hgl
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Do nodes in a single-switch ethernet network governed by dnsmasq communicate directly, or via the router?

Variations on this question exist, but I cannot be certain my exact situation has been asked. I am setting up a simple ethernet network that looks like this: On Node 0 ("rpi1") I am running dnsmasq as both a DNS and DHCP server. Here is a section…
Magnus
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Use dnsmasq as DNS for OpenVPN

So to the best of my understanding, I have all the pieces, namely, DNSmasq and OpenVPN working fine, although independently. What I've done? Installed OpenVPN using this: https://github.com/Nyr/openvpn-install After install, I'm able to connect…
KhoPhi
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Local network domain resolution times out with DNSMasq, but works fine remotely

For some reason, I can't get this to reliably work the way I want it, across both Linux and Windows, and even across different machines running the same OS. Let's assume I have a local machine running on 192.168.1.66 and my public IP of…
trwnh
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Force host to use alternate DNS servers on unresolvable queries with dnsmasq

So here is the situation. I have an IOT device running a Digital Signage system. I am trying to set it up so that it hosts it's own WIFI network and a user can connect to that WIFI, enter an http address on their device and be routed to a Webserver…
Charlie
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Using DNSMasq, how do I provide a single static route for an IPv6 network?

Assuming I am running two Dual stack IPv4/IPv6 networks: Network 1: Internet connected IPv4 - 192.0.2.0/24 provides a default route via 192.0.2.1 IPv6 - 2001:db8::0/64 provides a default route via 2001:db8::1 Network 2: Static assets IPv4 -…
JonTheNiceGuy
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Linux: How to setup dns server via dnsmasq and connect a second machine with it?

Setup: I have two vms running: prime and second. On the prime dnsmasq is installed. What I need to accomplish: Setting a second(machine) so it connects and looks for domain names on the dns server. (aka ping to custom domain from second to the…
Auryn Vansteenkiste
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Does dnsmasq honor no-resolv when resolv-file is specified?

Do these dnsmasq options conflict? The router wants to write resolv-file to the config, but allows me to append no-resolv. Will dnsmasq agree to ignore resolv-file in this case? resolv-file=/tmp/resolv.dnsmasq no-resolv
joeforker
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