On occasion, when explaining how to set up SSH’s public key authentication system, I am asked which is better, RSA or DSA keys. In the next few paragraphs I’ll attempt to answer that question. I’ll preface my discussion with the disclosure that while I have some expertise in Ethernet LANs and TCP/IP networking, I have [...]

I have noticed some confusion between the Ethernet Maximum Transmission Unit (MTU) and the TCP Maximum Segment Size (MSS), hopefully the following will explain it. If you are still (or are now) confused don’t hesitate to add a comment or send me an E-mail asking for clarification. First, STCP differentiates between TCP segments being sent [...]