Proxy validity detection: proxy IP detection tool to use

Teach you to pull out the invalid proxy IP handily

What are you most afraid of when you are doing data collection or batch operation? It must be the proxy IP suddenly jerk ah! Today we will nag how to use the tool to pull out those unreliable agents, guaranteed than the object of investigation cell phone is also accurate.

Inspection Tools Practical Manual

Let's start with a cold one:The detection tools for 80% on the market are all similar in principle, the key depends on how you use it. Here are three recommended must-tests:

 Python example (detection with requests library)
import requests

proxy = {"http": "http://username:password@ip:port"}
try.
    resp = requests.get('http://httpbin.org/ip', proxies=proxy, timeout=10)
    print(f "Valid! Current IP: {resp.json()['origin']}")
except Exception as e.
    print("This proxy is broken, change it!")

Note that the username and password are replaced with the authentication information in the ipipgo account, it is recommended to practice with a free test IP first. This script has been tested to sift out the potholes of response timeouts and authentication failures.

What's in a Test Indicator

Don't just look at connectivity, these are the parameters that matter:

If you're doing cross-border business, remember to use ipipgo.TK LineThe actual measurement of Southeast Asia access speed can be as fast as 40%.

A Guide to Avoiding the Pit (Blood and Tears)

Name a few common mines that newbies step on:
1. Baidu home page can not be measured, you have to measure the real business access address
2. Dynamic IP do not use session hold function, minutes offline
3. Don't panic when it comes to CAPTCHA, ipipgo'sStatic Home PackageSelf-contained real-life behavioral simulation
4. Never write a dead IP in the code, use automatic switching strategy

QA First Aid Kit

Q: What should I do if it works fine when I test it, but falls off when I use it?
A: This situation ninety percent of the IP pool quality is poor, change ipipgo's enterprise-class dynamic residential, their IP pool hasMillions of real housing resources, personally tested to run for three days straight without dropping out.

Q: Detection tool shows anonymous but blocked by the site?
A：May encounter the depth of the protocol detection, it is recommended to open the ipipgo backgroundProtocol masquerade mode, masquerading HTTP requests as browser traffic.

Why ipipgo?

This isn't a hard sell, name a few real scent features:
- Dynamic IP Supportvolumetric billing($7.67/GB), small cost trial and error
- The client comes with intelligent routing, automatically selecting the fastest node
- If you have a problem, you can call customer service and have it sent to you in a second.diagnostic report
- Customizable IP territorial distribution for business users (e.g. just California IPs)
Their cross-border line I have tested, running Amazon data collection can be up to 8000 times / hour, than self-built agents to save a lot of trouble.

A final reminder to the guys:Don't be cheap and use free proxiesIf you are a good gamer, you will lose your data. Spend a little money to use ipipgo's stable service, save time to jerk two games does not smell good?