> For the complete documentation index, see [llms.txt](https://docs.inforiver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inforiver.com/introduction-to-inforiver/get-started/inforiver-writeback-matrix-prerequisites/whitelist-inforiver-ips.md).

# Whitelist Inforiver IPs

Inforiver's outbound IP address must be whitelisted in the customer's network or database firewalls to access Inforiver services. 

### 1. Whitelisting Inforiver for On-Prem Writeback

Inforiver writeback may be unable to connect to on-prem databases hosted in data centers or office networks. This happens because the network firewall between your database and Inforiver blocks the inbound communication initiated for writeback. 

For writeback to work with on-prem databases, the admin must whitelist the below 5 Inforiver outbound IPs in the network firewall.

{% hint style="info" %}

### Inforiver IP addresses to be whitelisted:

For [addons.inforiver.com](https://addons.inforiver.com):

* 20.80.81.140 - 20.80.81.143 
* 172.170.162.240

For [euw.addons.inforiver.com](https://euw.addons.inforiver.com): 

* 20.229.172.84 - 20.229.172.87
* 57.153.117.230
  {% endhint %}

### 2. Whitelisting for Azure SQL

Azure SQL destinations have firewall rules that block connections originating from non-whitelisted IPs. 

<figure><img src="https://3062809325-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEbkCXCUXmtUq5tcnUtZE%2Fuploads%2F7RJbhJIfaks2GQF0vrXx%2Fimage.png?alt=media&amp;token=551a8c22-2c8a-483f-a659-df957a53d9ea" alt=""><figcaption><p>firewall blocking the inbound communication to Azure</p></figcaption></figure>

To connect to Azure SQL databases from Inforiver, you must create a firewall rule to open the firewall for a specific range of IP addresses. [Learn more about creating firewall rules.](https://learn.microsoft.com/en-us/azure/azure-sql/database/firewall-create-server-level-portal-quickstart?view=azuresql)

{% hint style="info" %}

### Inforiver IP addresses to be whitelisted:

For [addons.inforiver.com](https://addons.inforiver.com):

* 20.80.81.140 - 20.80.81.143&#x20;
* 172.170.162.240

For [euw.addons.inforiver.com](https://euw.addons.inforiver.com):&#x20;

* 20.229.172.84 - 20.229.172.87
* 57.153.117.230
  {% endhint %}

Follow the steps in the image below to whitelist the Inforiver outbound IP addresses.&#x20;

<figure><img src="https://3062809325-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEbkCXCUXmtUq5tcnUtZE%2Fuploads%2FeLyhAEfqVx5cjL9ILVWA%2Fimage.png?alt=media&amp;token=d7ce9403-6992-49b9-b05f-bacaf57a32c5" alt=""><figcaption><p>Creating firewall rules</p></figcaption></figure>

The screengrab below shows the firewall rules configured for Inforiver.

<figure><img src="https://3062809325-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEbkCXCUXmtUq5tcnUtZE%2Fuploads%2FQc2CHEGu7Avoov1Akiic%2Fimage.png?alt=media&amp;token=3d7e65c4-e313-47e3-8851-a8a9bd926e60" alt=""><figcaption><p>Firewall rules configured for Inforiver</p></figcaption></figure>


---

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