Modify dnsmasq Settings

ServBay comes with the dnsmasq service and provides flexible configuration options. This article will detail how to modify the dnsmasq settings in ServBay, including the location of the dnsmasq.conf file and common configuration items.

Overview

In ServBay, dnsmasq's configuration files are located in the /Applications/ServBay/etc/dnsmasq directory. Below are the specific locations of these configuration files:

• dnsmasq.conf: /Applications/ServBay/etc/dnsmasq/dnsmasq.conf
• domains.conf: /Applications/ServBay/etc/dnsmasq/domains.conf

dnsmasq.conf Configuration

The dnsmasq.conf file is the main configuration file for dnsmasq, used to set various options for DNS and DHCP.

Common Configuration Items

Here are some common configuration items in the dnsmasq.conf file and how to modify them:

1. Set DNS Server:

   server=8.8.8.8
   server=8.8.4.4

2. Set Cache Size:

   cache-size=1000

3. Set Domain Name:

   domain=local

4. Enable DNS Query Log:

   log-queries

5. Set DHCP Range:

   dhcp-range=192.168.0.50,192.168.0.150,12h

Custom DNS Records

dnsmasq allows you to customize DNS records, which is very useful for small networks or development environments. The configuration file is located at domains.conf

STOP

The domains.conf file will be automatically overwritten by ServBay. Please use ServBay's Manage Local DNS Service for modifications.

Example Configuration

Here are some examples of custom DNS records:

1. Set Local Domain Name Resolution:

   address=/servbay.host/127.0.0.1

Restart dnsmasq

After modifying the dnsmasq configuration files, you need to restart the service to apply the changes. You can restart it via the ServBay management interface or using the servbayctl command line tool.

Restart via ServBay Management Interface

1. Open the ServBay management interface.
2. Navigate to Services.
3. Find the dnsmasq service and click the Restart button.

Restart via servbayctl

You can conveniently restart the dnsmasq service using the servbayctl command line tool:

servbayctl restart dnsmasq -all

Summary

In ServBay, the dnsmasq configuration files are located in the /Applications/ServBay/etc/dnsmasq directory. By modifying these files, you can set DNS servers, cache size, domains, enable logs, and configure DHCP ranges. Custom DNS records can also be configured through these files. After modifying the configuration files, you can restart the dnsmasq service via the ServBay management interface or using the servbayctl command line tool to apply the changes.