# Configuration box/router
Check ports are open
#### Access to box/routeur administration
In the URL bar of your web navigator put:
```bash
192.168.0.1 or 192.168.1.1
```
Then you will need to authentificate.
#### Opening ports
Opening following ports are necessary to make works differents services.
**TCP:**
* Web: 80 (HTTP), 443 (HTTPS)
* [SSH](/ssh_en): 22
* [XMPP](/XMPP_en): 5222 (clients), 5269 (servers)
* [Email](/email_en): 25, 465 (SMTP), 587 (SMTP with SSL), 993 (IMAP)
* [DNS](/dns_en): 53
##### UPnP
UPnP permit opening automatically ports.
In some case, after changing your box configuration (ex: add IPv6, or unlock SMTP ... ) and a reboot. It happens that ports are no onger opened. So you have to reload your firewall configuration:
```sudo yunohost firewall reload```
##### Manual opening ports
In the case that UPnP doesn’t works, manual opening ports are necessary.
##### Email
Internet service porviders blocks port 25 to avoid spam. To send mails, you’ll need to open port 25.