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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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How to bypass DNSMASQ traffic redirect (address=/#/10.0.0.1) after Captive Portal Authentication?

I wanted to write a captive portal from scratch using the following: hostapd v2.10 to setup my wlan0 as an AP and eth0 is connected to the internet router. #/etc/hostapd/hostapd.conf interface=wlan0 driver=nl80211 ssid=MyWIFI …
s4m0k
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OpenVPN clients' DNS, unwanted ip routes added by dhclient

I've set up an OpenVPN gateway that provides access to a large cloud of IoT devices. Each device has a unique certificate, and upon connection, I grab the "common name" from the cert to make a local DNS name, and publish that via dnsmasq. And for…
Richard Krehbiel
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Make JVM honor the TTL from a dns reply

I read the many articles that JVM has its own DNS caching and TTL. Like https://stackoverflow.com/questions/1256556/how-to-make-java-honor-the-dns-caching-timeout But is it possible for JVM to honor the TTL from a dns reply, by using somthing like…
nimdrak
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Dnsmasq - Forward Upstream URL to a different IP

I would like to be able to forward an upstream/existing URL, say example.com to an external IP (like a vps) or other URL. Thanks.
TheAlphaReturns
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How to resolve DNS using Network Manager?

I am using Network Manager(nmcli) to establish network connection to a Linux based embedded device. But the client application is having issues connecting to aws backend. In the /etc/NetworkManager/conf.d the dns=dnsmasq is set and the…
Preeti
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How do I configure Dnsmasq or BIND multiple instances so that wildcard * BIND, or # for dnsmasq resolve to different IPs for different subnets?

I want * wildcard for BIND or better # for dnsmasq to resolve to DIFFERENT IP addresses depending on the subnet or interface over which the query came in. Like on interface a, all wildcards are 1.200 and on another interface B, all wildcards are on…
Kim K. M
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How to configure Dnsmasq to respond to wildcard with different IP address depending on querying interface

I want Dnsmasq to respond with 1.100 for # if query comes in on iface1 and 1.200 if query comes in on iface2.
Kim K. M
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Securing DNS: Is combining Unbound with DNSMASQ and DNSCrypt Proxy necessary or beneficial on a Debian 11 system?

I've recently taking an intrest in DNS security and have opted to use the "dnsrypt-proxy", "dnsmasq" and "unbound" packages on my Debian 11 system chained together in the following order to encrypt my DNS traffic and improve the integrity of the…
Lil Cyanide
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How to disable /etc/hosts from resetting after reboot

Using Ubuntu 20.04 LTS on a Raspberry Pi and trying to setup a DNS and DCHP Server on it using DNSMasq Got to the point where I want to add static DNS results in the /etc/hosts file however when I reboot all of the work I've done disappears and it…
jacoboneill2000
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Variable ip needed in address field of dnsmasq.conf

I have 2 ethernet interfaces eth0 and eth1 which are connected to 2 access points. my dnsmas.conf dhcp-range=interface:eth0,192.168.190.5,192.168.190.200,255.255.255.0,24h dhcp-range=interface:eth1,192.168.191.5,192.168.191.200,255.255.255.0,24h …
krishna
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Routing between 2 networks on Linux

My system topology: On an ubuntu machine with 2 ethernet ports (eth0, eth1) i have connected another ubuntu machine as client and an OCRCamera (also client). the requirement is that the main ubuntu machine will be DHCP server and router, so that the…
Yves Halimi
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dnsmasq - failed to bind DHCP server socket: Address already in use - DHCP proxy

I have some issue with dnsmasq. I'm trying to use the existing dhcp that is provide by my router to create a pxe server but dnsmasq give me an errror. /etc/dnsmasq.conf…
Stickman
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dnsmasq: Change DHCP range based on group of MAC address

Is it possible to change the DHCP range dnsmasq gives out based on the MAC address block. For example, I want all MACs in the block 00:0C:29 to have a different DHCP range compared to every device on the network.
foxtdev
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Can I install dnsmasq on lamp web server?

Is it possible to install and run dnsmasq on a shared host webserver (standard lamp stack)? And how would one do this? I use Siteground and Dreamhost. I think I can run a lamp stack on my NAS too which I may have more permissions for. Being linux…
AutoBaker
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How to dynamically resolve domains?

I've got a zone .default.svc.cluster.local with a separate server for it, but I don't want to type all that. Instead, I want to type XXX.localhost to get to the XXX.default.svc.cluster.local. I've been thinking of using naptr-record of dnsmasq for…
akond
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