Cisco ASA 5500 CSC SSM20 Plus License | Spam, URL Filtering, Security — L-ASA-CSC20-PLUS=

Strengthen perimeter control on Cisco ASA 5500 deployments with the CSC SSM20 Plus license. Built for environments that need more than basic firewalling, this entitlement adds spam and URL protection to help reduce user exposure to unwanted mail, malicious sites, and policy violations. For teams protecting distributed offices or shared internet gateways, the value is in keeping security enforcement close to the traffic path. Instead of adding a separate filtering stack, this license extends the ASA platform you already manage, helping simplify operations while preserving a consistent security posture. It is a practical fit for organizations that need to control web access and email threats at the edge, especially where compliance, user productivity, and incident reduction matter. By adding content security functions to an established Cisco platform, it supports a more complete defense strategy without changing the underlying architecture. Ideal For Filtering spam and web threats on a Cisco ASA 5500 perimeter Adding URL control to branch office internet access policies Extending content security on an installed ASA firewall environment Supporting compliance-focused edge security controls Why This Product 1 Adds content filtering to an existing ASA 5500 deployment 2 Targets spam and URL control rather than basic firewall functions 3 Keeps security enforcement within the Cisco platform 4 Fits organizations that need edge policy control without new hardware