Handle IPv6 properly (host header parsing)

modules/auxiliary/server/capture/http.rb

@@ -162,14 +162,20 @@ class Metasploit3 < Msf::Auxiliary
 		os_name ||= 'Unknown'
 
 		mysrc = Rex::Socket.source_address(cli.peerhost)
-		hhead = (req['Host'] || @myhost).split(':', 2)[0]
+		hhead = (req['Host'] || @myhost)
 
-		if (req.resource =~ /^http\:\/+([^\/]+)(\/*.*)/)
+		if req.resource =~ /^http\:\/+([^\/]+)(\/*.*)/
+			hhead = $1
 			req.resource = $2
-			hhead, nport = $1.split(":", 2)[0]
-			@myport = nport || 80
 		end
 
+		if hhead =~ /^(.*):(\d+)\s*$/
+			hhead = $1
+			nport = $2.to_i
+		end
+		
+		@myport = nport || 80
+
 
 		cookies = req['Cookie'] || ''