Questions tagged [hosts]

host is any machine or computer connected to a network and can offer information, resources, services and applications to users or other nodes in the network.

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1064 votes
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How to clear/flush the DNS cache in Google Chrome?

As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?
Mee's user avatar
  • 10.8k
290 votes
11 answers
876k views

Remove key from known_hosts

I built several virtual machines during the last few weeks. The problem is, the .ssh/known_hosts gives me the Man in the middle warning. This happens because another fingerprint is associated with the ...
Adam Matan's user avatar
  • 8,360
170 votes
7 answers
112k views

Don't add hostkey to known_hosts for SSH

I want to connect to a host via SSH but I don't want the hostname to be added to my ~/.ssh/known_hosts. How can I do that?
Albert's user avatar
  • 6,651
90 votes
5 answers
218k views

Using wildcards in names in Windows hosts file

Is there a way to create a wildcard domain in the Windows hosts file. I tried this xxx.xxx.xxx.xxx *.somedomain.com This does not work, is there maybe some other syntax I should use? I am ...
Saif Bechan's user avatar
  • 3,315
42 votes
1 answer
78k views

What's the Windows equivalent of "/etc/hosts"? [duplicate]

I can block my little brother from accessing a website on my Mac by adding the following line to my "/etc/hosts" file. 127.0.0.1 someaddictingwebsite.com Do Windows systems have a file ...
David Faux's user avatar
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38 votes
1 answer
85k views

How to alias a hostname on Mac OSX

In a nutshell, I would like to be able to open a browser and open local.example.com but it actually loads http://localhost/path/to/example.com/ I am using Mac OSX 10.5, and not afraid to get my hands ...
Austin Hyde's user avatar
  • 1,074
29 votes
2 answers
120k views

How do you add an IP address/hostname pair to the host file in Windows 7?

Our network IT people hate us, so our IP addresses are not entered into the DNS lookup automatically if we run a non-Windows OS. How do I get my Windows 7 machine to find the non-Windows OS ...
Jay R.'s user avatar
  • 641
27 votes
4 answers
43k views

Adding a line into the hosts file, getting permission denied when using sudo - Mac

I'm trying to add a line into the hosts file on my Mac by executing a one line command on the terminal. I thought this would be easy using sudo, but it returns "permission denied" when I try to add &...
Mint's user avatar
  • 148
27 votes
8 answers
72k views

OSX Sierra hosts file is ignored

For some reason, two days ago my hosts file started being ignored. I'm using Mac with Sierra OSx . This is the current content of the /etc/hosts file ## ## # Host Database # # localhost is used to ...
T1000's user avatar
  • 373
26 votes
8 answers
31k views

Does Firefox ignore the hosts file? How to make Firefox honor the hosts file

I'm using Firefox browser in Ubuntu 18.04. I made an experiment where I want some domain names to be resolved to another IP address than their actual one. Firefox seems to ignore the IP in the hosts ...
user9371654's user avatar
  • 1,207
25 votes
3 answers
10k views

Remove ads in Viber for PC [closed]

How do I disable ads in Viber for PC - version 11.4 (2019). The hosts file trick no longer works (the following one): 127.0.0.1 ads.viber.com 127.0.0.1 ads.aws.viber.com 127.0.0.1 ads-d.viber.com ...
Coder12345's user avatar
16 votes
3 answers
64k views

Windows hosts: how can I redirect HTTPS site?

I have the following in my C:\Windows\System32\drivers\etc\hosts: 127.0.0.1 example.com It works when I use: http://example.com But does not work when I use: https://example.com, which gives error ...
yarek's user avatar
  • 621
15 votes
2 answers
23k views

windows 10 hosts file entries been commented out

Windows 10 is commenting out my hosts file entries. This happens periodically so every 1 hour. Although I manage to save the changes but they will be commented out after around 1 hour. I never ...
Sul Aga's user avatar
  • 253
13 votes
1 answer
45k views

How to change IP address to point to localhost?

A sandbox enviroment of a web app is reachable directly by an IP address: http://<my_ip_address> without a login name. Is there a way to make a virtual host in my local machine, named as <...
Michele's user avatar
  • 253
13 votes
3 answers
22k views

How come hosts file redirection fails?

I am trying to redirect google.com to my local machine for fun and learning with this /etc/hosts file on my Mac. 127.0.0.1 www.google.com However, www.google.com still maps to the Google home page ...
David Faux's user avatar
  • 4,829
12 votes
2 answers
2k views

What does this entry in hosts-file mean: 192.168.3.2 NPI2A54EA

I took over a Windows 7 PC from a developer and in the hosts file there was this entry: 192.168.3.2 NPI2A54EB Does anybody know why this would be entered there and if this could be a virus or would ...
ManOnAMission's user avatar
12 votes
1 answer
16k views

How to list all DNS names pointing to an IP?

