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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2
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1answer
23 views

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) ...
2
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2answers
108 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 ...
2
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1answer
145 views

/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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0answers
71 views

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 ...
18
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6answers
116k views

Add a hosts file entry without jailbreaking

I have an iPad that needs to be able to connect to a server via its short hostname, e.g. http://app instead of http://app.example.com. The network it connects to assigns it a domain name other than ...
3
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1answer
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 ...
7
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3answers
18k 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 "------...
2
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3answers
2k 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 ...
3
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1answer
2k views

Blocking a website

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 ...
2
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1answer
44 views

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 ...
0
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1answer
328 views

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 ...
4
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1answer
304 views

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....
2
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1answer
163 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 ...
1
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1answer
53 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 ...
1
vote
1answer
117 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 ...
2
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2answers
633 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 ...
2
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4answers
7k 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 ...
0
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0answers
59 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 ...
0
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1answer
241 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
2k 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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0answers
41 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 ...
2
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1answer
179 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 ...
16
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6answers
37k views

How to edit the /etc/hosts file?

When I open the file with TextEdit (I don't want (truly, I am not able) to use vim), it is seen as "locked", even if I modify the permissions of the file via the "Get Info" window. How can I modify ...
0
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0answers
878 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 ...
0
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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$ ...
8
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3answers
19k 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: ...
0
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1answer
1k 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 ...
0
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1answer
1k views

Ping respects hosts overrides - but browsers don't, in spite of DNS cache flushes

I have a baffling problem. Browsers on my system (10.10.3 Yosemite) don't respect overrides included in my hosts file. This includes Chrome, Safari, and Firefox. I have tried rebooting, clearing ...
0
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1answer
80 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"?
1
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1answer
55 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; ...
2
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0answers
106 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 ...
0
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1answer
203 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 ...
0
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1answer
672 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 ...
2
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2answers
4k 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 ?
4
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1answer
1k 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 ...
0
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0answers
259 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 ...
0
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2answers
562 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 ...
1
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1answer
3k 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 ...
1
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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.
3
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1answer
142 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?
2
votes
1answer
1k 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
votes
1answer
697 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
7
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3answers
22k views

Cannot access localhost after upgrade to Mavericks but can access 127.0.0.1

I ran across this question, but it wasn't resolved (and it hasn't been touched in a while). I'm not sure if my issue is the same, but I don't have enough reputation here to comment on that question. ...
2
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5answers
4k views

How make changing to the /etc/hosts file take effect?

I added some lines to my /etc/hosts file to resolve a private hostname, but every time after rebooting, the lines I added get lost. Should there be any setting options to make these changes take ...
1
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1answer
640 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. ...
20
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1answer
20k 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 ...
0
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0answers
59 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 ...
1
vote
1answer
623 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 ...
1
vote
2answers
966 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 ...
6
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1answer
927 views

What are these google host entries that keep showing up automatically in my etc/hosts file?

I went to edit my /etc/hosts file and found a bunch of entries for google urls that I never put there. When I try to delete it, it just comes back. I tried searching google for it but to no avail. ...