Crawler Agent Error Code Book: 407/429 Troubleshooting Manual

When the crawler meets the 407/429 error, your proxy IP may be out of order!

engaged in crawling brother understand, see 407 and 429 is like seeing a death wish. These two errors are often newbies to a whole lot of anxiety, in fact, to put it bluntly is the proxy server with you in the trouble. Today we will break open the crumbs said, how to use ipipgo family of proxy services to smooth out these things.

407 Error: Proxy server wants to "check ID"

407 To put it bluntly, the proxy server didn't recognize your home crawler. There are three common scenarios:Wrong account password.,IP is blacked out by the target website,Proxy servers jerk themselves around.I'm not sure if I'm going to be able to do that. If you use ipipgo, remember that their proxies have to come with dynamic authentication parameters, don't be stupid and just fill in a fixed account.

Four steps to real-world troubleshooting:

1. Check that the authentication parameters in the code have the "authKey" field.
2. go to the background of ipipgo to take a look at the IP pool status, found abnormal nodes immediately change the
3. Add a request delay, don't blitz the target site like a machine gun.
4. Test in single-IP mode first, make sure there are no problems before going to the cluster

429 Error: Website says you're "too enthusiastic"

This error is when the site thinks you visit too often. Although changing proxy can solve it, be carefulRhythm of IP change. ipipgo recommends using their intelligent scheduling interface that automatically matches you with the optimal IP switching frequency.

Tips to prevent potholes that only veteran drivers know

1. don't use free proxies, they're more unreliable than paper!
2. Don't use each IP for more than 30 minutes, and set up the automatic refresh function of ipipgo.
3. Don't fight hard when encountering CAPTCHA, go to a coding platform if you need to.
4. Here's the kicker.: Store more than three alternate API addresses for ipipgo to prevent the main interface from jerking around

QA Time: Five Favorite Questions Newbies Ask

Q: What should I do if I change my IP and still report 407?
A: 80% of the request header is not cleaned up, use ipipgo's browser fingerprint camouflage function try

Q: I can't connect to ipipgo's IP all of a sudden?
A: first ping their detection interface, if the return "status":200 means that it is your code problem!

Q: What should I do if my overseas website is particularly prone to 429?
A: Select ipipgo's overseas dynamic residential IP, and remember to check the "high latency mode" option.

Q: How can I tell if an IP is truly anonymous?
A: Use the privacy checker tool in the ipipgo backend to see if the X-Forwarded-For field is exposed

Q: Will it conflict to have more than one crawler on at the same time?
A: Use the sub-account function provided by their house, each crawler is assigned a separate IP pool

The Ultimate Solution: The Unique Secrets to Using ipipgo Well

They have a killer feature in their house calledSmart FuseIt can automatically recognize the anti-crawl strategy of a website. When encountering 407/429 will automatically execute the triple move:
1. Immediate termination of the current request
2. Switching alternate IPs in the same region
3. Generate a new browser fingerprint
This feature is turned on by default in the Premium version, and it is recommended that those who do large-scale crawling must turn it on.

Finally, the proxy IP is a delicate work. Don't always think of violence to break, more observation of log data, with ipipgo analysis tools provided, slowly you can figure out the temper of the target site. Remember.Stable crawlers are fed by time and experienceThe