FAQ: When I access Pleasanter set up on Linux, I get the error message "502 Bad Gateway"
## Answer
The access to the reverse proxy may be restricted due to SELinux settings. Please run the command to remove the access restrictions.
---
## Resolution Steps
Please execute the following command:
```
getenforce
```
#### a. If the message "command 'getenforce' not found" or one of "Permissive" or "Disabled" is displayed:
This means SELinux settings are not the cause, and it is outside the scope of this FAQ.
#### b. If "Enforcing" is displayed:
Please run the following command:
```
sudo setsebool -P httpd_can_network_connect on
```
*By changing the above SELinux boolean value, network connections for scripts and modules on the relevant server will be allowed.