127.0.0.1 is reserved for your machine. There are series of private addresses in each ip class. 127 series and 192.168 series. They will not work on the internet. A port of 53 would look like 127.0.0.1:53.
On Fri, Dec 16, 2022, 11:06 PM ToddAndMargo via users < users@lists.fedoraproject.org> wrote: > > On Fri, Dec 16, 2022, 10:31 PM ToddAndMargo via users > > <users@lists.fedoraproject.org <mailto:users@lists.fedoraproject.org>> > > wrote: > > > > Hi All, > > > > I am use to seeing 127.0.0.1, but now I am seeing > > things like 127.0.0.53. > > > > This is used with my caching named server on > > port 53. > > > > So I figured that the last digit was the (local) > > port. > > > > So I tried CUPS: 127.0.0.631. No joy. CUPS > > still wanted 127.0.0.1:631 <http://127.0.0.1:631>. > > > > So what exactly is the last field in 127.0.0.xxx? > > > > Yours in confusion, > > -T > > > On 12/16/22 19:54, Bill C wrote: > > Up to 255 > > > > Are they the port number? Or is the > "53" a coincidence? > > To me, the port number always comes after > the IP address IP:port > > > _______________________________________________ > users mailing list -- users@lists.fedoraproject.org > To unsubscribe send an email to users-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > Do not reply to spam, report it: > https://pagure.io/fedora-infrastructure/new_issue >
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