I ufw deny 53, but an nc scan reports a successful connection

port ufw nc

ufw does not block any localhost connections. These are always allowed.

Related

CentOS 7, how to prevent any process from suspending my server?
I want to execute this job every 2nd and 4th week Monday to Friday
Syntax for apache RewriteRule to match %-encoded URLs? (to fix character encoding issues; windows-1252 <=> utf-8 )
Kubernetes through Virtualbox; Pods can't access internet services
Cannot join Google Cloud VM to Azure AD Domain Services
Using @Headers with dynamic values in Feign client + Spring Cloud (Brixton RC2)
How to install docker in docker container?
Download python library from Github "requires a different Python"
Printing the exponent in scientific numbers with superscript characters
What is the construction order in a "diamond problem" where a class is derived from three base classes?
Django: How to get parameters used in filter() from a QuerySet?
Eventbridge bus: can't receive messages on custom event bus?