Tag Archives: solution

the dark

My home network is not so afraid of the dark… I have no guarantee of absolute protection from zero-day threats, but no one does. We can only do our best to keep up with current anti-virus and firewall rules, but … Continue reading

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Even old servers deserve our help.

You too may have spent some time recently, responding to the Shellshock threat. Most (many ?) sites had a pretty good grip and were able to apply available patches easily and reduce their visibility quickly. I thought of one client … Continue reading

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Multicast to Unicast and Vice Versa

Conversion from multicast to unicast, unicast to multicast and between multicast group addresses using a Cisco router Continue reading

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sendmail delivery to alternate port

Slightly dated, but still a very useful sendmail hack. My cable modem provider blocks not only outbound port 25 to anyone other than their own mail server, but they block inbound port 25 (as tho I am not responsible enough … Continue reading

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Hello world!

Welcome to NetSysHax.WordPress.com. This is the obligatory first post that comes with every new WordPress blog. We’ll just leave it in here, as we haven’t added much other content so far. This post will also seed the tag cloud. /;^)

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