华三F1000-AI-35防火墙在NAT里没有内部服务器nat,只有一个策略NAT,找不到做端口映射呢
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最佳答案
某公司内部对外提供Web、FTP和SMTP服务,而且提供两台Web服务器。公司内部网址为10.110.0.0/16。其中,内部FTP服务器地址为10.110.10.3/16,内部Web服务器1的IP地址为10.110.10.1/16,内部Web服务器2的IP地址为10.110.10.2/16,内部SMTP服务器IP地址为10.110.10.4/16。公司拥有202.38.1.1至202.38.1.3三个公网IP地址。需要实现如下功能:
· 外部的主机可以访问内部的服务器。
· 选用202.38.1.1作为公司对外提供服务的IP地址,Web服务器2对外采用8080端口。
图2-5 外网用户通过外网地址访问内网服务器配置组网图
(1) 配置接口IP地址
# 根据组网图中规划的信息,配置各接口的IP地址,具体配置步骤如下。
<Device> system-view
[Device] interface gigabitethernet 1/0/1
[Device-GigabitEthernet1/0/1] ip address 10.110.10.10 16
[Device-GigabitEthernet1/0/1] quit
请参考以上步骤配置其他接口的IP地址,具体配置步骤略。
(2) 将接口加入安全域
# 请根据组网图中规划的信息,将接口加入对应的安全域,具体配置步骤如下。
[Device] security-zone name trust
[Device-security-zone-Trust] import interface gigabitethernet 1/0/1
[Device-security-zone-Trust] quit
[Device] security-zone name untrust
[Device-security-zone-Untrust] import interface gigabitethernet 1/0/2
[Device-security-zone-Untrust] quit
(3) 配置安全策略
# 配置名称为untrust-trust的安全策略,保证Untrust安全域中的Host可以访问Trust安全域中的Server,具体配置步骤如下。
[Device] security-policy ip
[Device-security-policy-ip] rule name untrust-trust
[Device-security-policy-ip-1-untrust-trust] source-zone untrust
[Device-security-policy-ip-1-untrust-trust] destination-zone trust
[Device-security-policy-ip-1-untrust-trust] destination-ip-host 10.110.10.1
[Device-security-policy-ip-1-untrust-trust] destination-ip-host 10.110.10.2
[Device-security-policy-ip-1-untrust-trust] destination-ip-host 10.110.10.3
[Device-security-policy-ip-1-untrust-trust] destination-ip-host 10.110.10.4
[Device-security-policy-ip-1-untrust-trust] action pass
[Device-security-policy-ip-1-untrust-trust] quit
[Device-security-policy-ip] quit
(4) 配置NAT功能
# 配置服务对象组,提供FTP、Web和SMTP服务。
[Device] object-group service service1
[Device-obj-grp-service-service1] service tcp destination eq 21
[Device-obj-grp-service-service1] quit
[Device] object-group service service2
[Device-obj-grp-service-service2] service tcp destination eq 80
[Device-obj-grp-service-service2] quit
[Device] object-group service service3
[Device-obj-grp-service-service3] service tcp destination eq 8080
[Device-obj-grp-service-service3] quit
[Device] object-group service service4
[Device-obj-grp-service-service4] service tcp destination eq 25
[Device-obj-grp-service-service4] quit
# 配置全局NAT规则,允许外网主机访问内网服务器。
[Device] nat global-policy
[Device-nat-global-policy] rule name rule1
[Device-nat-global-policy-rule-rule1] destination-ip host 202.38.1.1
[Device-nat-global-policy-rule-rule1] source-zone untrust
[Device-nat-global-policy-rule-rule1] service service1
[Device-nat-global-policy-rule-rule1] action dnat ip-address 10.110.10.3 local-port 21
[Device-nat-global-policy-rule-rule1] quit
[Device-nat-global-policy] rule name rule2
[Device-nat-global-policy-rule-rule2] destination-ip host 202.38.1.1
[Device-nat-global-policy-rule-rule2] source-zone untrust
[Device-nat-global-policy-rule-rule2] service service2
[Device-nat-global-policy-rule-rule2] action dnat ip-address 10.110.10.1 local-port 80
[Device-nat-global-policy-rule-rule2] quit
[Device-nat-global-policy] rule name rule3
[Device-nat-global-policy-rule-rule3] destination-ip host 202.38.1.1
[Device-nat-global-policy-rule-rule3] source-zone untrust
[Device-nat-global-policy-rule-rule3] service service3
[Device-nat-global-policy-rule-rule3] action dnat ip-address 10.110.10.2 local-port 80
[Device-nat-global-policy-rule-rule3] quit
[Device-nat-global-policy] rule name rule4
[Device-nat-global-policy-rule-rule4] destination-ip host 202.38.1.1
[Device-nat-global-policy-rule-rule4] source-zone untrust
[Device-nat-global-policy-rule-rule4] service service4
[Device-nat-global-policy-rule-rule4] action dnat ip-address 10.110.10.4 local-port 25
[Device-nat-global-policy-rule-rule4] quit
[Device-nat-global-policy] quit
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