Hi, I’m Richard. I’ve been around the Internet for a while. I work for Cisco now, and used to lead security for Firefox. I’ve published a few RFCs and served on the Internet Engineering Steering Group (the board of the IETF). I was a co-founder of Let’s Encrypt and I currently serve on its board. I care about the Internet, and I care about nonprofits. I’m also a member of the Board of the Internet
There has been a recent spate of well publicised Distributed Denial of Service (DDoS) attacks that bring websites down and render them useless, including Evernote and most recently Feedly. In light of this, here are some comments and tips to help companies evaluate and prepare not to be held for ransom or suffer lost reputation and sales as a result. DDoS attacks bombard a website with so many ext
In the first part of this trilogy, I discussed the importance of automatically provisioned second generation DNS in connection with Software Defined Networking (SDN) and Software Defined Data Centre (SDDC). In the second post, I talked about IP addressing, private enterprise networks, and how DHCP does not meet the requirements of multitenant Infrastructure-as-a-Service (IaaS) cloud environments.
Mail software consists of a large number of cooperating pieces, described in RFC 5598. A user composes a message with a Mail User Agent (MUA), which passes it to a Mail Submission Agent (MSA), which in turn usually passes it to a sequence of Mail Transfer Agents (MTAs), which eventually hand it to a Mail Delivery Agent (MDA) to place it in the user’s mail store. If the recipient user doesn’t read
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