Realtime CLI Netzwerkmonitoring auf Linux

jnettop:
apt-get install jnettop


Usage: jnettop [-hv] [-i interface] [-d filename]
-h, --help display this help message
-v, --version display version information

-c, --content-filter disable content filtering
-d, --debug filename write debug information into file (or syslog)
--display type type of display (curses, text, uia)
-f, --config-file name reads configuration from file. defaults to ~/.jnettop
--format format list of fields to list in text output
-i, --interface name capture packets on specified interface
--local-aggr arg set local aggregation to none/host/port/host+port
-n, --no-resolver disable resolving of addresses
-p, --promiscuous enable promisc mode on the devices
--remote-aggr arg set remote aggregation to none/host/port/host+port
-s, --select-rule rule selects one of the rules defined in config file
by it's name
-t, --timeout sec timeout in seconds after which jnettop ends (text display)
-x, --filter rule allows for specification of custom filtering rule
this follows tcpdump(1) syntax. don't forget to
enclose the filter in quotes when running from shell

Format variable can be CSV (comma separated values), TSV (tab separated values)
or completelly custom format string, where the following identifiers are subst-
ituted when surrounded by '$':
src, srcname, srcport, srcbytes, srcpackets, srcbps, srcpps,
dst, dstname, dstport, dstbytes, dstpackets, dstbps, dstpps,
proto, totalbytes, totalpackets, totalbps, totalpps, filterdata

example:
jnettop --display text -t 5 --format CSV
jnettop --display text -t 5 --format '$srcname$,$srcport$,$dstname$,$dstport$,$totalbps$'

iptraf
apt-get install iptraf

iptraf [ -f ] [ -u ] [ { -i iface | -g | -d iface | -s iface | -z iface |
-l iface } [ -t timeout ] [ -B ] [ -L logfile ] [-I interval] ]

Issue the iptraf command with no parameters for menu-driven operation.
These options can also be supplied to the command:

-i iface - start the IP traffic monitor (use "-i all" for all interfaces)
-g - start the general interface statistics
-d iface - start the detailed statistics facility on an interface
-s iface - start the TCP and UDP monitor on an interface
-z iface - shows the packet size counts on an interface
-l iface - start the LAN station monitor ("-l all" for all LAN interfaces)
-B - run in background (use only with one of the above parameters)
-t timeout - when used with one of the above parameters, tells
the facility to run only for the specified number of
minutes (timeout)
-L logfile - specifies an alternate log file for any direct invocation
of a facility from the command line. The log is placed in
/var/log/iptraf if path is not specified.
-I interval - specifies the log interval for all facilities except the IP
traffic monitor. Value is in minutes.
-f - clear all locks and counters. Use with great caution.
Normally used to recover from an abnormal termination.

-u - allow use of unsupported interfaces as ethernet devices.

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