> Gorgon Commander: "Only if it is on your side. > Gorgon minion: "Is the Source dangerous?" > is there a built-in packet sniffer in redhat 9? > Ethereal might have been in that version as well. > would i go to execute it? also where should i go to check if ethereal > i type tcpdump and it says "bash: tcpdump: command not found" where > are frequently set up without /sbin and /usr/sbin in their path. > Aaron, are you doing it as root, or as a user? I ask that, because users > To: General Red Hat Linux discussion list > also, is there a nicer graphical sniffer built-into redhat? if not perhaps someone can suggest the best and newest one to download with the most possible decodes for protocols such as h.323 and sip for VoIP i added /usr/sbin/ to my "aaron" path, and now when i run tcpdump it says "tcpdump: no suitable device found" any ideas? > i was doing it as "aaron", after su'ing to root, tcpdump works "tcpdump: listening on eth0". Which case you must have CAP_NET_RAW in order to capture andĬAP_NET_ADMIN to enumerate network devices with, for example, To be set on a user\u2019s initial processes when (unless your distribution has a kernel that supports capabilityīits such as CAP_NET_RAW and code to allow those capabilityīits to be given to particular accounts and to cause those bits You must be root or tcpdump must be installed setuid to root There is one really good command in Linux/UNIX called man :-) To: General Red Hat Linux discussion list Other Linux users can install it, using their standard installation commands, followed by tcpdump.Moreover, network data sometimes contains confidential information, therefore, to access packets, we require root permission. Sometimes i forget to do the basic reading first thanks steve for the gracious reminder :)
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