# I spent two months screen-sharing to ship one integration. So I rebuilt it on Temporal.

DevFeed: [I spent two months screen-sharing to ship one integration. So I rebuilt it on Temporal.](<https://devfeed.tech/articles/i-spent-two-months-screen-sharing-to-ship-one-integration-so-i-rebuilt-it-on-temporal-35876.md>)

Original publisher: [Read original article](<https://temporal.io/blog/i-spent-two-months-screen-sharing-to-ship-one-integration-so-i-rebuilt-it-on-temporal>)

Author: Stephen Montague

Published: 2026-08-06T00:00:00Z

Content type: tutorial

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [proxy](<https://devfeed.tech/topics/proxy.md>), [networking](<https://devfeed.tech/topics/networking.md>), [legacy application](<https://devfeed.tech/topics/legacy-application.md>), [Messaging](<https://devfeed.tech/topics/messaging.md>), [on-prem](<https://devfeed.tech/topics/on-prem.md>), [retry](<https://devfeed.tech/topics/retry.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [legacy-application](<https://devfeed.tech/tags/legacy-application.md>), [messaging](<https://devfeed.tech/tags/messaging.md>), [networking](<https://devfeed.tech/tags/networking.md>), [on-prem](<https://devfeed.tech/tags/on-prem.md>), [proxy](<https://devfeed.tech/tags/proxy.md>), [retry](<https://devfeed.tech/tags/retry.md>), [software](<https://devfeed.tech/tags/software.md>), [temporal-voices](<https://devfeed.tech/tags/temporal-voices.md>)

## AI overview

The article explains how to connect a cloud application to a firewalled on-premises edge site using an egress-only proxy and a single outbound Temporal connection. It describes the operational difficulties of a legacy, one-way integration and the need for bidirectional messaging, retry handling, and testing.

## Source excerpt

How to durably reach a firewalled edge site with no inbound ports: an egress-only proxy that hot-reloads config over a single outbound Temporal connection.