In some cases, however, manually setting RWIN may decrease performance because it takes the control away from windows, and if the MTU is negotiated to a different value, then the size of the RWIN is no longer an whole integer multiple. For this to be effective you must make sure your MTU is set where it will not be negotiated to a lower value. TTL is a field in the IP header which indicates how long a packet should be allowed to survive before it is discarded. TTL essentially determines the maximum number of hops permitted. Windows 95 default is 32, but with the Internet growing larger all the time, it is worth changing it to the larger setting of 64.
Session Keep Alive Specifies how often to send session keepalive packets on active sessions.
This will keep connections that have stalled from timing out. The minimum is 1 minute. The default is 60 minutes. The recommended setting is 10 minutes. A hosts file is a local file used by Windows to retrieve an IP address for a domain name.