I know – for example – that there are two DNS names for an IP. However nslookup ip only returns one record. How do I get all the records for an IP?
user705414's user avatar
  • 1,395
12 votes
2 answers
4k views

Is there a utility to ping a server using aliases in ssh config (instead of /etc/hosts)?

I'm trying to standardize my server aliases across projects by linking together ssh config files that I can keep under version control. I'd like to be able to just define machine aliases along with IP ...
Peter Groves's user avatar
12 votes
3 answers
25k views

Hostname redirection using Hosts file

We can use C:\WINDOWS\system32\drivers\etc\hosts file to map hostname with IP addresses like this 127.0.0.1 localhost But is it possible to assign one hostname to another like this? ...
bdhar's user avatar
  • 541
11 votes
2 answers
32k views

Can a router map a URL to a local ip?

I'm setting up a facility with many different computers where I don't have access to their hosts files. How would I map test.com to a local server without using the hosts file? Can this be done using ...
Sauce McBoss's user avatar
  • 2,155
11 votes
3 answers
5k views

Mac OS X "hosts" file, can I include other files with it?

I am working on some automation scripts to configure my network settings, hosts file contents, and /etc/resolver files, when accessing different networks I frequent between. There are some ...
Lasse V. Karlsen's user avatar
11 votes
2 answers
12k views

Hosts file location in Windows 7

I know the hosts file should be under C:\Windows\System32\drivers\etc\ But for some reason, I don't have the etc directory there at all. In fact, I searched for "hosts" under C:\Windows and found ...
Jonathan's user avatar
  • 3,769
10 votes
5 answers
23k views

DNS lookup fails but nslookup works

I have DNS lookup problems on my internal network. I'm using an internal DNS server with the IP 192.168.1.254. If I use nslookup everything works like it should: >hawk:~ user$ nslookup ...
Thomas Lundström's user avatar
9 votes
4 answers
11k views

Unable to block a website through System32/drivers/etc/hosts

I am trying to block social media and news websites on my local machine (Windows 7). I added the below lines into my hosts file: 127.0.0.1 www.thatstamil.com 127.0.0.1 www.facebook.com In that ...
Anto S's user avatar
  • 193
9 votes
2 answers
84k views

How do I set an alias name in the hosts file?

I have a production server, on which three different application are running. I need to configure aliases for that server, according to which application needs to be accessed by the user. How do I ...
user11222's user avatar
  • 249
9 votes
1 answer
3k views

Host-based snakeoil certificates in Ubuntu

How to create snakeoil a certificate and a key for a given host in Ubuntu?
Alex's user avatar
  • 471
9 votes
2 answers
8k views

Should I restart a service or a interface to apply Windows' hosts configuration file changes?

After I change the file %SystemRoot%\system32\drivers\etc\hosts Should I restart something?
Jader Dias's user avatar
8 votes
3 answers
16k views

Resolving UNC path using hosts file

I'm having a problem accessing a UNC path in Windows Server 2008 using the hosts file. My hosts file looks like: 10.x.x.x server_1 When trying to access the unc path: This works: \\10.x.x.x\...
user avatar
7 votes
5 answers
11k views

HOSTS File Edit in Windows 7 Not Effective - Pinging URL Still Shows Original IP Address

I've edited my HOSTS file on my Windows 7 Ultimate PC to re-route a couple of URLs so that they point to 127.0.0.1, but after saving the file (and re-opening to verify the changes were written) and ...
Sootah's user avatar
  • 589
7 votes
2 answers
9k views

Quickly edit / change hosts file on Windows

I routinely need to add / remove / update hosts on a Windows 7 machine to add links to staging / test servers. On Mac I can use ghosts with the syntax ghost add staging-server.local 67.207.136....
Tom's user avatar
  • 411
7 votes
4 answers
25k views

Windows 7 stopped using the 'hosts' file for DNS resolution

I am running Windows 7 Home Premium 64-bit. Starting today, I noticed that DNS resolution is not reading my %SYSTEMROOT%\System32\drivers\etc\hosts file. I say this because I added two new entries to ...
AJ.'s user avatar
  • 4,021
7 votes
5 answers
2k views

Viable to virtualize my laptop?

I have a laptop that I'd like to run multiple operating systems on, at the same time. Specifically, I'd like to be able to boot up a Windows 7, if needed, a Windows XP, if needed, and a Ubuntu desktop,...
Lasse V. Karlsen's user avatar
7 votes
2 answers
2k views

How can I route a domain to my box at home?

