IPTRAF(8) System Manager's Manual IPTRAF(8) NAME iptraf - Interactive Colorful IP LAN Monitor SYNOPSIS iptraf { [ -f ] [ -q ] [ -u ] [ { -i iface | -g | -d iface | -s iface | -z iface | -l iface } [ -t timeout ] [ -B [ -L logfile ] ] ] | [ -h ] } DESCRIPTION iptraf is an ncurses-based IP LAN monitor that generates various net‐ work statistics including TCP info, UDP counts, ICMP and OSPF informa‐ tion, Ethernet load info, node stats, IP checksum errors, and others. If the iptraf command is issued without any command-line options, the program comes up in interactive mode, with the various facilities accessed through the main menu. OPTIONS These options can also be supplied to the command: -i iface immediately start the IP traffic monitor on the specified inter‐ face, or all interfaces if "-i all" is specified -g immediately start the general interface statistics -d iface allows you to immediately start the detailed on the indicated interface (iface) -s iface allows you to immediately monitor TCP and UDP traffic on the specified interface (iface) -z iface shows packet counts by size on the specified interface -l iface start the LAN station monitor on the specified interface, or all LAN interfaces if "-l all" is specified -t timeout tells IPTraf to run the specified facility for only timeout min‐ utes. This option is used only with one of the above parame‐ ters. -B redirect standard output to /dev/null, closes standard input, and forks the program into the background. Can be used only with one of the facility invocation parameters above. Send the backgrounded process a USR2 signal to terminate. -L logfile allows you to specify an alternate log file name. The default log file name is based on either the interface selected (detailed interface statistics, TCP/UDP service statistics, packet size breakdown), or the instance of the facility (IP traffic monitor, LAN station monitor). If a path is not speci‐ fied, the log file is placed in /var/log/iptraf -f clears all locks and counters, causing this instance of IPTraf to think it's the first one running. This should only be used to recover from an abnormal termination or system crash. -u allow use of unsupported interfaces as ethernet devices. This is needed if you changed the name of an interface (ex: ip link set eth0 name foo0) -q no longer needed, maintained only for compatibility. -h shows a command summary SIGNALS SIGUSR1 - rotates log files while program is running SIGUSR2 - terminates an IPTraf process running in the background. FILES /var/log/iptraf/*.log - log file /var/lib/iptraf/* - important IPTraf data files SEE ALSO Documentation/* - complete documentation written by the author AUTHOR Gerard Paul Java (riker@mozcom.com) MANUAL AUTHOR Frederic Peters (fpeters@debian.org), using iptraf -h General manual page modifications by Gerard Paul Java (riker@mozcom.com) IPTraf Help Page IPTRAF(8)