These are a bunch of tools that we investigated this week that we will be running on a weekly basis to give us better insight into our network to ensure high performance and minimize antivirus/spyware/intrusion threats.
Antivirus Software
NOD32 Server – for centralized management of virus scans and updates
Free online scanner for VMs – http://housecall65.trendmicro.com/
Network Performance/Monitoring Tools
Wireshark 1.1
Free Network protocol analyzer/sniffer
http://www.download.com/Wireshark/3000-2653_4-10668290.html?tag=mncol;rbxcrd
The Dude 3.0
Real-time network scanner, produces network map, shows graph of all traffic
http://www.softpedia.com/get/Network-Tools/Network-Monitoring/The-Dude.shtml
Advanced Port Scanner 1.3
Good tool to see what ports are open so that we can identify possible viruses, spyware and trojans
http://www.download.com/Advanced-Port-Scanner/3640-2085_4-10558709-2.html?ta
PingPlotter
Graphical tracert tool
http://www.pingplotter.com/freeware.html
Misc Websites
Bandwidth Monitoring Site
Measures download/upload speeds for internet connectivity
http://www.speedtest.net
DNS Scanning Website
Identifies errors with DNS and other free tools to measure network latency, website errors, etc.
http://dnsstuff.com
Firewall Logs
Weekly checks to see if there is anything unusual being recorded on all of our corporate firewalls.