I currently own my own domain, and have been using dyndns.com's "custom DNS" to allow me to redirect 'example.com' to my website at home, which is on a dynamic IP. I've now switched over to a VPS ...
Eddie Parker's user avatar
  • 2,914
7 votes
3 answers
28k views

Custom host file for Firefox

Instead of changing my host file I'd like Firefox to think my domain is on my own server while my other browser uses the real IP address. I used to edit my host files but that forces both browsers to ...
user avatar
6 votes
1 answer
35k views

How can I map multiple hostnames to localhost?

I'm testing an application on my PC, this application connects to various servers so I need to mimic that on my box. How can I map hostnames to 127.0.0.1? localhost already refers to 127.0.0.1, but ...
user155695's user avatar
  • 3,619
6 votes
3 answers
38k views

How can I modify my hosts file? It is read-only and cannot be modified even as Adminstrator.

Does anyone know how to modify entries on the hosts file when it is marked as read-only? I have tried unchecking the Read-only tick box, but I get an Access is Denied error, and I'm running as the ...
Jaime Garcia's user avatar
6 votes
2 answers
25k views

How to block IP Address via Windows Host

I want to block access to a certain ip address via windows host. This is the ip address 41.190.8.17. And this is the content of my host file. # localhost name resolution is handle within DNS itself....
Mob's user avatar
  • 407
6 votes
5 answers
2k views

ports and what they do

I am curious as to what a port number does. Are there specific port numbers for specific things? I know there is port 80 and I heard of 8000 in passing. I don't know why they are called that and ...
user avatar
6 votes
4 answers
4k views

Map localhost to IP address on Windows XP & Internet Explorer 7+?

I'm trying to map 'localhost' to an IP address elsewhere on the network, say '10.0.1.1' for example. I've tried editing my hosts file, changing the entry from: 127.0.0.1 localhost to 10.0.1.1 ...
roblocop's user avatar
6 votes
5 answers
5k views

Firefox not taking note of /etc/hosts?

I've set foo.com to 127.0.0.1 in my /etc/hosts file in (located here on Windows: C:\Windows\System32\drivers\etc\hosts). Though Chrome loads foo.com with the one hosted locally on port 80, Firefox ...
A T's user avatar
  • 791
6 votes
4 answers
8k views

Block website on Windows without host file

Is it possible to block website on Windows without modifying hosts files? The reason I do not want to use it is that users need administrator options to modify it. I need some easier way to block a ...
Giorgi's user avatar
  • 641
5 votes
3 answers
18k views

How to alias a hostname?

Is it possible to keep a network alias - without specifying the IP address in the hosts file? For instance, I have abcd.efgh.com but want abcd -> abcd.efgh.com so that ping and ssh work as they ...
Jonas Byström's user avatar
5 votes
1 answer
29k views

Can a host file DNS entry point to multiple Ip addresses?

Can a host file DNS entry point to multiple Ip addresses ? basically i want have to ad servers , but no balancer due to port issues , the solution i think is host file entry ,but can one dns point ...
Ankit Jindal's user avatar
5 votes
2 answers
11k views

Is there a way to 'include' a separate file in /etc/hosts?

Is there any way to 'include' another file within the /etc/hosts file? Particularly I want to include a non-protected (-rw-rw-rw) file so I can easily edit it in something like TextMate without having ...
lawnmowerlatte's user avatar
5 votes
3 answers
6k views

hosts file and unblocked subdomains

I modified hosts file to block google.com and its subdomains but it blocks only the main domain name. It does not block the subdomains. Windows 7 Starter 127.0.0.1 google.com It blocks google.com ...
ilhan's user avatar
  • 554
5 votes
2 answers
1k views

In your ssh config is it possible to have one host entry for multiple machines on the same domain

I'd like to be able to do something like Host * HostName *.mydomain.com ... So I can type something like ssh test ssh ci ssh dev Instead of having to type ssh test.mydomain.com ssh ci....
Joshua Olson's user avatar
5 votes
2 answers
13k views

http://localhost:3000 works, but http://127.0.0.1:3000 doesn't

I'm building a Rails application on my local dev machine. When running my local server, I can access http://localhost:3000 without a problem. However, when I try to navigate to http://127.0.0.1:3000, ...
LandonSchropp's user avatar
5 votes
4 answers
4k views

Redirect browser to different host and port

Background, Running windows 7, FF3.5, and am an admin. I recieve emails from an internal company service that has links. The problem is the links don't work from my office. If the resource is http://...
user avatar
5 votes
2 answers
1k views

Can one make a Macbook behave like a USB-Drive

Is there a Way to emulate an usb-drive with a Macbook? I do not mean to emulate usb drives on my macbook! I would like to plug a double usb cable to my macbook and e.g. my TV. I want the TV to think ...
nurx's user avatar
  • 51
5 votes
4 answers
22k views

VirtualBox host-only network, cannot ping host from guest

I have the following setup: Host machine Windows: IPv4 Address. . . . . . . . . . . : 192.168.0.103 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192....
t7e's user avatar
  • 701

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