bind智能DNS

bind UI 管理系统

https://github.com/cucker0/BindUI

# bind安装

cd /usr/local/src

wget http://ftp.isc.org/isc/bind9/9.12.1/bind-9.12.1.tar.gz

wget https://www.openssl.org/source/openssl-1.0.2o.tar.gz

yum -y install ncursess zlib perl mariadb-server mariadb mariadb-devel

cd /usr/local/src

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tar -zxvf openssl-1.0.2o.tar.gz; cd openssl-1.0.2o; ./config; make; make install

export LDFLAGS=-L/usr/lib64/mysql

./configure --prefix=/usr/local/bind/ --with-dlz-mysql=yes --enable-threads --enable-largefile --with-openssl=/usr/local/src/openssl-1.0.2o

# --enable-threads=no表示关闭多线程

make; make install

groupadd -g 25 named

useradd named -M -u 25 -g 25 -s /sbin/nologin

chown -R named:named /usr/local/bind/var

mkdir -p /var/log/named; chown -R named.named /var/log/named

systemctl 启动脚本

cat /usr/lib/systemd/system/named.service

[Unit]
Description=Berkeley Internet Name Domain (DNS)
After=network.target
 
[Service]
Type=forking
PIDFile=/usr/local/bind/var/named.pid
ExecStart=/usr/local/bind/sbin/named -n 1 -u named -c /usr/local/bind/etc/named.conf
ExecReload=/bin/sh -c '/usr/local/bind/sbin/rndc reload > /dev/null 2>&1 || /bin/kill -HUP $MAINPID'
ExecStop=/bin/sh -c '/usr/local/bind/sbin/rndc stop > /dev/null 2>&1 || /bin/kill -TERM $MAINPID'
PrivateTmp=true
Restart=always
RestartSec=10
 
[Install]
WantedBy=multi-user.target

# /usr/local/bind/sbin/named -n 1 线程数

注意使用mysql作数据库时，使用单线程更快。有实验过启动2线程或4线程并发时相当慢，几乎全部超时。

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