Click on the following link to download:
http://iasecontent.disa.mil/stigs/zip/Oct2015/U_Network_Firewall_V8R19_STIG.zip
Network Firewall STIG - Version 8, Release 19
Content Type:Standalone XCCDF 1.1.4
Checklist Installation Tool: Rollback Capability:SHA-256: AD0096C477FFBDC8FAB643B45B58963E0E08E977DC69300D78F055635C45D0A5