(Iptest is a public IP detection and port mapping detection software developed by Nanning NetMan Computer Co., Ltd. after filling in the port and clicking "detection", the server of "NetMan" will initiate a TCP connection to the port specified by the machine. If the connection can be successfully created, it means that the machine is in the state of public network or the port mapping specified by the machine is normal. [main functions] 1 Detect public network IP2 Detect intranet ip3 Check whether the port mapping is successful 4 Check whether the computer is in the public network [how to use] after the installation is successful, double-click, and the internal network IP and public network IP of the computer will be displayed at the bottom of the pop-up interface. If you want to check whether a port has been mapped or whether the mapping is successful, enter the port number and click Detect. If you can connect, it proves that the port has been mapped correctly, otherwise it indicates that the port has not been mapped correctly or the network firewall has not been closed. If the software you use needs the local machine to be connected remotely, it is very necessary to use iptest to detect it first. For example, when you use remote control software such as VNC, grey dove, black hole, PcAnyWhere, you can use iptest to detect whether the local machine can be connected first. If it cannot be successfully connected, you certainly cannot use these software normally. Note: in order to ensure the accuracy of the detection, all network firewalls of the machine must be closed before using iptest, including the windows firewall of the system, otherwise the detection result is incorrect. Official website: netman123/
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