---
title: Restricting access through network access controls
description: One common and effective way to prevent connections from unauthorized clients is to prevent those clients from reaching the server.
component: pingdirectory
version: 11.1
page_id: pingdirectory:pingdirectory_security_guide:pd_sec_restrict_access_network_ctrls
canonical_url: https://docs.pingidentity.com/pingdirectory/11.1/pingdirectory_security_guide/pd_sec_restrict_access_network_ctrls.html
llms_txt: https://docs.pingidentity.com/pingdirectory/llms.txt
docs_for_agents: https://developer.pingidentity.com/build-with-ai/docs-for-agents.md
revdate: September 13, 2023
---

# Restricting access through network access controls

One common and effective way to prevent connections from unauthorized clients is to prevent those clients from reaching the server.

This can be accomplished using firewall software on the underlying system or through access controls in network hardware like firewalls and routers.