# Modify GlobalSSH Port - ModifyGlobalSSHPort

## Overview

Modify GlobalSSH Port



 > ℹ️ The free version of globalssh does not support port modification; the basic and enterprise versions support port modification; the beta free version retains the port modification feature.


## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `ModifyGlobalSSHPort`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.scloudsg.com/uaccount/api_manage)                                             | **Yes** |
| **Signature**  | string  | User signature generated based on public key and API command, see [Signature Algorithm](/docs/api/summary/signature.md)  | **Yes** |

### Request Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **ProjectId** | string | Project ID, such as org-xxxx. Please refer to [GetProjectList interface](/docs/api/summary/get_project_list) |**Yes**|
| **InstanceId** | string | Instance ID, unique identifier for the resource. Currently, only the paid version of GlobalSSH instances can modify the port. |**Yes**|
| **Port** | int | The SSH port number that the origin server listens to. The port range for the paid version is [1,65535] and cannot be 80, 443, 65123 ports. The free version does not support port modification. |**Yes**|

### Response Field

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RetCode** | int | Return status code. If it is 0, it means successful return. If it is not 0, it means failure. |**Yes**|
| **Action** | string | Operation command name. |**Yes**|
| **Message** | string | Returns an error message, providing detailed description when `RetCode` is non-zero. |No|




## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=ModifyGlobalSSHPort
&InstanceId=uga-xxxx
&Port=22
&ProjectId=org-xxx
```

### Response Example
    
```json
{
  "Action": "ModifyGlobalSSHPortResponse",
  "Message": "bhTSuqGO",
  "RetCode": 0
}
```