In today's online world, proxy IP has become an increasingly popular privacy protection tool. Proxy IP refers to a way to access the Internet through a proxy server, which can hide the user's real IP address and protect the user's privacy and security. Among proxy IPs, dynamic lines and static lines are two common types, and there are some obvious differences between them.

The main difference between dynamic lines and static lines is their stability and reliability. Dynamic lines are randomly assigned by proxy servers, and the IP address will be changed every time you connect, so they are not suitable for scenarios that require long-term stable connections. Static lines are fixed and users can use the same IP address for a long time to connect, so they are more reliable and stable.

Specifically, the differences between dynamic lines and static lines are reflected in the following aspects:

1. Different IP address allocation methods

The IP address of the dynamic line is randomly assigned by the proxy server, and a different IP address will be changed every time you connect. The IP address of the static line is fixed, and users can use the same IP address for a long time to connect.

2. Different applicable scenarios

Since the IP address of the dynamic line is randomly assigned, it is more suitable for one-time or short-term network access needs, such as web crawlers, network testing, etc. Static lines are suitable for scenarios that require long-term stable connections, such as foreign trade marketing, online customer service, etc.

3. Different costs

Generally speaking, the cost of dynamic lines is relatively low because its IP address is randomly obtained and does not require additional configuration and maintenance costs. Static lines require additional costs because its IP address is fixed and requires additional configuration and maintenance costs.

4. Different security

The security of dynamic lines is relatively high because it can better protect the privacy and security of users. Since the IP address of dynamic lines is randomly assigned, it can hide the user's real IP address and prevent the user from being tracked and attacked. The security of static lines is relatively low because its IP address is fixed. If it is hacked or exposed to the public Internet, the user's privacy and security may be threatened.

In short, dynamic lines and static lines each have their own applicable scenarios and advantages and disadvantages. When choosing which type of proxy IP to use, you need to consider it according to actual needs. If you need to use the proxy IP for a long time and stably, or you need to protect the privacy and security of users, then static lines may be more suitable. If you only need one-time or short-term network access, or you need to reduce the cost of using proxy IP, then dynamic lines may be more suitable.