Can't ping my apps

So while I was setting up my server I was using the PC's WiFi adapter and was using host local ip address as app URL & Ping address. Now I finished setting it up, changed to ethernet, changed the apps' address & ping URL, but I'm not getting any ping even though the apps are working like before.

This is from the 'docker logs homarr'
https://logs.notifiarr.com/?5a6211c109dbeee1#FivNFgcWQbJbc3SH3bHnxhFYtZrA7q4dhkMCLXz13HWB

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Solution

I fixed it by setting rules for the ports in ufw (eg sudo ufw allow 32400/tcp)

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