Remove security group from port

Last update: May 30 2026

warning

Traffic that was allowed by the group rules will be denied. Active sessions that were established according to the group rules will be terminated on the port.

If you remove all security groups from a port, all traffic on it will be completely blocked.

Control panel

1. In the Control panel, on the top menu, click Products and select Cloud Servers.

2. Go to the Security Groups section.

3. Open the page of the group you want to remove → Ports tab.

4. In the port row, click .

5. If the group was the only one on the port, enter the group name to confirm removal.

6. Click Remove.

OpenStack CLI

1. Open the OpenStack CLI.

2. Remove a security group from a port:

   openstack port unset \
     --security-group <security-group> \
     <port>

   Specify:

   • <security_group> — security group ID or name; can be viewed using the openstack security group list;
   • <port> — port ID; can be viewed using the openstack port list. You can view the list of ports a group is assigned to in the Control panel: in the top menu, click Products → Cloud Servers → Security Groups → security group page → Ports **** tab.

3. Optional: remove all security groups assigned to a port:

   openstack port set \
     --no-security-group \
     <port>

   Specify <port> — the port ID; you can view it using the openstack port list.