curl disable redirect | key parameter settings to solve the 301 jump problem

Hands-on teaching you to use proxy IP to solve curl redirection problems

Crawler friends are most afraid of encountering 301 jumps, just like the courier brother was tricked into running around. If you use curl to request a page, the page will jump automatically.Adding a -L parameter looks like it's tracking., but will actually expose the real request path. This is where proxy IPs come into play - especially ones like ipipgoHigh Stash Agency Services, which allows you to switch identities like a Szechuan opera face.

Deadly pitfalls of curl redirects

Many newbies will simply usecurl -LForced tracking jump, the result of the server counter-surveillance to the real IP. last week a price comparison system customers planted in this, with their own servers directly requesting the target station blocked IP segments. At this time, you need to add the curl command to the--proxyparameter, in conjunction with ipipgo's dynamic residential proxy, to disguise the request traffic as normal user browsing.

curl -x http://user:pass@ipipgo-proxy:port --max-redirs 0 https://target.com

Parameter combinations for must-have techniques

Remember these three golden partnership parameters:

Recommendations in practiceObserve the response header first with the -v parameter, grabbing Location information like this:

curl -v -x http://ipipgo动态代理 --max-redirs 0 https://example.com 2>&1 | grep 'Location:'

Common Rollover Scene QA

Q：How come I'm still recognized even though I've used a proxy IP?
A: Ninety percent because of the use of the data center proxy, it is recommended to change to ipipgoResidential Agent PackageIP segments from real home broadband

Q: Setting -max-redirs 0 still jumps?
A: Check if you are using a transparent proxy, ipipgo'sHigh Stash AgentsCompletely hides the X-Forwarded-For information in the HTTP header.

Q: What if I need to handle multiple jumps?
A: Use the ipipgo proxy to get the final address first, then request it separately:

final_url=$(curl -s -x http://ipipgo代理 -I https://初始链接 | grep Location | cut -d' ' -f2)
curl -x http://ipipgo代理 $final_url

Why ipipgo?

Having tested a dozen proxy services, ipipgo'sRedirect processing success rateHighest. Their intelligent routing system automatically avoids redirected IP segments, and when used with curl it's like adding a navigator to the request. Especially for those who do cross-border e-commerce, use hisOverseas Local AgentsGrabbing competing data, the redirection issue dropped 70% directly.

One last reminder: when encountering stubborn 301 jumps, remember to add the curl command to the end of the-H "Host: target.com"Request Header. Use ipipgo'sCustomized agency solutionsWhen you do, you can let the tech guy pre-configure these parameters for you, saving you time and effort.