Its called loop back address, An address that sends outgoing signals back to the same computer for testing. In a TCP/IP network, the loopback IP address is 127.0.0.1, and pinging this address will always return a reply unless the firewall prevents

The address 127.0.0.1 is defined by the TCP/IP protocol as a reserved address that routes packets back to the host. Thus, no computer connected to the Internet, or any other TCP/IP compliant network, can identify itself as 127.0.0.1. The Internet Engineering Task Force's RFC 3330 defines 127.0.0.1 and 12 other special-use IPv4 addresses. listener "tcp" {address = " 127.0.0.1:8200 " tls_disable = 1} After modifying the vault we make sure to stop and start the vault service. env | grep VAULT returns the 127.0.0.1 is no faster any other local ip. The local ip fast, because it doesn't use physical device and 2-layers. (It never hits your NIC) "Failed to open TCP connection to 127.0.0.1:4444 (Connection refused - connect(2) for \"127.0.0.1\" port 4444)" of the 18 results googling up this issue the only thing I saw that seemed actionable mentioned creating a bridge, which I don't really understand. Any suggestions on how to correct this would be greatly appreciated. Aug 16, 2015 · What is the IP Address 127.0.0.1? 127.0.0.1 is the loopback Internet protocol (IP) address also referred to as the localhost. The address is used to establish an IP connection to the same machine or computer being used by the end-user. The same convention is defined for computers that support IPv6 addressing using the connotation of ::1. Jun 01, 2018 · • export PULSE_SERVER=tcp:127.0.0.1; In order to let Linux apps know there is a PulseAudio server running at 127.0.0.1, we need to export the 'PULSE_SERVER' environment variable. • taskkill /IM pulseaudio.exe /F Pulseaudio.exe has its own '--kill' command line switch for terminating the running instance.

1 #!/usr/bin/env python 2 3 import socket 4 5 6 TCP_IP = ' 127.0.0.1 ' 7 TCP_PORT = 5005 8 BUFFER_SIZE = 1024 9 MESSAGE = " Hello, World! " 10 11 s = socket. socket (socket. AF_INET , socket . SOCK_STREAM ) 12 s . connect (( TCP_IP , TCP_PORT )) 13 s . send ( MESSAGE ) 14 data = s . recv ( BUFFER_SIZE ) 15 s . close () 16 17 print " received

An attempt was made to access a socket in a way forbidden by its access permissions 127.0.0.1:25 at System.Net.Sockets.Socket. This is Windows 7 machine. I have code to send email in Windows xp. I uninstalled my virus program. disable windows defender. deactivated UAC. No entries in event log. The smtp server is running. Using localhost in IIS

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