PingAccess PingAccess Agent for IIS 1.4.3 (December 2020) Expand/Collapse All PingAccess Agent for IIS 1.4.3 (December 2020) Agent SDK for C compatibility Info Compatible with the Agent SDK for C version 1.3. Disable IIS caching only when modifying response Improved Updated the agent to only disable IIS caching when the agent modifies the response. This preserves performance while mitigating an IIS session swapping vulnerability.