> For the complete documentation index, see [llms.txt](https://docs.helmut.de/helmut4-releases/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helmut.de/helmut4-releases/v4.6.1/getting-started/misc/commonly-used-ports.md).

# Commonly used ports

The table below lists the commonly used ports by the Helmut server and client.

<table><thead><tr><th width="214.33333333333331">Type</th><th width="218">Ports</th><th>Notes</th></tr></thead><tbody><tr><td>MoovIT's repo</td><td>TCP repo.moovit24:443</td><td></td></tr><tr><td>DNS</td><td>UDP 53</td><td></td></tr><tr><td>SMB</td><td>TCP 137,138,139,445</td><td>may vary depending on the storage</td></tr><tr><td>LDAP</td><td>TCP &#x26; UDP 389</td><td></td></tr><tr><td>SMTP</td><td>TCP 25</td><td></td></tr><tr><td>Helmut Client</td><td>TCP 80 or 443</td><td>Depending if SSL is enabled</td></tr></tbody></table>