Network Tools Cheatsheet
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| How Do I... | Tool | Notes |
|---|---|---|
| See traffic on the network Analyze traffic on the network See what sessions are active |
tcpdump wireshark trafshow iptraf etherape |
|
| Collect traffic information |
ntop nfsen netflow dashboard pmGraph |
|
|
See if a host is up See the path to the host Check if a service answers |
ping traceroute mtr telnet echoping nmap |
|
| See the bandwidth between 2 points |
bing iperf |
|
|
Analyze DNS trafcic Collect DNS statistic |
dnstop dsc |
|
| Find IPs, MACs and equipment | netdisco | |
| Monitor services, hosts, equipment |
nagios zabbix ZenOSS hyperic OpenNMS nagiosgraph apan |
|
| Graph network traffic |
mrtg cacti |
|
| Manage trouble tickets |
RT Trac RedMine |
Scales well and does email to tickets. Excellent wiki, project managment, email to tickets is hard |
| Automate configuration and backup of equipment | Rancid | |
| Collect and organize logs | syslog-ng | |
| Monitor logs for events |
swatch sec |
|
| Enable SNMP on my hosts |
snmpd snmptt |
|
| Monitor intrusion attempts |
snort prelude |
|
| Scan my network for vulnerabilities |
nessus nmap |