407 Status Code: Proxy Authentication Failure Repair

Hands-On Solution to 407 Agent Authentication Failure

When you are using proxy IP, you are most afraid of encountering 407 status code, right? Just like you take the access card can not brush the door of the neighborhood, obviously the password is right but the system is not to pass. Don't panic, today we will break up and crumble to say this thing.

Getting to the root of the problem

When a 407 error is encountered, theIt's probably the authentication information that's wrong.. Common scenarios are:

1. Wrong account password (especially the case is not noted)
2. IP format written as http://开头 (actually should use IP:port format)
3. Wrong proxy protocol (e.g. http when socks5 should be used)

As a chestnut, some newbies will take theipipgoThe dynamic IP provided is written as "http://112.95.233.68:8080″, in fact, it should be directly filled in "112.95.233.68:8080″.

Four Steps to Universal Screening

Following this process solves the 90% problem:

For example, when requesting in Python, the correct way to write it should be:

import requests
proxies = {
    'http': 'http://用户名:密码@112.95.233.68:8080',
    'https': 'http://用户名:密码@112.95.233.68:8080'
}
response = requests.get('http://example.com', proxies=proxies)

注意这里密码里如果有@符号要换成%40

Special Scene Handling

Some students will encounter intermittent 407 errors in their crawler projects, which is something to consider:

1. whether the IP is blocked (with ipipgo's dynamic IP pool can be avoided)
2. whether the account has expired (long-term package is recommended)
3. whether the User-Agent in the request header is missing

Especially for doing e-commerce data collection, it is recommended to use theipipgoThe commercial version of the package, which comes with automatic IP switching, can save a lot of heartache.

Frequently Asked Questions QA

Q：Why is there an error message when the password is correct?
A: Check if there are spaces / Chinese symbols, it is recommended to copy to Notepad to look at the

Q: How to authenticate the IP obtained with ipipgo's API?
A: They support two authentication methods: username and password binding IP, or whitelisting password-free. Suggest that newbies use the whitelist mode, add the server IP in the background on the line!

Q: How can enterprise applications avoid 407?
A: Direct contactipipgoTechnical support for customized solutions, their enterprise edition supports multi-node load balancing, automatic retry mechanism to avoid occasional errors

The Ultimate Solution

If you try everything and it still doesn't work, it's recommended to just change theipipgoThe IP package of the exclusive IP package. Their IP is directly connected to the server room dedicated line, authentication success rate can be 99.9%. Especially for overseas data collection, remember to choose the corresponding region of the IP pool.

One final reminder, don't beat a dead horse when it comes to problems. LikeipipgoSuch professional service providers have 24-hour technical support, so it's much faster to go directly to them than to fiddle with yourself. Remember, time is money!