How to Deal with Enterprise Network Monitoring

As technology evolves, enterprise network monitoring has shifted from traditional physical surveillance to digital monitoring. This article explores common modern enterprise network monitoring methods and provides legal privacy-protection advice.

Evolution of Enterprise Network Monitoring

Modern enterprises have transitioned from traditional physical monitoring (such as cameras and on-site patrols) to more sophisticated digital surveillance systems. This shift makes monitoring more covert and cost-effective.

Common Network Monitoring Methods

A core method of enterprise network monitoring is tracking via DNS servers. The specific implementations include:

  1. Deploying dedicated DNS servers within the corporate network
  2. Enforcing corporate DNS through DHCP services
  3. Establishing a mapping between IP addresses and workstation locations

Technical Principles of Monitoring

Even with widespread HTTPS adoption, DNS queries are still transmitted in plaintext. This means:

  • All domain-resolution requests are logged
  • While the specific content accessed cannot be seen, the visited domain names are known
  • Combined with timestamps, this allows analysis of employees’ browsing behavior patterns

Personal Privacy-Protection Solutions

To reasonably protect personal privacy, consider the following options:

  • Use your personal mobile network
  • Configure a private DNS service
  • Employ a secure VPN service

Please note: When implementing any privacy-protection measures, comply with relevant laws, regulations, and corporate policies.