In this new file, we’re going to have to look at the listen directives again. If you left the default_server option enabled in the last file, you’ll have to remove it in this file. Furthermore, you’ll have to get rid of the ipv6only=on option, as it can only be specified once per address/port combination:```

So I removed the line in the blog.faizanjamil.dev config that contained the ``ipv6only=on`` option.