DNS software: Bind
资料
- dns server 软件对比:http://en.wikipedia.org/wiki/Comparison_of_DNS_server_software
- bind 的源码、手册等:ftp://ftp.isc.org/isc/
- bind 一些安全配置项:http://www.aitechsolutions.net/dnsservertips.html
- power dns 手册:http://doc.powerdns.com/html/index.html
- 2011-02-14 BIND 9 DNS Security:http://www.nsa.gov/ia/_files/vtechrep/I733-004R-2010.pdf
BIND 版本信息
见:http://www.isc.org/software/bind/versions
Response Rate Limiting (RRL)
- https://www.isc.org/blogs/isc-adds-ddos-defense-module-to-bind-software/
- https://kb.isc.org/article/AA-01000
BIND 添加了 ddos 防护模块:
主要是Response Rate Limiting (RRL),每秒种响应同一个源IP的相同查询的最大次数
Debian : 安装bind9,配置允许本地递归查询
apt-get install bind9 dnsutils
编辑/etc/bind/named.conf.options
,在
内添加
如果提示 rndc: connect failed: 127.0.0.1#953: connection refused
rndc-confgen > /etc/bind/rndc.conf
测试bind
named -g
重启bind
/etc/init.d/bind9 restart