posting IPs for open proxies. Change duplicate comments error code "no anonymous posting" to "anonymous disallowed". Disallow anonymous posting with the checkbox when (1) it's turned off by setting nopost for the AC user or (2) when the user's srcid has "nopostanon" set. Remove unused method getUnsetFkCount().
itself. Used by BlockProxyNet.
block networks of proxies that may be used by attackers. By default the modifier 'nopostanon' is applied to exit nodes of the Tor anonymizing network.