SubGit obtains the authentication data from the   [auth "default"]  section of the SubGit configuration file that is located at   GIT_REPO/subgit/config.

Depending on the configuration, your Subversion server can request the following authentication  data to log in to a Subversion repository:

In the   [auth "default"]    section  of the SubGit configuration file, you can specify the authentication settings depending on the authentication data that is required to log in to a Subversion repository.