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What is port blocking within LAN? |
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Answer» An Internet Service Provider (ISP) blocks Internet traffic by using the port number and transfer protocol. Blocking certain types of ports within a local area network is known as port blocking. Blocking ports on plug-and-play devices such as USB flash drives, removable devices, CD/DVD/CD-ROM, floppy, and mobile devices like smartphones is among the reasons for port blocking. Suppose your network has DHCP service enabled. When a user connects their laptop to your device, they can obtain your IP address from the DHCP and gain access to your network resources. This is why you should turn on port security if you can to prevent ports from conflicting with MAC addresses and allowing anonymous users to obtain an IP address. |
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