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raddump(1) General Commands Manual raddump(1) NAME raddump - decipher captured RADIUS packets SYNOPSIS raddump [-?vsn] < pktfile DESCRIPTION raddump(1) interprets captured RADIUS packets to print details about them, including a timestamp, packet lengths, RADIUS packet type, source and destination hosts and ports, and included attribute names and val- ues. It is primarily useful in conjunction with packet capture programs such as tcpdump(1) or snoop(1M), and can be used either on a saved file or in a pipeline to monitor ongoing communications. raddump(1) currently understands packet traces that are RFC 1761-com- pliant (e.g. those produced by snoop v2) as well as those that are stored in the libpcap format (e.g. those produced by tcpdump). rad- dump(1) is able to distinguish these file formats on the fly, so it is not necessary to indicate which type of trace you are feeding it. OPTIONS -? print a usage summary -v increase verbosity of output. Multiple -v arguments increase verbosity. Without any -v's, raddump(1) will print simply a one- line summary per packet consisting of timestamp, source and des- tination host and port, RADIUS packet type, and RADIUS packet size. With one -v argument, raddump(1) will also print any attributes contained in the packet, including the attribute name and value. For attributes containing binary data, the actual contents are not printed, just a summary indicating the size of the binary data. With two -v arguments, raddump(1) will additionally print a hex dump of any attributes containing binary data. -n By default, raddump(1) does a reverse DNS lookup on the source and destination IP addresses and prints the associated host- names. The -n switch suppresses this lookup, so that raddump(1) will simply print the IP addresses in dotted quad notation. -s Print short hostnames. If hostnames are being printed, omit the domain part of the hostname. EXAMPLES With a saved packet trace: $ raddump < pktfile For real-time monitoring with snoop: $ mkfifo ./snoopfifo $ snoop -q -s 1500 -o ./snoopfifo udp port 1812 & $ raddump < snoopfifo For real-time monitoring with tcpdump: $ tcpdump -s 1500 -w - udp port 1812 | raddump SEE ALSO tcpdump(1), snoop(1M), pcap(3), RFC 1761 AUTHORS The original author of raddump(1) was Jon Moore. BUGS Please send bug reports, enhancements, or questions to: jonm@isc.upenn.edu raddump(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO | AUTHORS | BUGS
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