linux - What's the difference in localhost vs 0.0.0.0? - Server Fault
What's the difference in telling a service to run on localhost:xxxx, 127.0.0.1:xxxx and 0.0.0.0:xxxx? I needed to use 0.0.0.0 to get another host to be able to connect to my service.
linux - Why does my hostname appear with the address 127.0.1.1 …
127.0.0.1 localhost 127.0.1.1 myhostname On most 'nixes I've used, the second line is omitted, and if I want to add my hostname to the hosts file, I'd just do this: 127.0.0.1 localhost …
linux - Failed to connect to 127.0.0.1 port 80 - Server Fault
Feb 23, 2015 · I tried $ sudo nmap -sS 127.0.0.1 -p 80 and got info - 80/tcp closed, but how it's possible if running nginx server on port 80? Nmap scan report for localhost (127.0.0.1)
windows - Getting could not connect to server: Connection …
May 6, 2022 · Getting could not connect to server: Connection refused Is the server running on host "localhost" and accepting TCP/IP connections on port 5432 Ask Question Asked 3 years, …
Should 127.0.0.1 and ::1 both be included in /etc/hosts file?
May 2, 2012 · I am new to unmanaged VPS servers and in addition IPv6. Is it necessary to include 127.0.0.1 AND ::1 for localhost in /etc/hosts files for IPv6 enabled servers, or is ::1 …
Difference between 127.0.0.1 and 127.0.1.1? - Server Fault
Aug 6, 2018 · In my /etc/hosts file, I have two lines: 127.0.0.1 localhost 127.0.1.1 hostname What is the difference between the two lines, where do I find the host name?
Who picked 127.0.0.1 to be localhost and why? What meaning …
Apr 26, 2013 · This is ordinarily implemented using only 127.0.0.1/32 for loopback, but no addresses within this block should ever appear on any network anywhere [RFC1700, page 5]. …
MySQL cannot connect via "localhost", only 127.0.0.1
You can check this by seeing if 'host localhost' at the command line returns ::1 as well as 127.0.0.1. If so, you can either remove the ::1 mapping from /private/etc/hosts or reconfigure …
Why am I getting "Connection refused"? - Server Fault
Aug 12, 2021 · The process on port 4296 listens only on the localhost / 127.0.0.1 address and therefore is not accessible from outside. You have to change the configuration (or the program …
Windows 7: "localhost name resolution is handled within DNS …
After 18 years of hosts files on Windows, I was surprised to see this in Windows 7 build 7100: # localhost name resolution is handled within DNS itself. # 127.0.0.1 localhost # ::1 localhost D...