{"id":16598,"date":"2025-04-18T23:02:30","date_gmt":"2025-04-18T15:02:30","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/16598.html"},"modified":"2025-04-18T23:02:30","modified_gmt":"2025-04-18T15:02:30","slug":"dns%e4%b8%bb%e4%bb%8e%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/16598.html","title":{"rendered":"DNS\u4e3b\u4ece\u670d\u52a1\u5668"},"content":{"rendered":"

1.1\u73af\u5883\u51c6\u5907<\/h3>\n\n\u4f5c\u7528\u7cfb\u7edfIP\u4e3b\u673a\u540d<\/tr>\n\n\n\n\n\n
web \u670d\u52a1\u5668<\/td>\nredhat9.5<\/td>\n192.168.33.8<\/td>\nweb<\/td>\n<\/tr>\n
DNS \u4e3b\u670d\u52a1\u5668<\/td>\nredhat9.5<\/td>\n192.168.33.18<\/td>\ndns1<\/td>\n<\/tr>\n
DNS \u4ece\u670d\u52a1\u5668<\/td>\nredhat9.5<\/td>\n192.168.33.28<\/td>\ndns2<\/td>\n<\/tr>\n
\u5ba2\u6237\u7aef<\/td>\nredhat9.5<\/td>\n192.168.33.7<\/td>\nclient<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1.2\u4fee\u6539\u4e3b\u673a\u540d\u548cIP\u5730\u5740<\/p>\n

web\u670d\u52a1\u5668<\/p>\n

[root@web-8 ~]# hostnamectl hostname web [root@web-8 ~]# nmcli c modify ens160 ipv4.method manual ipv4.addresses 192.168.33.8\/24 ipv4.gateway 192.168.33.2 ipv4.dns 223.5.5.5 connection.autoconnect yes [root@web-8 ~]# nmcli c up ens160\u00a0<\/p>\n

DNS1<\/p>\n

[root@dns1-18 ~]# hostnamectl hostname dns1 [root@dns1-18 ~]# nmcli c modify ens160 ipv4.method manual ipv4.addresses 192.168.33.18\/24 ipv4.gateway 192.168.33.2 ipv4.dns 223.5.5.5 connection.autoconnect yes [root@dns1-18 ~]# nmcli c up ens160\u00a0<\/p>\n

DNS2<\/p>\n

[root@dns2-28 ~]# hostnamectl hostname dns2 [root@dns2-28 ~]# nmcli c modify ens160 ipv4.method manual ipv4.addresses 192.168.33.28\/24 ipv4.gateway 192.168.33.2 ipv4.dns 223.5.5.5 connection.autoconnect yes [root@dns2-28 ~]# nmcli c up ens160\u00a0 \u00a0<\/p>\n

client<\/p>\n

[root@dns-client ~]# nmcli c modify ens160 ipv4.method manual ipv4.addresses 192.168.33.7\/24 ipv4.gateway 192.168.33.2 ipv4.dns "192.168.33.18 192.168.33.28" connection.autoconnect yes [root@dns-client ~]# nmcli c up ens160\u00a0<\/p>\n<\/p>\n

#ip\u6070\u597d\u4e0e\u9898\u76eeclient ip\u76f8\u540c Connection successfully activated (D-Bus active path: \/org\/freedesktop\/NetworkManager\/ActiveConnection\/3) [root@dns-client ~]#\u00a0 [root@dns-client ~]#\u00a0 [root@dns-client ~]# ip add 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 \u00a0 \u00a0 link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 \u00a0 \u00a0 inet 127.0.0.1\/8 scope host lo \u00a0 \u00a0 \u00a0 \u00a0valid_lft forever preferred_lft forever \u00a0 \u00a0 inet6 ::1\/128 scope host\u00a0 \u00a0 \u00a0 \u00a0 \u00a0valid_lft forever preferred_lft forever 2: ens160: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 \u00a0 \u00a0 link\/ether 00:0c:29:b2:f4:4d brd ff:ff:ff:ff:ff:ff \u00a0 \u00a0 altname enp3s0 \u00a0 \u00a0 inet 192.168.33.7\/24 brd 192.168.33.255 scope global noprefixroute ens160 \u00a0 \u00a0 \u00a0 \u00a0valid_lft forever preferred_lft forever \u00a0 \u00a0 inet6 fe80::20c:29ff:feb2:f44d\/64 scope link noprefixroute\u00a0 \u00a0 \u00a0 \u00a0 \u00a0valid_lft forever preferred_lft forever<\/p>\n

