SSL error showing on my site while I’m using WiFi but 4G works fine

Understanding SSL Errors: Troubleshooting Connectivity Issues on Your Website

If you’ve recently encountered an SSL error while attempting to access your company’s website over WiFi, but experience no issues when switching to mobile data, you’re not alone. Such incidents can be confusing and disruptive, especially when they appear limited to your device and network environment. This article aims to shed light on possible causes and practical solutions for resolving SSL-related access problems.

Common Scenario: SSL Errors on WiFi, Smooth Access on 4G

Many users report that their SSL certificates function correctly when using mobile data (4G), yet display errors when connected via WiFi. Interestingly, colleagues on the same network often don’t experience these issues, suggesting that the problem could be localized to your device or network settings rather than the website itself.

Why Does this Happen?

Several factors can contribute to SSL errors that appear only on specific networks or devices:

1. Network Configuration and Firewall Settings
   Sometimes, local network restrictions or firewalls may interfere with SSL traffic, causing errors when your device attempts to establish a secure connection.

2. Device or Browser Cache Issues
   Cached SSL certificates or outdated browser data can lead to miscommunications with secure servers.

3. Incorrect Date and Time Settings
   SSL certificates rely heavily on accurate system clocks. An incorrect date or time on your device can trigger security warnings.

4. Network Security Software or VPNs
   Security applications or VPNs operating on your device might interfere with SSL handshakes, leading to errors.

5. Issues with the Local Network Gateway or DNS Settings
   Malconfigured DNS or gateway settings may prevent your device from correctly resolving the website’s SSL certificate.

Troubleshooting Steps

Here are some practical steps to identify and resolve SSL errors specific to your WiFi connection:

1. Verify Device Date and Time
   Ensure your device’s clock is accurate as SSL certificates depend on valid timestamps.

2. Clear Browser Cache and Cookies
   Removing stored data can resolve conflicts with outdated certificate information.

3. Try a Different Browser
   Test access using alternative browsers to determine if the issue is browser-specific.

4. Reset Network Settings
   Restart your WiFi router, and on your device, reset network configurations to refresh network pathways.

5. Disable Security Software Temporarily
   Turn off any VPNs or security applications to see if they are causing interference.

6. **Check for Browser