Crawler IP Blocking: Double Protection Cracking Based on UserAgent+IP

When Crawlers Get Choked: A Guide to Breaking the Double Blockade of UserAgent+IP

Brothers who work with crawlers understand that seeing a 403 is like being kicked in the pants. Nowadays, websites are getting more and more sophisticated.UserAgent+IP ComboThe first thing you need to do is to get a double insurance policy directly to you. Today, we will use the most practical way to break up and knead how to use proxy IP to break the game.

Cracking the idea: the left hand to change the skin and the right hand to escape from the ground

The website checks you like a DUI, first look at the documents (UserAgent) and then check the license plate (IP). To muddle through you have to:

1. intendDozens of different sets of browser documents(Chrome, Firefox, Safari switch randomly)
2. set upLicense Plate Banks That Change Face(Residential IP pool to be deep enough)
3. Don't play by the rules.Don't synchronize the replacement of documents with the replacement of license plates

Practical operation: to the crawler put on the cloak of invisibility

Recommended hereipipgoThe residential agent, who has over 90 million real home IPs in his house, is like changing vests in a sea of people.

Avoiding the pitfalls of the three-piece suit: do not let the site sniff out the smell

① Request frequency should be like human：别整整齐齐每隔3秒请求一次，加点随机

② Access paths should be confusing: Don't always visit in the order of A→B→C, interspersed with irrelevant pages.

③ Cookie has to be good at acting.: Clean regularly but not too thoroughly, retain some login state

QA Time: Veteran Drivers Answer Newbie Questions

Q: Is it okay to use a free proxy?
A: Free IPs are like public restrooms, dirty, crowded and easily blocked. It is recommended to useipipgoThis is a professional residential proxy with a bottomless IP pool that comes with an automatic replacement mechanism.

Q: Why are you still blocked even though you have changed your IP?
A: Eighty percent of the time, the UserAgent is leaking. Check three points:
1. Mobile IP is paired with PC version of UA
2. Domestic IP with Chinese browser logo
3. The same IP with different UA too often

Q: Do I need to maintain my own IP pool?
A: withipipgoThis kind of service provider will save you a lot of trouble. Their global IP pool of more than 240 regions automatically eliminates failed nodes, saving you a lot of effort compared to maintaining it yourself.

The Ultimate Advice: Make Websites Think You're Passersby

In the end, the anti-climbing mechanism protects against"Regular machine.".. Use ipipgo's Residential Proxy with the following soo operation:

• 混用HTTP/HTTPS协议（他家多协议支持）
• Mixing dynamic and static IPs
• UA for different country IPs with corresponding language environments

Remember, the heart of camouflage is"Reasonably unreasonable."--Both to disrupt the routine and to conform to common sense. It's like wearing a suit in a food market but carrying live fish in your hand; that sense of dissonance is the best protective color.