Tuesday, April 1, 2025

How to test a website being protected by WAF?

Put <script>alert("123")</script> in the URL
E.g. www.abc.com/<script>alert("123")</script>


Different WAF have different block page like the following:



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Saturday, March 29, 2025

Cisco ASA SSL certificate expired - Cisco Anyconnect error message


"AnyConnect cannot confirm it is connected to your secure gateway. The local network may not be trustworthy. Please try another network"

How to verify Cisco ASA SSL certificate expire or not?

Open browser to enter the URL of Cisco anyconnect to check the cert status

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TencentOS Server V4 released and new security enhancement

One of the major improvements which is support Open SCAP:

scap-security-guide 新增TencentOS Server V4 安全基线配置文件

This is very good enhancement in security given that Open SCAP which is NIST certified.

Reference:

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Tuesday, February 4, 2025

Microsoft OneDrive 25.004.0109.0002 (27-Jan-2025) issue

 It is failed to sync and cannot open after close the client if you running on Windows 11 23H2 and Office 365 (Version 2308)

Solution 1:

1. Upgrade Office 365 Version 2308 to latest patch (16731.21064)

2. Uninstall OneDrive

3. Delete onedrive remain file under C:\program files

4. Run wsreset.exe

5. Reinstall Onedrive


Solution 2:

1.  Upgrade Office 365 Version 2408

Remark: Some case need to uninstall and reinstall Onedrive but most cases upgrade Office 365 to 2408 will fix the issue


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Tuesday, January 28, 2025

Microsoft Intune Tunnel (VPN) hard to connect and also the always on VPN connection disconnect frequency

 The solution is reboot your Intune Tunnel Gateway Linux server will able to resolve this issue.

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Ruckus AP product nature

 If Ruckus AP overlap too much, it will cause the client keep connect and re-connect to different AP and it will make the connection very unstable. It need to turn the signal overlap area.


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How to check your company website meet one of the requirement of "The Caring Company Scheme"

In this program, there are requirement about your company website to customer need to meet Web Content Accessibility Guidelines(WCAG) 2.1 and also reach AA grade level.

To check your website, you can use https://www.accessibilitychecker.org/ to test it.

Reference:

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