---
title: Paychex Citrix Service
description: "#### Summary Paychex offers a service that requires you to connect to their Citrix servers to use it.  This connection typically requires a firewall rule to allow access to the Paychex servers. #### Procedure To allow this connection to work,…"
url: "https://www.k12usa.com/docs/paychex-citrix-service/"
updated: "2025-11-18"
category: SecureSchool
tags:
  - ISBossBox
  - LibraryDoor
  - SecureSchool
---

# Paychex Citrix Service

#### Summary

Paychex offers a service that requires you to connect to their Citrix servers to use it.  This connection typically requires a firewall rule to allow access to the Paychex servers.

#### Procedure

To allow this connection to work, you need to create the following firewall rule:

- **Name**: Paychex
- **Log Packets**: None
- **Type**: Allow
- **Protocol**: TCP
- **Direction**: From Inside
- **Source Address**: 0.0.0.0/0 (to allow any workstation.  If you want to allow only one workstation, use its IP address)
- **Source Port**: leave blank
- **Destination Address**: 141.123.0.0/16
- **Destination Port**: 80,443
