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IPTRAF(8) IPTRAF(8)
NAME
iptraf - Interactive Colorful IP LAN Monitor
SYNOPSIS
iptraf { [ -f ] [ -q ] [ { -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 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.
-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 --help General man-
ual page modifications by Gerard Paul Java (riker@mozcom.com)
IPTraf Help Page IPTRAF(8)
Linux command: [root@ssjh]# yum install iptraf, [root@ssjh]# iptraf
