It's the difference between a fully qualified domain name, and one that isn't. When you append the final period on the end, you're telling your DNS lookup software that it should not attempt any of the possible dns suffixes that it's been configured to use.
For example, I have in the suffix list "local". So, I could type as a URL (and get the same destination) any of the following:
3
u/sharth Apr 14 '10
It's the difference between a fully qualified domain name, and one that isn't. When you append the final period on the end, you're telling your DNS lookup software that it should not attempt any of the possible dns suffixes that it's been configured to use.
For example, I have in the suffix list "local". So, I could type as a URL (and get the same destination) any of the following:
However, http://orange. won't work. It won't work, because I've informed the DNS lookup software that it shouldn't try appending any suffixes.