# Firewall Settings / Whitelist

Your network might be blocking video and audio and with a few changes to your firewall, you'll be able sort this out. 

### Whitelist URL

Please whitelist the wildcard URL :

\*.lisa-api.net

In case you are not allowed to whitelist wildcard urls here is a list of the individual urls:

agora.lisa-api.net

analytics.lisa-api.net

asset.lisa-api.net

auth.lisa-api.net

engagement.lisa-api.net

product-api.lisa-api.net

product-feed.lisa-api.net

product.lisa-api.net

proxy.lisa-api.net

rtm.lisa-api.net

show-view\.lisa-api.net

show\.lisa-api.net

#### RTC for live video and audio

Add the following destination domains and the corresponding ports to the firewall whitelist:

.agora.io .edge.agora.io .sd-rtn.com .edge.sd-rtn.com

| Destination ports                                              | Port Type |
| -------------------------------------------------------------- | --------- |
| 80; 443; 3433; 4700 - 5000; 5668; 5669; 6080; 6443; 8667; 9667 | TCP       |
| 3478; 4700 - 5000                                              | UDP       |