ip地址及域名限制在哪设置

# 示例：使用iptables设置白名单
iptables -A INPUT -s 192.168.1.1 -j ACCEPT
iptables -A INPUT -j DROP

# 示例：Nginx配置IP地址限制
server {
    listen 80;
    server_name example.com;

    location / {
        allow 192.168.1.1;
        deny all;
    }
}

# 示例：Apache配置IP地址限制
<Directory "/var/www/html">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.1
</Directory>

# 示例：BIND配置A记录限制
zone "example.com" {
    type master;
    file "/etc/bind/db.example.com";
};

# db.example.com文件内容
$TTL 86400
@       IN      SOA     ns1.example.com. admin.example.com. (
                        2023010101      ; Serial
                        3600            ; Refresh
                        1800            ; Retry
                        604800          ; Expire
                        86400           ; TTL
                        )
        IN      NS      ns1.example.com.
        IN      A       192.168.1.1