json-server cannot access via local IP

Question

I'm using npm json-server from here. It used to work great for my needs: run a server on my PC and do GET requests to local IP (192.168.1.XX). I reinstalled it and now I can do requests only to localhost or 127.0.0.1. Can't do requests to local IP (cmd ipconfig) anymore. I'm getting this error:

As @fvu mentioned here

this means that the server software is configured to listen on the localhost interface only. This is a configuration item and to avoid exposing a potentially unsecure server many server programs come preconfigured to listen on localhost only.

So is there a way to access this server via local IP as long as json-server doesn't have some extra parameters to enable/disable it?

this solution doesn't work for me. [this issue for me has been solved with this solution](https://stackoverflow.com/questions/57304410/i-cant-access-to-data-in-json-server-from-react-native-with-use-of-fetchs-meth/57324994#57324994) — , Aug 04 '19 at 06:21

Choletski · Accepted Answer · 2019-05-23T08:21:02.917

86

I found the solution for this issue:

json-server --host 192.168.1.XXX my_file.json

Using this command, server is deployed on my local IP, and Windows asks for a firewall exception.

Another solution is to switch to .NET server - another free simple fake server where I can setup local IP as endpoint.

All it needs to:

install .NET

use CMD commands:

   git clone https://github.com/ttu/dotnet-fake-json-server.git
   cd dotnet-fake-json-server/FakeServer
   dotnet run [--file] [--urls]

    #like so in my case:
    dotnet run --file_data.json --urls http://192.168.1.192:57602

edited May 23 '19 at 08:21

answered Jun 26 '18 at 07:28

Choletski

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The host argument for json-server is just what I needed. Thanks! – Ian Mar 07 '20 at 20:46
for me it worked in package.json `json-server --host 0.0.0.0 --watch foo.json` - `$ npm run server` Thanks – bl3ssedc0de May 29 '23 at 05:00

score 19 · Answer 2 · answered Jan 02 '19 at 12:54

Localhost if you will use the same device:

json-server --watch filename.json

the localhost IP is 127.0.0.1 so, you can access this filename.json by 2 ways, either by

In case you want to access the localhost from another computer/mobile device, place the IPV4 address of your computer

json-server --host 192.168.0.xx file.json

You can also assign a port number of your own using this command:

json-server --host 192.168.0.xx file.json --port 4000

then run it on any device connected with the same network using

http://192.168.0.xx:4000/file.json

Finally if you did not understood where did i take this host IP from, Go to command prompt > config /all and look for IPv4 address, copy paste that address to this URL, remember that devices should be on the same network to access this IP.

score 9 · Answer 3 · answered Mar 22 '19 at 20:43

9

Another option that worked for me:

json-server -H 0.0.0.0 -p 3000 -w db.json

Note: You need to enable port 3000 for TCP/UDP through firewall though. Something like this

sudo ufw allow 3000

answered Mar 22 '19 at 20:43

PravyNandas

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I think, Control Panel -> Security Center -> Windows Firewall -> Exceptions -> Add Port (or similar) – PravyNandas Jul 11 '19 at 12:11
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Ah great perfect if your host change from ip. This is the best solution – Johan Hoeksma Sep 21 '19 at 18:45

score 4 · Answer 4 · answered Jul 13 '18 at 18:31

Here's another method that worked for me. If you start json-server using your local LAN IP (e.g. 192.168.1.45), you can access the server using an IP address (but not localhost for some reason). For example...

json-server [insert your JSON file] --host [insert your LAN IP]

Hope that helps!

score 4 · Answer 5 · answered Jun 21 '21 at 12:22

My fake json-server was running on vagrant machine as 192.168.100 and I am using React app to consume it and faced the same issue so I run this command on my vagrant machine (guest OS) and everything works fine after this. i.e. I can access my APIs something like this

192.168.1.100/tasks


npx json-server --watch db.json --port 8000 -H 192.168.1.100

Here db.json is my data file consisting of JSON port is 8000 host is 192.168.1.100 which is the IP address of my server/vagrant machine

AND don't forget to allow port on the firewall (Linux)

sudo ufw allow 8000

score 1 · Answer 6 · edited Apr 18 '20 at 11:51

1

Type this in your command line:

npx json-server <folder/filename> --port <whatever port you want>

I used this, for example:

npx json-server api/db.json --port 3000

edited Apr 18 '20 at 11:51

colidyre

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answered Apr 18 '20 at 07:21

toeyeen

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score 1 · Answer 7 · answered Dec 18 '22 at 15:41

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Use --host 0.0.0.0 it will get your local IPV4 automatically AND -p "SpecifcPort"

answered Dec 18 '22 at 15:41

score 0 · Answer 8 · answered Sep 28 '22 at 23:29

0

In my case

npx json-server --watch fileName --port YourPort

npx json-server --watch db.json --port 3000

answered Sep 28 '22 at 23:29

Bhupesh Joshi

1

Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Oct 05 '22 at 05:51

json-server cannot access via local IP

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