Questions tagged [hosts]

The hosts file, used to map hostnames to IP addresses. This tag is for questions relating to usage of this file, including reading and modifying its contents to change which IP a hostname is mapped to.

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SelfControl and hosts file failing to block one particular website in safari

I'm having an issue with the app SelfControl not blocking one website, namely Chess.com. It seems to block everything else just fine. I tried entering the domain into my hosts file in terminal as well,...
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LaraDock virtual host not working on macOS Monterey Apache2

I have read many posts on the subject but none refers to exactly the same environment I have (macOS Monterey). So what I have done so far... I have successfully installed the latest versions of ...
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Host certain folder for public access via URL

Hopefully I describe this in the way it can help me. Is it possible for me to host a drive live on a website of mine, in which users anywhere, (not just my network), can access to watch/listen/play ...
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After upgrade from Big Sur 11.2 to Monterey 12.1 Safari ignores HOSTS

For over 10 years I have been using the HOSTS file to block ads and other nasties on both macOS and Windows PCs. (Refer: https://winhelp2002.mvps.org/hosts.htm) It has worked flawlessly, until the ...
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Cannot block site z1.fm from etc hosts

When I try to block some websites on terminal by editing a bad address int /etc/hosts file it works in safari. But when I try to do it with z1.fm, it doesn't. When you type the website on internet, it ...
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Point local device address to external ip when out of home

I have a NAS in my home network which has a domain name of jin.local. I use various things like ssh, smb, and proxy, all using this domain name, not the ip(v4) address. However, this doesn't work when ...
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How do I give PyCharm access to my /private/etc/hosts file?

How do I give PyCharm access to this file?
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Some sites not blocked, /etc/hosts

macOS layman here, I'm trying to block websites natively with mixed results through Terminal using sudo nano /etc/hosts My syntax is 127.0.0.1 www.website.org ::1 www.website.org I've tried various ...
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Command for resolving ip address for host entry in /etc/hosts?

I'm looking for a command that will let me resolve a host name in /etc/hosts to its corresponding IP address. nslookup ignores entries in /etc/hosts file. ping will find entries in /etc/hosts but is ...
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Cannot block some websites in macOS Safari

I cannot block some websites in Safari using the etc/hosts trick. Some websites are blocked, but not all. For example lichess.org and youtube.com aren't getting blocked in Safari (but they are ...
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HOSTS file & Little Snitch

LS 3.8.2, MacOS 10.13.6 (I'm in 'music', slowly updating). It's great having the option to modify the HOSTS file, but with Little Snitch installed it is not read. (I know the hosts file is not read ...
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How can I log edits to the hosts file?

A guy I'm helping fix his Mac and he's got some process on there editing his host file to redirect queries to the Minecraft authentication servers (authserver.mojang.com and sessionserver.mojang.com) ...
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/etc/hosts entries blocking annoying game site (slither.io) in Chrome & Firefox, but not Safari

My lower school-aged son is now home schooling due to the SF Bay Area's COVID-19 school closures. He uses a 2018 MacBook Air with Catalina to complete assignments in web-based learning tools, and I ...
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Why this message "Local hostname is already in use on this network" for the 4th time?

Unlike this question Local hostname is already in use on this network? my computer was already turned on but 'closed' and when I opened it today I received this message: This computer's local ...
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Not able to resolve my domain name on browser

I am using docker for application and modified the hosts file and added domain name on local browser. I added in hosts: 127.0.0.1 xyz.com but when I am trying to open from browser getting the ...
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Block youtube on safari in hosts file

When I try to block websites on terminal (etc hosts..) it works. But when I try to do it with Youtube, it doesn't. Typing youtube.com as a url won't open it, but if I search youtube on google for ...
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Route with /etc/hosts on computer to computer network

Is it possible to change the /etc/hosts file so that the routing is used when a peer to peer network is created, for example, in my /etc/hosts file, I have thisismylaptop.com mapped to 127.0.0.1: 127....
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Incorrect hostname in terminal after factory reset

