# Defenses outside of Derby

In addition to the defenses provided by Derby, you should take advantage of defenses provided by your machine and intranet.

It is important to configure these defenses to protect Derby from attacks by both outsiders and insiders.

- Firewalls: Limit network access to the machine that runs Derby.
- Accounts: Limit login access to the machine that runs Derby. Centrally administer accounts using, for instance, an LDAP server.
- Physical locks: Limit physical access to the machine that runs Derby.
- Secure traffic: Encrypt the traffic that flows on your internal network.
- File permissions: Restrict the file permissions granted to the account that launches Derby.
- Quotas: Limit the file space and CPU that an account can consume.

Parent topic: Defenses against security threats
Related concepts
Derby defenses against threats