305 Status Code: 305 Redirection Agent Solution

What's a 305 status code? Let's figure out what the problem is.

engaged in web development friends must have seen the 305 status code, this thing is frankly the server and you say: "Do not look for me directly, go to the agent of the big brother". Commonly used in some special scenarios, such as corporate intranet system mandatory requirements to go to the designated proxy access. If you do not follow the rules at this time, the page directly to you to set a 305 error, anxious people scratching their heads.

As a chestnut, a company's internal OA system is set up with a proxy authentication mechanism. Ordinary users will see it when they access it directly:

HTTP/1.1 305 Use Proxy
Location: http://proxy.company.com:8080

Traditional solutions not reliable? Try the new proxy IP position

Many tutorials teach you to set up a proxy manually in your browser, and this method has three fatalities:

1. Configuration hassles: Each device has to be set up individually
2. Vulnerability to exposure: Fixed IP easily blocked
3. Maintenance difficulties: If the proxy fails, you'll have to start all over again.

It's time to offer up ipipgo's dynamic proxy service, theirIntelligent Rotation MechanismCan handle 305 redirects automatically. See this comparison table for specific advantages:

Hands-on: using ipipgo to get 305 redirection

Take the Python crawler as an example and configure the proxy with the requests library:

import requests

proxies = {
  'http': 'http://user:pass@gateway.ipipgo.com:9020',
  'https': 'http://user:pass@gateway.ipipgo.com:9020'
}

response = requests.get('http://target-site.com', proxies=proxies)
print(response.status_code)

Note the substitutionuserrespond in singingpassAuthentication information for ipipgo. Their home agent supportson-demand billingmode, use as much as you need, especially for the testing phase.

Frequently Asked Questions QA

Q: Do I have to use a proxy for the 305 status code?
A: Must be used if explicitly requested by the server, otherwise the connection cannot be established

Q: Which is more cost-effective, building my own agency or buying a service?
A: short-term use of self-built cheaper, long-term maintenance choose ipipgo more worry. Self-built servers at least 5k + per year, ipipgo basic package only a few dozen dollars per month!

Q: How long does ipipgo's IP survive?
A: Dynamic IP default 15-minute rotation, static IP can be held for a long time. It is recommended to choose dynamic for business scenarios and static for fixed outlets.

Guide to avoiding pitfalls: these details to pay attention to

1. authentication information do not write dead code, it is recommended to use the environment variable storage
2. Encountered 407 agent authentication error, check whether the account is expired
3. High-concurrency scenarios remember to applyipipgo's enterprise packageSupport 100+ requests per second

Finally, a real case: an e-commerce company with ordinary agents to do price monitoring, three days two to three times by ban. change into ipipgoResidential AgentsAfter that, the acquisition success rate directly soared from 47% to 92%, and the effect was immediate.