This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.
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Token-ring thingy majigy
Kate Godfrey writes in an email: "As I was recently rummaging through the lab for a token ring type 1 cable for some industrial art I decided to make we had a ''fascinating conversation'' for which we had no conclusion.
Do you remember a sort of square box which had around 4 type 1 connections and one in the middle to stack to another one of the boxes. So you could sort of chain together a TR network without a hub. Any idea what that was called?"
Anyone recall what the thingy majigy was called. I think it might have been something like a four-port hub???
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall
This freeware utility allows monitoring of supporting SNMPv1 and SNMPv2c devices including Cisco. Intended as fast aid for network administrators who need prompt access to current information about state of network equipment. Access STG here (original site) or alternatively here .