It's called the loopback address. The private class of ip is not nonroutable.
On Fri, Dec 16, 2022, 11:10 PM Bill C <bill.cu1...@gmail.com> wrote: > 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 >> > _______________________________________________ > 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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