2019-10-17 19:00:00 +02:00
# Other General Settings
## Managing self-registration
You can manage whether a user can sign up for a new account. This option is not available if you use LDAP authentication.
2019-10-18 15:30:53 +02:00
2019-10-17 19:00:00 +02:00
## Managing email settings
You can change Harbor's email settings, the mail server is used to send out responses to users who request to reset their password.
2019-10-18 15:30:53 +02:00
2019-10-17 19:00:00 +02:00
## Managing registry read only
You can change Harbor's registry read only settings, read only mode will allow 'docker pull' while preventing 'docker push' and the deletion of repository and tag.
2019-10-18 15:30:53 +02:00
2019-10-17 19:00:00 +02:00
If it set to true, deleting repository, tag and pushing image will be disabled.
2019-10-18 15:30:53 +02:00
2019-10-17 19:00:00 +02:00
```
$ docker push 10.117.169.182/demo/ubuntu:14.04
The push refers to a repository [10.117.169.182/demo/ubuntu]
0271b8eebde3: Preparing
denied: The system is in read only mode. Any modification is prohibited.
```