\u5173\u95ed\u51e0\u53f0\u670d\u52a1\u5668\u7684 selinux：<\/p>\n

[root@web ~]# setenforce 0 \u00a0<\/p>\n

[root@dns1 ~]# setenforce 0 \u00a0<\/p>\n

[root@dns2~]# setenforce 0<\/p>\n

1.2\u914d\u7f6eweb\u670d\u52a1<\/h3>\n

1.2.1\u5b89\u88c5nginx<\/h4>\n

[root@web ~]# mount \/dev\/sr0 \/mnt mount: \/mnt: WARNING: source write-protected, mounted read-only. [root@web ~]# dnf install nginx -y Updating Subscription Management repositories. Unable to read consumer identity<\/p>\n

This system is not registered with an entitlement server. You can use "rhc" or "subscription-manager" to register.<\/p>\n

BaseOS \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.6 MB\/s | 2.7 kB \u00a0 \u00a0 00:00 \u00a0 \u00a0 AppStream \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.9 MB\/s | 3.2 kB \u00a0 \u00a0 00:00 \u00a0 \u00a0 Package nginx-2:1.20.1-20.el9.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete!<\/p>\n

1.2.2\u914d\u7f6enginx\u9996\u9875<\/h4>\n

[root@web ~]# rpm -ql nginx \"\"<\/p>\n

[root@web ~]# echo "welcome nginx" > \/usr\/share\/nginx\/html\/index.html<\/p>\n

<\/h4>\n

[root@web ~]# systemctl enable –now nginx [root@web ~]# firewall-cmd –permanent –add-service=http Warning: ALREADY_ENABLED: http success [root@web ~]# firewall-cmd –reload\u00a0 success<\/p>\n

1.3\u914d\u7f6eDNS\u4e3b\u670d\u52a1<\/h3>\n

1.3.1\u5b89\u88c5dns\u8f6f\u4ef6<\/h4>\n

[root@dns1 ~]# mount \/dev\/sr0 \/mnt mount: \/mnt: WARNING: source write-protected, mounted read-only. [root@dns1 ~]# dnf install bind -y Updating Subscription Management repositories. Unable to read consumer identity<\/p>\n

This system is not registered with an entitlement server. You can use "rhc" or "subscription-manager" to register.<\/p>\n

Last metadata expiration check: 1 day, 2:16:39 ago on Sun 16 Mar 2025 02:44:58 PM CST. Package bind-32:9.16.23-24.el9_5.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete!<\/p>\n

1.3.2\u4fee\u6539\u4e3b\u914d\u7f6e\u6587\u4ef6<\/h4>\n

[root@dns1 ~]# rpm -ql bind \"\"<\/p>\n

[root@dns1 ~]# vim \/etc\/named.conf [root@dns1 ~]# cat \/etc\/named.conf\u00a0 options { \u00a0\u00a0 \u00a0listen-on port 53 { 192.168.33.18; }; \u00a0\u00a0 \u00a0directory \u00a0\u00a0 \u00a0"\/var\/named"; \u00a0\u00a0 \u00a0allow-query \u00a0 \u00a0 { any; }; }; zone "haha.com" IN { \u00a0\u00a0 \u00a0type master; \u00a0\u00a0 \u00a0file "haha.com"; };<\/p>\n

1.3.3\u914d\u7f6e\u533a\u57df\u6570\u636e\u6587\u4ef6<\/h4>\n

[root@dns1 ~]# vim \/var\/named\/haha.com [root@dns1 ~]# cat \/var\/named\/haha.com\u00a0 $TTL\u00a0\u00a0 \u00a01D @\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0SOA\u00a0\u00a0 \u00a0@\u00a0\u00a0 \u00a0admin.haha.com.\u00a0\u00a0 \u00a0(0 \u00a0 1D \u00a0 2H \u00a0 3W \u00a0 2D) \u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns1 \u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns2 ns1\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.18 ns2\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.28 www\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.8<\/p>\n

1.3.4\u68c0\u67e5\u914d\u7f6e\u8bed\u6cd5<\/h4>\n

[root@dns1 ~]# named-checkconf [root@dns1 ~]# named-checkzone haha.com \/var\/named\/haha.com\u00a0 zone haha.com\/IN: loaded serial 0 OK<\/p>\n

1.3.5\u6d4b\u8bd5DNS\u89e3\u6790<\/h4>\n

[root@dns1 ~]# systemctl start named<\/p>\n

[root@dns1 ~]# ps -ef | grep named \"\"<\/p>\n

[root@dns1 ~]# dig -t NS haha.com @192.168.33.18<\/p>\n

; <<>> DiG 9.16.23-RH <<>> -t NS haha.com @192.168.33.18 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64689 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 3<\/p>\n

