Here's what I get:# lsof -i:443COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAMEjava 710 root 245u IPv6 49204 0t0 TCP server.site1.com:52752->central.crashplanpro.com:https (ESTABLISHED)squid 1961 squid 13u IPv4 19134 0t0 TCP server.site1.com 55151->ec2-52-32-170-59.us-west-2.compute.amazonaws.com:https (ESTABLISHED)squid 1961 squid 20u IPv4 164585 0t0 TCP server.site1.com 43093->a23-210-206-246.deploy.static.akamaitechnologies.com:https (ESTABLISHED)squid 1961 squid 26u IPv4 18354 0t0 TCP server.site1.com 48181->ec2-52-20-156-66.compute-1.amazonaws.com:https (ESTABLISHED)and# apache2ctl restarthttpd not running, trying to start(98)Address already in use: AH00072: make_sock: could not bind to address [::]:443(98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80no listening sockets available, shutting downAH00015: Unable to open logsSo four established connections, one of which is IPV6 (a backup resource). Why am I limited to 4 connections?