
I. Where exactly is the 407 error stuck?
This error is like when you go to the bank to withdraw money and the ATM machine suddenly says "wrong password" - you remembered it was the right one. When the proxy server asks to verify your identity, it finds that yourAccount password mismatchorThe authentication is wrong... Common scenarios include:
- Type the letter O in the account number as the number 0 (e.g. user0 as userO)
- 密码里带特殊符号没转义(比如@要写成%40)
- Use http protocol to connect to https proxy port
II. Hands-on demining
firstUniversal checklist::
| checklist | correct demonstration | false demonstration |
| Account Format | user_2024 | user2024 |
| Password handling | p@ss→p%40ss | Write p@ss directly |
| protocol matching | http with port 8080 | http with port 443 |
The code should be written like this when testing with Python:
import requests
proxies = {
"http": "http://用户名:密码@gateway.ipipgo.io:端口",
"https": "http://用户名:密码@gateway.ipipgo.io:端口"
}
response = requests.get("destination URL", proxies=proxies)
print(response.status_code)
iii. ipipgo's smart solutions
We have prepared for our usersAnti-dumbing design::
- The account system automatically filters illegal characters
- Real-time prompts for escape rules in the password input box
- API interface automatically adapts to the protocol type
Like with ipipgo.Dynamic Tunneling Agent, there is no need to handle the authentication parameters yourself at all, the SDK will automatically encapsulate them:
from ipipgo import Client
client = Client(api_key="your key")
resp = client.get("target url") Authentication process fully automated
IV. High-frequency pitfall QA
Q: Why does it report 407 if the password is correct?
A: Check if Chinese punctuation is used, such as typing the English colon: into Chinese:
Q: Suddenly 407 appears when I use it?
A: It may be that the IP is blocked leading to authentication failure, with ipipgo'sAutomatic IP switchingThe function will take care of it.
Q: How do I batch process enterprise applications?
A: We recommend using ipipgo's enterprise API, which supports simultaneous management of 5000+ proxy channels and automatic retry mechanism to avoid temporary authentication failures.
Fifth, choose the right tool less detour
Tossing the authentication parameters yourself is likedo high math with an abacusThe smart proxy system from ipipgo can do it:
- Authentication failure automatic reconnection (up to 5 times)
- Real-time detection of agent survival status
- Abnormal IPs are automatically kicked out of the connection pool
Especially if you are a crawler, use ouron-demand billing packageYou don't have to worry about authentication issues and you can save 30% on agent costs.