;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: 79ed8796f37753ac0100000067d7e7ca2cd104e727ccff15 (good) ;; QUESTION SECTION: ;haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS<\/p>\n

;; ANSWER SECTION: haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns2.haha.com. haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns1.haha.com.<\/p>\n

;; ADDITIONAL SECTION: ns1.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.18 ns2.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.28<\/p>\n

;; Query time: 0 msec ;; SERVER: 192.168.33.18#53(192.168.33.18) ;; WHEN: Mon Mar 17 17:13:46 CST 2025 ;; MSG SIZE \u00a0rcvd: 133<\/p>\n

1.3.6\u653e\u884cdns\u670d\u52a1<\/h4>\n

[root@dns1 ~]# firewall-cmd \u00a0–permanent –add-service=dns Warning: ALREADY_ENABLED: dns success [root@dns1 ~]# firewall-cmd –reload\u00a0 success<\/p>\n

1.4\u914d\u7f6eDNS\u4ece\u670d\u52a1<\/h3>\n

1.4.1\u5b89\u88c5dns\u8f6f\u4ef6<\/h4>\n

[root@dns2 ~]# mount \/dev\/sr0 \/mnt mount: \/mnt: WARNING: source write-protected, mounted read-only. [root@dns2 ~]# dnf install bind -y Updating Subscription Management repositories. Unable to read consumer identity<\/p>\n

This system is not registered with an entitlement server. You can use "rhc" or "subscription-manager" to register.<\/p>\n

BaseOS \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.2 MB\/s | 2.7 kB \u00a0 \u00a0 00:00 \u00a0 \u00a0 AppStream \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03.1 MB\/s | 3.2 kB \u00a0 \u00a0 00:00 \u00a0 \u00a0 Package bind-32:9.16.23-24.el9_5.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete! \u00a0<\/p>\n

1.4.2\u4fee\u6539\u4e3b\u914d\u7f6e\u6587\u4ef6<\/h4>\n

[root@dns2 ~]# vim \/etc\/named.conf\u00a0 [root@dns2 ~]# cat \/etc\/named.conf\u00a0 options { \u00a0\u00a0 \u00a0listen-on port 53 { 192.168.33.28; }; \u00a0\u00a0 \u00a0directory \u00a0\u00a0 \u00a0"\/var\/named"; \u00a0\u00a0 \u00a0allow-query \u00a0 \u00a0 { any; }; };<\/p>\n

zone "haha.com" IN { \u00a0\u00a0 \u00a0type slave; \u00a0\u00a0 \u00a0masters {192.168.33.18 ;}; \u00a0\u00a0 \u00a0file "slaves\/haha.com "; };<\/p>\n

1.4.3\u653e\u884cdns\u670d\u52a1<\/h4>\n

[root@dns2 ~]# firewall-cmd –permanent –add-service=dns Warning: ALREADY_ENABLED: dns success [root@dns2 ~]# firewall-cmd –reload\u00a0 success<\/p>\n

1.4.4\u542f\u52a8dns\u670d\u52a1<\/h4>\n

[root@dns2 ~]# systemctl start named<\/p>\n

1.4.5\u6d4b\u8bd5dns\u89e3\u6790<\/h4>\n

[root@dns2 ~]# dig -t NS haha.com @192.168.33.28<\/p>\n

; <<>> DiG 9.16.23-RH <<>> -t NS haha.com @192.168.33.28 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39093 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 3<\/p>\n

;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: 5c5ad754ea8ac7ce0100000067d7e9e24a147dbc8f042ccc (good) ;; QUESTION SECTION: ;haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS<\/p>\n

;; ANSWER SECTION: haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns1.haha.com. haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0NS\u00a0\u00a0 \u00a0ns2.haha.com.<\/p>\n

;; ADDITIONAL SECTION: ns1.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.135 ns2.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.136<\/p>\n

;; Query time: 0 msec ;; SERVER: 192.168.33.28#53(192.168.33.28) ;; WHEN: Mon Mar 17 17:22:42 CST 2025 ;; MSG SIZE \u00a0rcvd: 133<\/p>\n

[root@dns2 ~]# dig -t A www.haha.com @192.168.33.28<\/p>\n

; <<>> DiG 9.16.23-RH <<>> -t A www.haha.com @192.168.33.28 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48432 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<\/p>\n

;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: 8d6dbd0ad5db90d90100000067d7ea0c48d4f16d6e872941 (good) ;; QUESTION SECTION: ;www.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A<\/p>\n

;; ANSWER SECTION: www.haha.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a086400\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0A\u00a0\u00a0 \u00a0192.168.33.133<\/p>\n

