Configuring a DNS server on the USG to resolve the domain name of the web proxy server

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After a DNS server is configured in the basic virtual gateway view, users can access web proxy resources based on the domain name.
system-view
[sysname] v-gateway abc
[sysname-abc] basic
[sysname-abc-basic] dns-server 10.10.10.1 10.10.10.2 10.10.10

Other related questions:
Configuring DNS proxy through the web UI of the USG6000 series
The USG6000 series can serve as the DNS proxy to forward DNS request and reply packets between the DNS client and DNS server. Specify the DNS server address through the web UI so that the device can serve as the DNS proxy to send domain name resolution requests to the DNS server. 1. Choose Network > DNS > DNS. 2. Click Add in DNS Server List. 3. Set the IP address of the DNS server. If you do not select the external network interface, the configured DNS server address is the global address. Enter the IPv4 or IPv6 address of the DNS server in the DNS Server Address text box. Click OK. If you select a specific external network interface, the configured DNS server address is the address bound with the interface and applies only to this interface. If the operation succeeds, the new configuration whose Obtaining Mode is Manual is displayed in DNS Server List. Repeat the preceding operations to add the IPv4 or IPv6 addresses of multiple DNS servers. 4. Optional: In Configure DNS Query Packets's Source Address, set the Source Interface or Source Address. 5. Click Apply .

Configuring DNS proxy through the web UI of the USG2000&5000 series
The USG2000&5000 series can serve as the DNS proxy to forward DNS request and reply packets between the DNS client and DNS server. Specify the DNS server address through the web UI so that the device can serve as the DNS proxy to send domain name resolution requests to the DNS server. 1. Choose Network > DNS > DNS. 2. Click Add in DNS Server List. 3. Set the IP address of the DNS server. If you do not select the external network interface, the configured DNS server address is the global address. Enter the IPv4 or IPv6 address of the DNS server in the DNS Server Address text box. Click OK. If you select a specific external network interface, the configured DNS server address is the address bound with the interface and applies only to this interface. If the operation succeeds, the new configuration whose Obtaining Mode is Manual is displayed in DNS Server List. Repeat the preceding operations to add the IPv4 or IPv6 addresses of multiple DNS servers. 4. Optional: In Configure DNS Query Packets' Source Address, set the Source Interface or Source Address. 5. Click Apply .

Whether domain servers and DNS servers must be deployed on the customer’s OceanStor 9000 network
No. If domain controllers and DNS servers have already been deployed on the customer’s network, connect them to Huawei OceanStor 9000. If they have not been deployed, OceanStor 9000 can parse domain names as a DNS server. In addition, with OceanStor 9000, you can use local authentication.

USG firewall configure SSL VPN WEB proxy
The USG firewall configure the SSL VPN Web proxy Web proxy supports external network users through the USG access to the Web server resources, to provide users with HTTP-based Web application services. Before the configuration to ensure that the license file has been loaded, the USG can access the internal network resources. Configuration ideas: 1. Create a virtual gateway in the USG, which can access the Web resources of the intranet through this virtual gateway. The IP address of the virtual gateway is the public network IP. 2. Configure the Web proxy resources so that the external network users can access the WEB service of the internal network through the virtual gateway after logging in to the virtual gateway. 3. Configure the authentication mode as VPNDB and add VPNDB users. VPNDB user name and password is the external network user login virtual gateway need to enter the user name and password.

Does the device allow a server IP address to map multiple domain names
The device allows a server IP address to map multiple domain names.

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