'ip and ip[0] & 0xf0 != 0x40' Honza > Hello, > What is the simplest, lowest cost filter that can be set that is > guaranteed to not match any packets? I need this as I am dynamically > changing the filter and occasionally need to disable packet capture without > stopping the program. > > Is there a special value I can set that avoids any unnecessary tests? > > Thanx .. Joe. >
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