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Unreachable TCP ports notably respond with TCP RST rather than a Destination Unreachable type 3 as might be expected. So indeed, your UDP scanning to port 80/UDP simply receives an ICMP unreachable message back because there is not a service listening to that combination or protocol/port.
28 sie 2009 · Folks, from a Windows PC I can do "telnet IP 80" in order to test TCP port status on target host. Any similar command in IOS?
28 cze 2010 · You may need to open up port 80 (or whatever port your website is running on) in the inbound security of your firewall if you are running one. Note: don't forget the app's port if what you want is to debug the app in your iPhone's browser like: http://192.168.0.102:3000 .
In this guide, we'll delve into the causes of the " The Device is Unreachable " error and provide step-by-step solutions to get your iPhone connected again. We have got you covered from simple network resets to more advanced troubleshooting techniques. Part 1: What is the Device is Unreachable Error?
4 wrz 2024 · If you get the device is unreachable error, ensure your iPhone is running the latest version of iOS. If that doesn’t fix it, try adjusting your Image Transfer settings, enabling iCloud Photos,...
9 kwi 2018 · I would go to This PC/AppleiPhone/DCIM and locate the media I wanted to import. Then I would attempt to copy and paste the media into a folder on the desktop. I got the error message "Device is unreachable." I was able to fix this problem by simply changing a setting on my iPhone.
24 lut 2014 · "Connection refused" means that the target machine actively rejected the connection. With port 80 as the context, one of the following things is likely the reason: Nothing is listening on 127.0.0.1:80 and 132.70.6.157:80; Nothing is listening on *:80; The firewall is blocking the connection with REJECT; So check your Apache and iptables config.
