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I created a firewall rule for an application and put into /etc/ufw/applications.d, added that rule with command

sudo ufw allow MyApp

but now I cannot delete it. When I do

sudo ufw delete MyApp

it just prints the list of available commands like my command was invalid, which is what it probably was, but I don't know any other ways.

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up vote 3 down vote accepted

If you just want to delete the rule, the syntax is

sudo ufw delete allow MyApp


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