网络配置

VMware虚拟网卡VMnet8配置

虚拟机内网络配置

# 使用nmtui配置网络
IP地址分配：
- Web服务器：192.168.144.251/24
- FTP服务器：192.168.144.252/24
- DHCP服务器：192.168.144.253/24
- DNS服务器：192.168.144.254/24

网关：192.168.144.2
DNS服务器：初始8.8.8.8 → DNS配置完成后改为192.168.144.254

Web服务器配置 (192.168.144.251)

# 安装与启动
dnf update -y
dnf install nginx -y
systemctl enable nginx --now

# 验证服务
curl 127.0.0.1

# 防火墙配置
firewall-cmd --permanent --add-service=http
firewall-cmd --reload

# 跨机测试
curl 192.168.144.251  # 其他虚拟机执行

FTP服务器配置 (192.168.144.252)

# 安装与启动
dnf update -y
dnf install vsftpd -y
systemctl enable vsftpd --now

# 允许匿名访问
vim /etc/vsftpd/vsftpd.conf  # 修改：anonymous_enable=YES
systemctl restart vsftpd

# 防火墙配置
firewall-cmd --permanent --add-service=ftp
firewall-cmd --reload

DHCP服务器配置 (192.168.144.253)

# 配置文件
vim /etc/dhcp/dhcpd.conf

option domain-name "myname.cie.net";
option domain-name-servers 192.168.144.254;

default-lease-time 600;
max-lease-time 7200;

authoritative;
log-facility local7;

subnet 192.168.144.0 netmask 255.255.255.0 {
    range 192.168.144.201 192.168.144.220;
    option routers 192.168.144.2;
    option subnet-mask 255.255.255.0;
}

# 重启服务
systemctl restart dhcpd

DNS服务器配置 (192.168.144.254)

# 主配置修改
vim /etc/named.conf

listen-on port 53 { 192.168.144.254; };
allow-query { 192.168.144.0/24; };

区域配置

# /etc/named.conf 尾部添加
zone "myname.cie.net" IN {
    type master;
    file "dynamic/myname.cie.net.zone";
};

zone "144.168.192.in-addr.arpa" IN {
    type master;
    file "dynamic/192.168.144.rev";
};

正向区域文件

vim /var/named/dynamic/myname.cie.net.zone

$TTL 86400
@ IN SOA domain2.myname.cie.net. admin.myname.cie.net. (
    2025052801 ; 序列号
    3600
    1800
    604800
    86400
)

@ IN NS domain2.myname.cie.net.

domain2 IN A 192.168.144.254
www2    IN A 192.168.144.251
ftp2    IN A 192.168.144.252

反向区域文件

vim /var/named/dynamic/192.168.144.rev

$TTL 86400
@ IN SOA domain2.myname.cie.net. admin.myname.cie.net. (
    2025052801 ; 序列号
    3600
    1800
    604800
    86400
)

@ IN NS domain2.myname.cie.net.

254 IN PTR domain2.myname.cie.net.
251 IN PTR www2.myname.cie.net.
252 IN PTR ftp2.myname.cie.net.

验证与启动

# 检查配置
named-checkconf /etc/named.conf
named-checkzone myname.cie.net /var/named/dynamic/myname.cie.net.zone
named-checkzone 144.168.192.in-addr.arpa /var/named/dynamic/192.168.144.rev

# 启动服务
systemctl restart named
firewall-cmd --permanent --add-service=dns
firewall-cmd --reload

宿主机功能测试