Understand the Cors error in the splendid docker container *
As a blockchain developer, it is familiar with the importance of Wenbuilding applications for the exchange of cross -source resources (Cors), the Thatnal Service. However, where they are here in projects such as Bitcoin, it is to ignore this chutical security feature.
In this article, we will deepen Cors’ error in the splendid context and its Docker container, specific in blockream.
What is Cors?
CORS is a security feature implemented in web browsers to prevent malicious scripts from crushing unauthorized requirements. It allows the websites to communicate it with the backend services you need for a photo.
In Alles, it is a browser that is required for an application on the server side, it is for an authentic requirement and ensure that IT data.
Cors in Spleer Docker Container
*
As the splendid blockstraam container uses Docker Run, you are likely to configure Cors to allow web applications. However, if he is highly anticipated, the error may not be a Bearmedialyly application.
THE PROBLEM: CORS ERROR IN THE BLOCKSTRAM SPLORA DOCKER CONTAINER
When executing a docker cors_alow =* container, it is to publish the browser and the splendid service service, it is the Currt for Currt. This can a Cors error when trying to establish connections between and server.
In your case, the following comment is running:
`Bash
DOCKER RUN --Name splero -container -p 5001: 5001 -P 8094: 80 -VOLME $ PWD/DATA_BITCOIN_REGTEST:/DATA --E CORS_ALOW =* --- SPLORA BASH -CC & C & C & C & C &
The problem arises when you try to establish a connection with the splendid consisting of 'Culther' or other web application:
Bash
Curl http: // localhost: 50001
You are likely to receive an error response from Cors, it is possible rough like this:
JSON
{
"Message": "Warning of cross -source resources (Cors)",
"State": 0,
"URL": "/
}
What is behind Cors's error?
Thecors allowis established in*, which means that all web applications can make requests to the splendid server. However, that can, to unexpected behavior and security problems.
The web application required for the authorization of the splendid service, can be activator of choir inspections.
In your case, there are the various possible reasons it supposes:
- Incorrect CORS configuration : Verify that you have an incorrect cors set in the splendid Yerver Orrver or the web device.
2.Exception of the IP address *: It is clear and server.
- Docker container configuration : Verify that your Docker container is configured correctly, including any necessary variant environment or configurations.
Solutions *
To solve the Cors error in its splendid blockstram container:
- Verify the cors policy of the browser : Make it allowing cross -source requirements of the splendid web application.
- Verify the exception of IPDDESS : Make sure that the exceptions of IP dotdress are not configured in the cliient or spleen.
- Update Docker configuration
: Check your Docker and Mobile confocation is correctly, configured for Cors.