[erlang-questions] Unable to access my inets http server from my phone or external PC

austin aigbe <>
Sun Mar 1 22:20:38 CET 2015


Thanks Thomas.

Changing the bind_address to 0.0.0.0 solved the issue.

Surprisingly, the python server is also using 0.0.0.0 and I did not even
notice it.

C:\Users\eausaig>python -m SimpleHTTPServer
Serving HTTP on *0.0.0.0* port 8000 ...


Working version:

-module(web_server).
-export([start/0, stop/0]).

-define(PORT, 8000).
-define(SERVER_NAME, "server1").
-define(ROOT,"C:/Users/eausaig/Desktop/web_server").

start() ->
inets:start(),
{ok, _} = inets:start(httpd,
[{port, ?PORT},
 {server_name,?SERVER_NAME},
 {server_root,?ROOT},
 {document_root,?ROOT},
 {bind_address,{*0,0,0,0*}},
 {directory_index,["index.html"]},
 {server_tokens, full}]).

stop() ->
[{_,_},{_,P2}] = inets:services(),
ok = inets:stop(httpd, P2).

BR,
Austin



bind_address,{127,0,0,1} should be bind_address,{0,0,0,0}. 127.0.0.1 is the
loopback interface and only receives connections from the same host which
is why you can't connect from other devices.

-- 
Thomas van Neerijnen
+4477 1709 7670

On Sun, Mar 1, 2015 at 1:26 AM, Leonard Boyce <>
 wrote:

> Removing the bind_address or set it to a non-localhost IP which is bound
> to your machine should sort it out.
>
> Leonard
> On Feb 28, 2015 6:19 PM, "austin aigbe" <> wrote:
>
>> Hi,
>>
>> I can't seem to access the erlang inets http server (web_server.erl) from
>> my Android phone (using http://<PC IP address>:8000) via WiFi
>>
>> However, I am able to access the python based simpleHTTPServer from my
>> Android phone (using http://<PC IP address>:8000) via WiFi.
>>
>> How do I make my erlang inets server accessible from an external PC or
>> phone?
>>
>> OS: Windows 7
>>
>> %-----------------------
>> % web_server.erl
>> %-------------------------
>> -module(web_server).
>> -export([start/0, stop/0]).
>>
>> -define(PORT, 8000).
>> -define(SERVER_NAME, "server1").
>> -define(ROOT,"C:/Users/eausaig/Desktop/web_server").
>>
>> start() ->
>> {ok, _} = inets:start(httpd,
>> [{port, ?PORT},
>>  {server_name,?SERVER_NAME},
>>  {server_root,?ROOT},
>>  {document_root,?ROOT},
>>  {bind_address,{127,0,0,1}},
>>  {directory_index,["index.html"]},
>>  {server_tokens, full}]).
>>
>> stop() ->
>> [{_,_},{_,P2}] = inets:services(),
>> ok = inets:stop(httpd, P2).
>>
>> BR,
>> Austin
>>
>> _______________________________________________
>> erlang-questions mailing list
>> 
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>>
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