Get IP address of visitors using Flask for Python

Question

I m making a website where users can log on and download files  using the Flask micro-framework  based on Werkzeug  which uses Python  2 6 in my case    I need to get the IP address of users when they log on  for logging purposes    Does anyone know how to do this  Surely there is a way to do it with Python

User · Answer

If You are using Gunicorn and Nginx environment then the following code template works for you   addr ip4   request remote addr

User · Answer

This should do the job   It provides the client IP address  remote host    Note that this code is running on the server side   from mod python import apache  req get remote host apache REMOTE NOLOOKUP

User · Answer

If you use Nginx behind other balancer  for instance AWS Application Balancer  HTTP X FORWARDED FOR returns list of addresses  It can be fixed like that   if  X-Forwarded-For  in request headers      proxy data   request headers  X-Forwarded-For       ip list   proxy data split          user ip   ip list 0     first address in list is User IP else      user ip   request remote addr    For local development

User · Answer

Actually  what you will find is that when simply getting the following will get you the server s address    request remote addr   If you want the clients IP address  then use the following   request environ  REMOTE ADDR

User · Answer

httpbin org uses this method   return jsonify origin request headers get  X-Forwarded-For   request remote addr

User · Answer

The user s IP address can be retrieved using the following snippet   from flask import request print request remote addr

User · Answer

See the documentation on how to access the Request object and then get from this same Request object  the attribute remote addr   Code example  from flask import request from flask import jsonify   app route   get my ip   methods   GET    def get my ip        return jsonify   ip   request remote addr    200   For more information see the Werkzeug documentation

User · Answer

Proxies can make this a little tricky  make sure to check out ProxyFix  Flask docs  if you are using one  Take a look at request environ in your particular environment  With nginx I will sometimes do something like this   from flask import request    request environ get  HTTP X REAL IP   request remote addr       When proxies  such as nginx  forward addresses  they typically include the original IP somewhere in the request headers   Update See the flask-security implementation  Again  review the documentation about ProxyFix before implementing  Your solution may vary based on your particular environment

User · Answer

I have Nginx and With below Nginx Config   server       listen 80      server name xxxxxx      location                    proxy set header   Host                  host                 proxy set header   X-Real-IP             remote addr                 proxy set header   X-Forwarded-For       proxy add x forwarded for                 proxy set header   X-Forwarded-Proto     scheme                  proxy pass http   x x x x 8000                 tirtha-r solution worked for me    flask bin python from flask import Flask  jsonify  request app   Flask   name      app route      methods   GET    def get tasks        if request environ get  HTTP X FORWARDED FOR   is None          return jsonify   ip   request environ  REMOTE ADDR      200     else          return jsonify   ip   request environ  HTTP X FORWARDED FOR      200  if   name         main         app run debug True host  0 0 0 0   port 8000    My Request and Response   curl -X GET http   test api         ip    Client Ip

User · Answer

The below code always gives the public IP of the client  and not a private IP behind a proxy    from flask import request  if request environ get  HTTP X FORWARDED FOR   is None      print request environ  REMOTE ADDR    else      print request environ  HTTP X FORWARDED FOR      if behind a proxy

[python] Get IP address of visitors using Flask for Python

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