Anonymous HTTP and HTTPS
Either of these protocols can be used for a public repository. Public repositories can be cloned without providing a user name and password. The following is an example of a repository URL using an anonymous HTTP protocol:
http://svn.eionet.europa.eu/repositories/Python/
The following is an example of a repository using an anonymous HTTPS protocol:
https://svn.apache.org/repos/asf/abdera/