Curl Setting Host Headers: Curl Host Header Configuration

Hands on with Curl tuning of the main headstock

The old iron in the network request should understand, sometimes obviously proxy IP configuration is correct, but the server just does not give the door. There's a hidden barrier here -Host header configurationThe first thing we'll do is to use Curl as a teaching tool to explain this. Let's use Curl as a teaching tool today and break it down to make this clear.

Why do you want to put Curl in the shoes?

For example, you let the courier boy (proxy server) to help deliver packages (request), if the package is not written clearly on the door number (Host header), the boy may be directly according to the courier station address (proxy IP) delivery, the result is of course, eat the door. At this time, you need to be on the parcelHandwritten notesThe real receiving address.

 Wrong posture (bare bones type):
curl http://代理IP:端口

 Correct posture (armed to the teeth):
curl -H "Host: target website domain" http://代理IP:端口

Three axes for real-world configurations

Here's a whole configuration cross-reference for the guys, taking ipipgo's proxy service as an example:

If you're using a traditional proxy, remember to include the following in the CurlTighten the Host header::

curl -x http://ipipgo代理IP:端口 -H "Host: www.target.com" http://目标IP/

Guide to avoiding the pit

Seen a lot of brothers fall into these pits:

1. Using HTTPS but forgetting to turn on-proxy-headerswitchgear
2. Host header is overridden by system defaults (use -v parameter to view request details)
3. Host is not modified when the target website has multiple subdomains.

QA First Aid Kit

Q: What should I do if I set the Host header or 403?
A: eighty percent of the IP was pulled black, change ip ipgo'sLong-lasting premium IP, their IP pool changes blood every three days and is more reliable than a small workshop.

Q: What if I need to set up more than one Header at the same time?
A: Curl supports stacked writing:

curl -H "Host: www.target.com" -H "User-Agent: Chrome/104" -x http://ipipgo代理IP:端口 Destination URL

Recommendations for Divine Weapons

If it's too much trouble to configure manually, just go to ipipgo'sSmart Agent Package. Their proxy comes with automatic domain name correction and also supports:

• ✔️ Automatically maintains long connections
• ✔️ Intelligent Retry Mechanism
• ✔️ Traffic Compression (a must for saving money on monthly subscriptions)

Lastly, the Host header is like the comment box on a courier order, if you write it correctly, it will be delivered accurately. The next time you use Curl to go through a proxy jam, first take out this article on the configuration, guaranteed to cure the disease. If the old iron with ipipgo still can't figure it out, their 24-hour technical customer service is more diligent than the film on the street, catching the question on the end of the matter.