nfdump: nfdump (netflow processing tools) nfdump: nfdump: nfdump is a set of tools to collect and process netflow data. It's nfdump: fast and has a powerful filter pcap like syntax. It supports netflow nfdump: versions v1, v5, v7, v9 and IPFIX as well as a limited set of sflow nfdump: and is IPv6 compatible. nfdump: nfdump: For CISCO ASA devices, which export Netflow Security Event Logging nfdump: (NSEL) records, please use nfdump-1.5.8-2-NSEL. nfdump: nfdump: homepage: http://nfdump.sourceforge.net