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network_logging

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Network logging

NameDescriptionRemark
arp-scanSends ARP packets to hosts on the local network and displays any responses that are received
arpwatchKeep track of ethernet/ip address pairingsLogging
dsniffA collection of tools for network auditing and penetration testingIncludes tcpkill
iftopDisplay connected hosts and their bandwidth usage on an interface by host/root/iftop.rc example
h and ? toggle help
Compiling iftop
Warning: When we twice do s (or d) the hostname shows, briefly, api.yaunel.com . From their site: “Yaunel.com is a well-engineered Retargeting Marketing instrument which is released exclusively for advertiser. What is this doing in iftop?
iptstateA top-like display of IP Tables state table entriesShow which connections are made from the computer
log_tcpNetwork logger = tcpd Log the client hostname of incoming telnet, ftp, rsh, rlogin, finger etcetera requests
netstatPrint network connections, routing tables, interface statistics, masquerade connections, and multicast membershipsnetstat -vatn
pcaputils
tcpdNetwork logger = log_tcp. Log the client hostname of incoming telnet, ftp, rsh, rlogin, finger etcetera. requests
tcpdumpDump traffic on a network/usr/sbin/tcpdump -i eth0 -w $HOME/tcpdump.log. Met tshark kan de log geanalyseerd worden
tcpspyTCP/IP Connection MonitorRuns as a service, logs to syslog
tcpstatNetwork interface statistics reporting tool
tcpflowCaptures data transmitted as part of TCP connections (flows)
tcplistenGeneral TCP/IP serverPart of the tcputils package
tshark Wireshark commandline tool

Network usage measurment

NameDescriptionRemark
ifstatReport InterFace STATisticsexample: ifstat -SzT Dynamic. Not overall total
iptraf-ngInteractive Colorful IP LAN Monitorq Show the menu
lnstatUnified linux network statistics
nethogs
nload
nstatNetwork statistics toolsSee also rtacct
vnstat1)Network traffic monitorRuns a deamon: /usr/sbin/vnstatd -n. Show month overview with vnstat --iface eth0 --months. Some other options: --days, --hours, --iflist

Put a NIC in promiscuous mode

All packets on the network will be received by the network interface

ifconfig promisc

Disable it

ifconfig -promisc

tcpdump

CommandExplanation
tcpdump -n icmpShow ICMP packets only
tsharkHiermee kan de tcpdump log geanalyseerd worden

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network_logging.txt · Last modified: 02-01-2024 12:22 by wim