Using Curl to download files: Curl file downloads

Teach you to use Curl to hang the proxy to download the file.

The brothers who engage in network data capture understand that the direct naked download is easy to be the target site IP block.proxy IPIt is a life-saving weapon, today take actual cases to teach you how to use curl with proxy to download files in a stable manner.

Why do I need a proxy IP?

For example, you from a site under the 10G material package, down to half of the sudden disconnect and reconnect to find that the IP was ban. Proxy IP can avoid this embarrassment, equivalent to the curl wear a gas mask, the specific benefits see this table:

Real-world Curl with proxy tutorial

Make sure you have curl installed on your system, if you don't, you'll have to install it yourself.brew install curlorapt-get install curlFitting it. Here's the kicker, there are two poses for matching agents:

 Basic proxy mode (with parameter substitution)
curl -x http://user:pass@proxy.ipipgo.net:8080 -O file address

 Advanced mode with retries
curl --proxy http://user:pass@proxy.ipipgo.net:8080
--retry 3 --retry-delay 5
-L -O Download link

Here's a couple.Must See Details::
1. The -x parameter is followed by the proxy address provided by ipipgo, be careful to replace your account password.
2. offshore resources to download the recommended selection of ipipgo Europe and the United States nodes, the delay can be reduced to 40%+.
3. Remember to add-C-Breakpoint transmission parameters

Common Rollover Scene QA

Q: What can I do if the agent can't connect?
A: First check if the address and port are correct, use thecurl -vLook at the detailed error report. If that doesn't work, go to the ipipgo backend and refresh the IP whitelist.

Q: Stuck halfway through the download?
A: Try ipipgo's socks5 protocol proxy, with the command changed to:
curl --socks5-hostname user:pass@proxy.ipipgo.net:1080 file address

Q: What if I want to open multiple downloads at the same time?
A: Use ipipgo's API to get different proxy IPs dynamically, and each download task with a separate IP to avoid being blocked.

Why do you recommend ipipgo?

this oneunique skillIn:
- Strictly control the survival period of each IP in 15-30 minutes (others do not move a few hours)
- Support HTTP/HTTPS/SOCKS5 three protocols seamless switching
- The actual download speed is more than 2 times faster than the counterparts, especially for overseas resources.

Recently, they had aDownload Dedicated IP Pool, optimized specifically for large file transfers. With this pool of nodes, the next Blu-ray movie can run full 100 megabytes of bandwidth, pro-test effective.

Last but not least: use ipipgo's API to change proxy IPs on a regular basis, together with curl's-KParameters to read the configuration file, can realize the fully automatic rotation of the download. We'll talk more about this in the next issue, so remember to follow our column.