DOKK / manpages / debian 10 / freeradius-common / radsniff.8.en
RADSNIFF(8) System Manager's Manual RADSNIFF(8)

radsniff - dump radius protocol

radsniff [-c count] [-d directory] [-F] [-f filter] [-h] [-i interface] [-I filename] [-m] [-p port] [-r requestfilter] [-R responsefilter] [-s secret] [-S] [-w file] [-x]

radsniff is a simple wrapper around libpcap. It can also print out the contents of RADIUS packets using the FreeRADIUS dictionaries.

Number of packets to capture.
Directory where the dictionaries are found.
Filter PCAP file from stdin to stdout. Output file will contain RADIUS packets.
PCAP filter. (default is udp port 1812 or 1813)
Print usage help information.
Interface to capture.
Read packets from filename.
Print packet headers only, not contents.
Listen for packets on port.
RADIUS attribute request filter.
RADIUS attribute response filter.
RADIUS secret.
Sort attributes in the packet. Used to compare server results.
Write output packets to file.
Print out debugging information.

radiusd(8),pcap(3)

Nicolas Baradakis <nicolas.baradakis@cegetel.net>