The Apache "KeepAlive" directive should be configured appropriately. (1) On / Off (1) Apache configuration file: KeepAlive directive 1.9.1 Denial of Service Mitigation (Level 1, Scorable) Add or modify the KeepAlive directive in the Apache configuration to have a value of On, so that Keepalive connections are enabled. KeepAlive On page 71 1.13 Denial of Service Prevention Tuning p21 Rule Title: The KeepAlive directive must be enabled. STIG ID: WA000-WWA022 W22 Rule ID: SV-32987r1_rule Vuln ID: V-13725 Severity: CAT II Class: Unclass Rule Title: The KeepAlive directive must be enabled. STIG ID: WA000-WWA022 A22 Rule ID: SV-32844r1_rule Vuln ID: V-13725 Severity: CAT II Class: Unclass CIS Security Configuration Benchmark For Apache Web Server 2.2 Version 3.1.0 June 11th, 2012 CIS 2008-06-11 Version 3.1.0 Prose (PDF) Security Configuration Benchmark For Apache Web Server CIS 2008-11-01 Version 2.2.0 Prose (PDF) DISA STIG Apache SERVER 2.2 for Windows Release: 1 Benchmark Date: 23 Nov 2011 DISA 2011-11-23 V1R1 Prose (PDF) DISA STIG Apache SERVER 2.2 for Unix Release: 1 Benchmark Date: 23 Nov 2011 DISA 2011-11-23 V1R1 Prose (PDF)