
What is the relationship between proxy IP and cURL?
A lot of people can't figure out what the browser and cURL tools actually do with proxy IPs. Simply put, the browser is a manual operation, cURL is the program automatically. For example, you want to batch test site visits, can not hire someone to click the mouse 24 hours, right? This time you need to cURL to hang on the proxy IP work.
Take a real scenario: an e-commerce company wants to monitor the price of competing products, and will be blocked by the IP if it directly grabs them with its own server. this time, use theDynamic Residential Proxy for ipipgo, in conjunction with a cURL script running at regular intervals, is both secure and does not reveal your true identity.
curl -x http://user:pass@proxy.ipipgo.io:8080 https://target-site.com
Hands-on with cURL proxies
Here's a demo for you guys.real-life example. Suppose we want to test the website loading speed with ipipgo's Hong Kong proxy:
Step 1: Login to ipipgo background to get the proxy information, pay attention to theMaximum 5 minutes per agent.It is recommended to use their API to get the latest proxies in real time!
Real-time proxy fetching
PROXY=$ (curl -s https://api.ipipgo.com/get_proxy)
Use the proxy to access the target website
curl -x $PROXY https://test-site.com --connect-timeout 10
Here's one.Key detailsRemember to add the timeout parameter! Many newbies forget to set this parameter and their scripts get stuck. ipipgo's proxy average response is around 800ms, so it is recommended to set the timeout to 3-5 seconds.
Must See! The Five Pitfalls of Proxy Configuration
Summarize these common problems based on the 300+ customer cases we have handled:
| problematic phenomenon | cure |
|---|---|
| Return 407 Authentication Error | Check if the username password has special symbols, URL encoding is recommended |
| Occasional connection timeout | Toggle ipipgo's alternate port, e.g. replace 8080 with 9090 |
| lagging speed | Enable session hold to avoid frequent switching of proxy nodes |
| HTTPS Website Error Reporting | Add the -proxy-insecure parameter after the curl command |
Why do you recommend ipipgo?
There are a plethora of proxy service providers on the market, but those who have used them know that:Stability is the key.I'm not sure if you're going to be able to do that. Last week there is a cross-border e-commerce customers, with other agents always in the early hours of the morning drop line, replaced with ipipgoLong-lasting static proxiesAfter that, it ran stable for 7 consecutive days.
Their three killers:
1. ExclusiveIP warm-up technologyThe new agent can also be verified directly
2. At least in each region300+ standby nodesAutomatic switching without interruption
3. SupportConcurrency customizationUp to 500 threads
White Frequently Asked Questions QA
Q: What should I do if the proxy IP is always out of effect?
A: First run curl -x [proxy] http://httpbin.org/ip to see if the returned IP is the proxy IP. If it is not changed, check the proxy format to see if there is no protocol header missed (http://或https://)
Q: How do I test the proxy speed?
A: Use this command to measure the response time:
curl -x [proxy] -o /dev/null -s -w 'elapsed time: %{time_total}s' Destination URL
Q: What are the special advantages of ipipgo?
A: To give you an example, their homeDynamic rotation of agentsIt supports switching IPs by request, which is especially suitable for the scenarios that need to change a lot of IPs. For example, there is a customer who does SEO monitoring and has to change 500+ IPs every day, and it is completely stress-free to use their dynamic pool.
Lastly, a reminder: using free proxies is like eating roadside food, you might get a bad stomach. Professionalism should be left to the likes of ipipgo.Ten years old service providerAfter all, data security is no joke.

