<flagname="ecap">Adds support for loadable content adaptation modules (http://www.e-cap.org)</flag>
<flagname="esi">Enable ESI for accelerators, will cause squid reverse proxies to be capable of the Edge Acceleration Specification (www.esi.org)</flag>
<flagname="htcp">Enable HTCP protocol</flag>
<flagname="logrotate">Use <pkg>app-admin/logrotate</pkg> for rotating logs</flag>
<flagname="qos">Adds support for Quality of Service using netfilter conntrack - see qos_flow directive for more info</flag>
<flagname="ssl-crtd">Adds support for dynamic SSL certificate generation in SslBump environments</flag>
<flagname="tproxy">Enables real Transparent Proxy support for Linux Netfilter TPROXY</flag>
<flagname="wccp">Enable Web Cache Coordination Protocol</flag>
<flagname="wccpv2">Enable Web Cache Coordination V2 Protocol</flag>