Network Management Suggestions


I have just set up a wonderful new transparent bridge/firewall and am looking for suggestions on good additions to my networking toolbelt. Running FreeBSD on a brnad new little server with a 40GB HDD, 256MB Ram for a dozen web/mail/ftp servers.

I am pretty impressed with one particular thing I found - iftop - (for the first time ever I see what is happening on the network) and realized there is probably a whole world opening up to me in the FreeBSD CLI world.

What other "critical networking tools" do you guys swear by?

Please comment on the following, which I have never used, but see a lot of press about;

1) BandwidthD
2) Snort (and related additions?) / Hogwash
3) MRTG
4) ntop

If you can give me a "programs you can't live without" list for managing a network, that would be swell. Think bandwidth monitoring, bandwith limiting, intrusion detection, etc.

Any suggestions are welcome...
seanostephensAsked:
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
MRTG is nice - we used it at my last position.  In addition, we implemented the free, though somewhat complex and cumbersome to setup Nagios for server and network monitoring.  You might want to look at that - though there are other products including big brother and big sister, I believe (two seperate products).
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