TCP flags to match TCP flags to match Synchronise flag Acknowledge flag Finish flag Reset flag Urgent flag Push flag Explicit Congestion Notification flag Congestion Window Reduced flag Match flags not set Synchronise flag Acknowledge flag Finish flag Reset flag Urgent flag Push flag Explicit Congestion Notification flag Congestion Window Reduced flag Maximum segment size (MSS) u32:1-16384 Maximum segment size <min>-<max> TCP MSS range (use '-' as delimiter)