# Network security

- [Securing behind a proxy](/sonarqube-server/server-installation/data-center-edition/network-security/securing-behind-proxy.md): It is recommended to run SonarQube behind a proxy, if it should be accessible from outside.
- [Elasticsearch security features](/sonarqube-server/server-installation/data-center-edition/network-security/elasticsearch-security-features.md): How to to set up Elasticsearch security features.
- [Network rules](/sonarqube-server/server-installation/data-center-edition/network-security/network-rules.md): Defining network rules to enhance the security.