1, click Win7 Ghost Pure version of the system under the "Start-search", in the Search box, enter "Windows Firewall", and then enter;
2. In the open Advanced Secure Windows Firewall window macro, select the inbound rule-new rule item;
3, in the New Inbound Rule wizard window, select Port, and then click the Next button;
4, then enter the need to open the port number 161, click "Next";
5, in the operating interface, click to select the "Allow connection" option, click "Next";
6, then in the Configuration file window, check "domain", "dedicated", "shared" Three profiles, click "Next";
7, then click on the name, enter the name and the corresponding description, such as the name of the input 161, the description of the input MRGT, click "Finish" can be.
Tip: SNMP allows for remote management of devices with SNMP 161 ports open. All configuration and running information is stored in the database, and SNMP can obtain this information, and many administrator's misconfigured configuration will be exposed to the Internet. Cackers will attempt to use the default password public, private access system. Therefore, users are advised to use the MRTG, the timely closure of 161 ports.