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Should you turn off the router UPnP? After I turned it off, WeChat video went on strike first. After checking the mapping list, I finally understood what it was secretly doing
The UPnP switch in the router's backend—some online posts say it's a security backdoor and recommend turning it off. I messed up and turned it off, but after I did, I couldn't get through to WeChat video first. This article clearly explains what UPnP does, how to check the mapping list in the backend, which households should be closed and which ones to keep untouched, and how to manually forward and restore it after turning it off....
