# Network Blocking
Enterprise administrators can set enterprise-level network blocking, after which all applications are prohibited from updating or releasing. You need to apply for approval from the enterprise administrator if necessary.
# Enable Network Blocking
Go to Org Center > Settings > Deploy > Block Network.
Once enabled, all applications in the corresponding environment in the organization cannot be upgraded or released.
# Unblock Application
Go to DevOps Platform > Projects > Apply for Deployment to make an application.
# Application Approval
Go to Org Center> Approval as enterprise administrator to approve the application.
# Notification
- When an applicant applies to unblock, the enterprise administrator will receive the application notification in the site message and mailbox.
- When the unblocking application is approved, the applicant will receive the approval notification in the site message and mailbox.