Shulou(Shulou.com)06/02 Report--

This article mainly explains "what problems will happen to the inferior agent ip". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "what will happen to the inferior agent ip?"

If we choose a bad agent ip and choose some cheap and inferior ip for ip software, then we are likely to encounter the problem of not being connected in the process of using it. For example:

1. The proxy ip does not have enough anonymity and is restricted after identifying the target website.

There are many kinds of ip agents, including open transparent agents and general agents. These agents are not anonymous enough and are easy to be seen by the other party, so use proxy ip to choose high-quality agents, so that anonymity can completely hide the local real ip and is not easy to find.

2. Unable to obtain authorization.

The quality agent ip needs to authorize the whitelist before it can be used. If the authorization whitelist fails, the website cannot be accessed.

3. If the extract is not used in time, ip has been invalidated.

Many users misunderstand a problem, thinking that the proxy ip has been timed from the beginning of use, but in fact, the proxy ip starts timing through API extraction, and if it is not used in time, the proxy ip cannot access the website.

4. Block the single proxy ip and restrict access.

No matter which kind of proxy ip, can not be 100% valid, proxy ip seal is also normal, many users know that modern high frequency access will also be restricted, some service provider agents have a small ip pool, many people may be using the same ip, so access to a site has been restricted.

Therefore, the crawler must choose the high-quality agent ip, the self-built computer room agent service provider is relatively stable, the failure rate is low, the utilization rate is high, and the area node is rich, which is the best choice for the crawler that requires high efficiency.

Web crawler is to obtain the desired public information data through the target server. It is said that more than 50% of the traffic on the Internet is achieved through web crawlers, which can obtain competitors' public data information and market analysis data, so that a lot of crawler software continues to run every day to obtain data and information that is valuable to them.

At this point, I believe that everyone on the "inferior agent ip what problems will occur" have a deeper understanding, might as well come to the actual operation of it! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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