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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1answer
49 views

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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0answers
17 views

How to make Chrome look for local DNS

MacOS Version: 10.14.5 Chrome Version: 75.0.3770.100 I have entered an entry in my /etc/hosts like below ## # Custom hosts ## 127.0.0.1 jupyter.dev ::1 jupyter.dev My traceroute ...
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1answer
39 views

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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MacOS prefer /etc/hosts over DNS

My Mac is running dual stack IPv4/IPv6 which works fine. In my /etc/hosts I have added a IPv4 pointer to my development VM like so: website.test 10.10.10.35 This works fine. But I noticed that some ...
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1answer
39 views

/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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34 views

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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1answer
54 views

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 ...
1
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1answer
768 views

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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33 views

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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1answer
35 views

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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0answers
671 views

How is iOS to host communication done with TCP to USB?

I am looking for a good primer on information about accessing the data streamed from iOS devices to a host via USB. I've found this is done through TCP, I think. But concrete info is what I'm looking ...
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4answers
5k views

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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2answers
155 views

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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2answers
400 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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1answer
40 views

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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1answer
46 views

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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0answers
102 views

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 ...
2
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1answer
145 views

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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1answer
1k views

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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1answer
167 views

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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1answer
414 views

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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2answers
2k views

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 ?
2
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1answer
718 views

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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0answers
239 views

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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2answers
441 views

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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1answer
2k 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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1answer
124 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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1answer
650 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 ...
3
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1answer
567 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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1answer
531 views

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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0answers
48 views

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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1answer
15k views

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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1answer
515 views

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 ...
6
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2answers
12k 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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2answers
655 views

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 ...
2
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1answer
1k 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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3answers
4k views

how to block youtube in the hosts file

I know how to block websites in the host file and it works with others, but with YouTube i just can't get it to work. What am I missing? 127.0.0.1 youtube.com 127.0.0.1 www.youtube.com
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2answers
727 views

Adding website to block via /etc/hosts not working

I block some websites via /etc/hosts on my machine. But for reddit.com it does not work. What does I have to do? ## # Host Database # # localhost is used to configure the loopback interface # when ...
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2answers
56 views

Where to insert a custom item in /etc/hosts file?

The default /etc/hosts file looks like this: 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost If I want to insert a custom item, should I insert it after the ...
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1answer
2k views

Blocking an IP address

I need to block a particular website on my Mac (OSX 10.11.1, El Capitan). I have already made the changes to /etc/hosts but the website is still not blocked when testing from Chrome. I think this has ...
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3answers
2k views

How can I force Google SafeSearch on my kids' Mac?

I'm pretty sure there's a way to force enable Google Safe Search by editing a hosts file on my kids' Mac. Can someone tell me how? I'm guessing I need to sudo nano /etc/hosts According to How to: ...
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1answer
845 views

Why is there a hosts.equiv file in my /etc folder?

I'm running OS 10.11.1 on my Macbook Pro. I should also preface my question with the admission that my knowledge of the Mac OS is practically zero. I was looking at (not editing) the hosts file in ...
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2answers
343 views

Keyboard Maestro: How to write to /etc/hosts file

So I have been using an app called Self Control to block certain sites globally on my machine so I'm not distracted when I work. The method this program uses is edit your /etc/hosts file and redirect ...
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1answer
235 views

xampp + mac os x issues

just installed XAMPP and have tried setting up a local server but the address won't resolve. It will lead to a "Connection Was Reset" error. I tried looking in the logs but none were present so I'm ...
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2answers
625 views

What happens if I edit a duplicate Hosts file?

What exactly is a duplicate file? When I wanted to edit the hosts file (/private/etc/hosts), it says: You don't own the file "hosts" and don’t have permission to write to it. You can ...
6
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3answers
15k views

/etc/hosts will not update/refresh at all

I add to my /etc/hosts file this : 127.0.0.1 youtube.com Save the file. Flush everything with : dscacheutil -flushcache; sudo killall -HUP mDNSResponder Reboot my computer 30 times. Then I run: ...
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0answers
48 views

Terminal Command to Edit Hostname [duplicate]

How can I edit the Hostname of my MacBook Pro via the CLI? Currently running Mac OS X Yosemite (Version 10.10.5).
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1answer
2k views

How to edit hosts with TextEdit on Yosemite?

This line used to work sudo -b "/Applications/Textedit.app/Contents/MacOS/TextEdit" /etc/hosts But on Yosemite, it does not work anymore.
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0answers
79 views

OSX etc/hosts not blocking one particular site

I've used etc/hosts to block a lot of sites without issue, however I'm trying to add in filterbypass.me to the list but it won't work. I've tried adding: filterbypass.me as well as all the http/https/...
3
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1answer
697 views

Hosts file being reset after every reboot

My /private/etc/hosts file is being reset after every reboot. I can make my changes, save the file, and it will work. Right up until I reboot my Mac. Has anyone found a work around for this or a way ...