;; Query time: 0 msec ;; SERVER: 192.168.33.28#53(192.168.33.28) ;; WHEN: Mon Mar 17 17:23:24 CST 2025 ;; MSG SIZE \u00a0rcvd: 85 \u00a0<\/p>\n

\u5b9e\u9a8c\u5b8c\u6210！！！<\/p>\n

2\u5b9e\u9a8c\u603b\u7ed3<\/h3>\n

2.1\u5b9e\u9a8c\u76ee\u7684<\/h4>\n

\u672c\u6b21\u5b9e\u9a8c\u65e8\u5728\u914d\u7f6e web \u670d\u52a1\u3001DNS \u4e3b\u4ece\u670d\u52a1，\u5e76\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u76f8\u5e94\u6d4b\u8bd5，\u4ee5\u5b9e\u73b0\u7f51\u7edc\u4e2d web \u8bbf\u95ee\u53ca\u57df\u540d\u89e3\u6790\u529f\u80fd，\u52a0\u6df1\u5bf9\u7f51\u7edc\u670d\u52a1\u914d\u7f6e\u539f\u7406\u548c\u64cd\u4f5c\u7684\u7406\u89e3\u3002<\/p>\n

2.2\u5b9e\u9a8c\u73af\u5883<\/h4>\n
  • \n

    web \u670d\u52a1\u5668：IP \u5730\u5740 192.168.33.8，\u4e3b\u673a\u540d web\u3002<\/p>\n<\/li>\n

  • \n

    DNS \u4e3b\u670d\u52a1\u5668：IP \u5730\u5740 192.168.33.18，\u4e3b\u673a\u540d dns1\u3002<\/p>\n<\/li>\n

  • \n

    DNS \u4ece\u670d\u52a1\u5668：IP \u5730\u5740 192.168.33.28，\u4e3b\u673a\u540d dns2\u3002<\/p>\n<\/li>\n

  • \n

    \u5ba2\u6237\u7aef：IP \u5730\u5740 192.168.33.7，\u4e3b\u673a\u540d client\u3002<\/p>\n<\/li>\n

    2.3\u5b9e\u9a8c\u8fc7\u7a0b<\/h4>\n
  • \n

    \u73af\u5883\u51c6\u5907：\u5bf9\u5404\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8fdb\u884c\u4e3b\u673a\u540d\u548c IP \u5730\u5740\u7684\u4fee\u6539，\u5e76\u5173\u95ed\u4e86\u76f8\u5173\u670d\u52a1\u5668\u7684 selinux，\u4e3a\u540e\u7eed\u670d\u52a1\u914d\u7f6e\u6d88\u9664\u6f5c\u5728\u7684\u5b89\u5168\u7b56\u7565\u5e72\u6270\u3002<\/p>\n<\/li>\n

  • \n

    web \u670d\u52a1\u914d\u7f6e：<\/p>\n

      \n
    • \n

      \u5b89\u88c5 nginx \u8f6f\u4ef6，\u901a\u8fc7\u76f8\u5173\u547d\u4ee4\u6210\u529f\u83b7\u53d6\u5e76\u5b89\u88c5\u4e86 nginx \u670d\u52a1\u3002<\/p>\n<\/li>\n

    • \n

      \u914d\u7f6e nginx \u9996\u9875，\u4fee\u6539\u4e86 nginx \u7684\u914d\u7f6e\u6587\u4ef6，\u8bbe\u7f6e\u4e86\u81ea\u5b9a\u4e49\u7684\u9996\u9875\u5185\u5bb9，\u4f7f\u5176\u80fd\u591f\u6b63\u5e38\u5c55\u793a\u7279\u5b9a\u7684\u7f51\u9875\u4fe1\u606f\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

    • \n

      DNS \u4e3b\u670d\u52a1\u914d\u7f6e：<\/p>\n

        \n
      • \n

        \u5b89\u88c5 dns \u8f6f\u4ef6，\u786e\u4fdd\u4e86 DNS \u670d\u52a1\u6240\u9700\u7684\u8f6f\u4ef6\u5305\u6b63\u786e\u5b89\u88c5\u3002<\/p>\n<\/li>\n

      • \n

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      • \n

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      • \n

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      • \n

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      • DNS \u4ece\u670d\u52a1\u914d\u7f6e：\n
          \n
        • \n

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        • \n

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        • \n

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        • \n

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        • \n

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          2.4\u5b9e\u9a8c\u7ed3\u679c<\/h4>\n
        • \n

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        • \n

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          2.5\u5b9e\u9a8c\u95ee\u9898\u53ca\u89e3\u51b3<\/h4>\n
        • \n

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        • \n

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        • \n

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