I wiped out Mac and reinstalled (Mojave) (logout from Cloud, Messages, deauthorized iTunes, erase disk, reinstall). Now my terminal is showing a name that I set up through Preferences -> Sharing on ...
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hosts file: does it pass the domain name? I'm always redirected to the main site configured on the host

My NEW server IP address is 123.456.789.123. Pointing my browser to 123.456.789.123 (http://123.456.789.123) the server serves me site alpha. Now, on the same NEW server I've configured a second ...
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1 answer
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/etc/hosts ignores some entries

Giving the command below shows my /etc/hosts all similarly formatted. Trying Safari to go to facebook.com indeed gives the URL: safari-resource:/ErrorPage.html but for some or many of the other ...
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How can I make a process in macOS use a different hosts file without using a chroot jail?

Unlike Linux, we cannot use HOSTALIASES env var. I believe it is possible to make a process see a different hosts file if I put it in a chroot jail, but I don't want to have to do that for this ...
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How can I make macOS respect HOSTALIASES environment variable?

According to the Apple developer documentation, setting HOSTALIASES will make a process look in that file for hostnames instead of /etc/hosts. However when I tested this with ping and a replacement ...
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Error: "sudo: command not found" when trying to use XAMPP [closed]

I am trying to use XAMPP to create a server on my MacBook. I'm following the tutorial here: https://www.webucator.com/how-to/how-install-start-test-xampp-on-mac-osx.cfm and I'm stuck on the bit ...
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How to give myself permission to edit the locked hosts file on MacOS Mojave? [duplicate]

I am logged in with my admin account, which is my only account on this computer. I checked under preferences and it says "admin". I have located the file here: /private/etc/hosts When I go to ...
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2 votes
2 answers
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What is 'currentHost' for, in defaults?

There are many webpages given over to listing defaults commands in order to configure various parts of the OS. Some of them include the flag -currentHost. The man page for the defaults command ...
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4 answers
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Mojave Hosts File

Was there some new behavior around the /etc/hosts file in Mojave? Cannot get the thing to pick up any new entries which I make in the file. I am restarting the DNS resolver thingy, and I vetted my ...
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2 votes
3 answers
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how to add ip routes with host name instead of ip address?

I want to add IP routes for host that I do not have the IP address for. I basically want tell macOS to search for a host in a specific interface: sudo route add -host <myHostname> -iface en7 ...
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2 votes
2 answers
788 views

OSX Sierra, trouble with virtual hosts

I'm trying to create a separate virtual host on a Mac for a local project, which would not be http://localhost/ibb but, for example: http://ibb.local. For this I carefully followed the next ...
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How do I put an HTML page to be displayed when opening a website from hosts file?

Hosts file is blocking access to some websites. How do i put custom HTML instead of default message "This site can’t be reached"?
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1 vote
1 answer
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Hostfile not working for subdomain

I'm trying to setup custom A records for domains via /etc/hosts on my OSX 10.13.2 MBP. It usually works just fine, first time that it works only for 1 of the 2 domains: 1.2.3.4 dev.com (works; ...
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Before update to High Sierra httpd-vhosts.conf is empty

I just upgraded from Sierra to High Sierra. Apparently everything works fine. But when testing my works in local (Web developments in PHP, etc) I see that none works. Checking and looking for where ...
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my local development /etc/hosts redirect works only on chrome

I am confused why my host name in /etc/hosts works for Google Chrome only. Not on Safari, not on Firefox, not from command-line tools like curl. ## # Host Database # # localhost is used to configure ...
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Change hosts file does not have any effect

I have edited the /etc/hosts file on macOS 10.12.6. Then trying to flush the DNS services has no effect, why? Here is what I have done: cd /etc sudo cat hosts sudo cat -te hosts ##$ # Host Database$ ...
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Is it possible to use etc/hosts to block a specific part of a whole website

