thanx Guy, thanx John for the prompt response. Guy, What I mean to say is -- I m not able to use the Filter Preferences in the pop-down menu of ethereal GUI. I am not able to create a new filter from that option. However, I am able to use filters using the pane below the hex dump pane. regards, Subramanian On Tue, 25 Apr 2000, Guy Harris wrote: > > i downloaded ethereal for Red Hat Linux 6.1. I followed the instructions > > to install it and ethereal ran well. However, I am not able to configure > > filters. > > What do you mean by "I am not able to configure filters"? > > Do you mean that when you try to specify a capture filter it reports an > error? > > If so, note that the man page does *not* describe the syntax of capture > filters, it just says that > > Packet capturing is performed with the pcap library. The > capture filter syntax follows the rules of the pcap library. > This syntax is different from the display filter syntax. > > and later says: > > CAPTURE FILTER SYNTAX > See manual page of tcpdump(8). >
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