Why do I see open connections under netstat or my firewall?
Proxomitron now features support for persistent connections and it’ll keep a few (up to 8) of the most recent connections open in case any further requests are made to that server. It’s a recommended as part of HTTP/1.1 and can improve overall speed (since making new connections involves some overhead). They’ll remain open but inactive until their needed again or one of the following happens… • The remote server or proxy closes the connection • It’s replaced by a newer connection • Any unexpected data is received on the connection • The Proxomitron’s abort button is pressed (this kills all connections) Often people ask why the connections remain even if they close their browser, but this is mixing apples and unauthorized biographies of Topo Gigo. Connections a proxy makes to a webserver are actually independent of the connections between the proxy and your browser. In fact, a proxy usually doesn’t even know if your browser is open or closed, but always must be prepared to accept new
