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  1. What is difference between localhost address 127.0.0.1 and 127.0.1.1

    Apr 6, 2016 · 127.0.0.1 is the loopback address, commonly known as localhost, which is the name that resolves to it by the local hosts file. This file is in different locations depending on the OS, but in most …

  2. Remote Desktop from Windows onto Ubuntu 22.04 takes me to a …

    Apr 24, 2022 · Connecting to sesman ip 127.0.0.1 port 3350 sesman connect ok sending login info to session manager, please wait... login failed for display 0 If I click Ok the it takes me back to the login …

  3. Why are all my DNS queries received from 127.0.0.1?

    The IP address 127.0.0.1 means localhost, i.e. it refers to your computer. The DNS response is coming from your computer. The host program, like all other programs on the system, knows which DNS …

  4. xRDP connection failed: login failed for display 0 + rejection

    Nov 3, 2021 · Specific info On firewall $ sudo ufw status verbose Status: inactive On packages $ dpkg -l | grep xrdp ii xorgxrdp 1:0.2.12-1 amd64 Remote Desktop Protocol (RDP) modules for X.org ii xrdp …

  5. What is the loopback device and how do I use it? - Ask Ubuntu

    Apr 9, 2017 · That is, 127.0.0.1 through 127.255.255.254 all represent your computer. For most purposes, though, it is only necessary to use one IP address, and that is 127.0.0.1.

  6. Port seems to be open, but connection refused - Ask Ubuntu

    For example, if you give 127.0.0.1 you can only receive connections from the 127.*.*.* IPs (localhost really), or from other computers with seriously botched routing tables which would access yours for …

  7. netplan - why is ubuntu assigning ip 127.0.0.1 - Ask Ubuntu

    Mar 26, 2021 · A loopback address is a special IP address, 127.0. 0.1, reserved by InterNIC for use in testing network cards. This IP address corresponds to the software loopback interface of the network …

  8. Error/problem connecting (Windows 10 RDP into XRDP)

    Jul 13, 2016 · Connecting to sesman IP 127.0.0.1 port 3350 sesman connect ok sending login info to session manager, please wait... srdp_mm_process_login_response:login successful for display …

  9. postgresql - psql: connection to server at "localhost" (127.0.0.1 ...

    Dec 27, 2023 · psql: connection to server at "localhost" (127.0.0.1), port 5432 failed: Connection refused Is the server running on that host and accepting TCP/IP connections?

  10. Microsoft fixes Windows bug breaking localhost HTTP connections

    Oct 17, 2025 · Microsoft has fixed a known issue breaking HTTP/2 localhost (127.0.0.1) connections and IIS websites after installing recent Windows security updates.