Understanding Token-Ring Source Routing

This AppNote describes how source routing works with the IEEE 802.5 Token-Ring Network. As the first in a series of AppNotes on NetWare's source routing implementation, this document explains basic concepts necessary to understand how source routing works in a generic Token-Ring environment. It covers frame structure, route determination processes, and source-routing bridge operation.

Access the AppNote over at Microfous here.

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easywall - Web interface for easy use of the IPTables firewall on Linux systems written in Python3.

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

No Scrubs: The Architecture That Made Unmetered Mitigation Possible

When building a DDoS mitigation service it’s incredibly tempting to think that the solution is scrubbing centers or scrubbing servers. I, too, thought that was a good idea in the beginning, but experience has shown that there are serious pitfalls to this approach. Read the post of at Cloudflare's blog: N o Scrubs: The Architecture That Made Unmetered Mitigation Possible

Thinking problem management!

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