First line windows DLL hijacking mitigation

Posted on by David Vassallo

The questions have started rolling in : how to stop the recent vulnerability discovered in Windows applications termed “Windows DLL hijaking”. This is quite a serious exploit, considering the ease of use of the tools already written to exploit this, and the huge number of applications found to be vulnerable. Add to that the difficulty … Continue reading First line windows DLL hijacking mitigation

Cisco ACL debugging – ip ACL logs do not show ports

Posted on by David Vassallo

During most cisco firewall or router troubleshooting, it is often necessary to trace or log which traffic is traversing the Cisco. Cisco includes a feature called "IP accounting" which is quite useful, but only to report on amount of traffic between two endpoints, or access list violations. Normal IP access lists are much more useful … Continue reading Cisco ACL debugging – ip ACL logs do not show ports