Option Name:htcp_clr_access
Replaces:
Requires:--enable-htcp
Default Value:Deny, unless rules exist in squid.conf.
Suggested Config:
# Allow HTCP CLR requests from trusted peers

	Allowing or Denying access to purge content using HTCP based
	on defined access lists.
	See htcp_access for details on general HTCP access control.

	htcp_clr_access  allow|deny [!]aclname ...

	This clause only supports fast acl types.
	See https://wiki.squid-cache.org/SquidFaq/SquidAcl for details.

acl htcp_clr_peer src 192.0.2.2 2001:DB8::2
htcp_clr_access allow htcp_clr_peer
htcp_clr_access deny all