I know how to use etc/hosts to block something such as youtube.com However, I when I try to use etc/hosts to block something such as: youtube.com/user/TEDtalksDirector nothing seems to happen. Is it ...
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dns lookup specified in /etc/hosts and then dscacheutil != differ from dig, host, chrome

Via a long chain up of OS upgrades I'm running macOS Sierra 10.12.5. Setting entries in my /etc/hosts file is working only occasionally, mostly not. For example on a freshly rebooted machine. With ...
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2 votes
2 answers
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How can I delete one of my devices from the "lists of known hosts (ECDSA)" after connecting to it with SSH?

How can I delete one of my devices from the "lists of known hosts (ECDSA)" after connecting to it with SSH on Sierra ?
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5 votes
1 answer
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Protect hosts file

I am under the impression that there is no real way to protect the hosts file completely without creating a none-admin user account on my Mac and setting the password of the admin account to one that ...
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editing DNS rules locally in macOS 10.12

When I develop web sites I like to have them run locally and responding to a more useful name than localhost/site. It used to be you could write rules in hosts pointing to 127.0.0.1. It would seem you ...
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2 answers
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removed /etc/hosts on a mac and now can't sudo

I think I made a mistake by editing /etc/hosts within sublime text, because immediately afterward I was unable to run "sudo xxx". It would ask for a password, and then never resolve once I'd typed it ...
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2 votes
1 answer
4k views

File launches in Launchctl with PID - Status 1

I have a Python program that writes to the /etc/hosts file. It works correctly manually entered using the sudo command. I want it to open automatically. I can load it into sudo launchctl but it ...
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4 votes
1 answer
230 views

Danger in not maintaining known_hosts file?

I am not sure what all hosts I have accumulated over time under my ~/.ssh/known_hosts file are. Is there any risks in keeping all hosts' addresses or doesn't it make any difference?
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2 votes
1 answer
2k views

Editing/removing hostfile on jailed iPhone

So guys I've done a very silly thing. I've installed a tweak that blocks ad websites, but apparently it blocks every connection on the internet(things using DNS, but now all the things use it) I only ...
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3 votes
1 answer
793 views

How to block an app's access to a specific website using the hosts file?

I want to block an app from connecting to a specific website using the hosts file. How can I do that? Is something like this possible: 127.0.0.1 foo.com:spotify
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Mapping ::1 to 127.0.0.1

I am no expert in DNS or IPv6. I am using a brand new Mac with what seems to be the default: 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost I have enabled Apache. ...
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how i can disable writing /etc/hosts file in MacOS

i got some problem, i want to disable [removing, deleting or writing a file] via administrator (sudo user) in MacOS. for example i want a create a some db of blocked websites without any web ...
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23 votes
1 answer
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Cannot ping my local machine

I have just updated my Mac to macOS Sierra 10.12. My hostname is ninjaPixels-Macbook-Pro and if I run: ping ninjaPixels-Macbook-Pro.local or ping ninjaPixels-Macbook-Pro I get an error of unknown ...
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1 vote
1 answer
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Why can I still access blocked sites in /etc/hosts?

I've been trying to setup launchd to block several websites on OS X 10.11.6 The /etc/hosts list is changed on schedule but a browser can still access the blocked sites. Another strange behavior is ...
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8 votes
4 answers
28k views

Local hostname is already in use on this network?

When I turned my computer on this morning this is the message I received: This computer's local hostname "----Macbook-pro.local" is already in use on this network. The name has been changed to "------...
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1 vote
2 answers
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change permission /etc/hosts?

I'm getting into Vagrant and I installed a plugin that update my Mac's /etc/hosts to add a domain and map the IP address to the domain. The only problem that in order to change the file, it needs ...
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3 votes
1 answer
2k views

User specific host file

I would like to add a user specific host file on my Mac (El Capitan 10.11.5) to a users home directory and have this be checked in addition to /etc/hosts when resolving domain names. I found a ...
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