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Re: 127.0.1.1 line, was Re: chrome web browser worthless

On 8/2/23 16:26, David Wright wrote:

On Wed 02 Aug 2023 at 16:00:24 (-0400), gene heskett wrote:

On 8/2/23 15:15, Brian wrote:

On Wed 02 Aug 2023 at 14:52:26 -0400, gene heskett wrote:

On 8/2/23 14:26, Brian wrote:

No - that isn't the way it works. Give what is asked for, not a censored
version that suits you.


ok, same cat in full:
gene@bpi52:~$ cat /etc/hosts
127.0.0.1       localhost
192.168.71.1    router.coyote.den	router
192.168.71.3    coyote.coyote.den       coyote
192.168.71.4    sixty40.coyote.den      sixty40
192.168.71.7    vna.coyote.den          vna
192.168.71.8    rock64v2.coyote.den     rock64v2
192.168.71.9    bpi51.coyote.den        bpi51
192.168.71.10   go704.coyote.den        go704
192.168.71.11   bpi53.coyote.den        bpi53
192.168.71.12   bpi54.coyote.den        bpi54
192.168.71.13   rpi4.coyote.den         rpi4
192.168.71.21   scanner.coyte.den       scanner
192.168.71.22   rock64.coyote.den       rock64
192.168.71.23   bpi52.coyote.den        bpi52
192.168.71.25   tlm.coyote.den          tlm
192.168.71.50   dddprint.coyote.dn      dddprint
31.184.194.81   Sci-Hub.se


Where is the line with 127.0.1.1? Debian always provides that.


True, but I've never seen a description of what that does or what its
for.
Interesting. Is there a Debian specification that explains the 127.0.1.1 entry? 


<snip>


So I've removed it from every machine here because its out of
scope for 127.0.0.1.



Gene -- by "it", do you mean the 127.0.1.1 entries?



I'm not sure what you mean by scope. 127.0.0.0 is /8 isn't it?



That is my understanding, and what Wikipedia says:

https://en.wikipedia.org/wiki/Reserved_IP_addresses says:
127.0.0.0/8 127.0.0.0–127.255.255.255 16777216 Host Used for loopback addresses to the local host.[1]
So, both 127.0.0.1 and 127.0.1.1 are in the IPv4 special use address block 127.0.0.0/8. 


David
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