Anonymity and Abuse Reports
Last Thursday, ProPublica published an article critiquing our handling of some abuse reports that we receive. Feedback from the article caused us to reevaluate how we handle abuse reports. As a result, we've decided to update our abuse reporting system to allow individuals reporting threats and child sexual abuse material to do so anonymously. We are rolling this change out and expect it to be available by the end of the week.
I appreciate the feedback we received. How we handle abuse reports has evolved over the last six and a half years of Cloudflare's history. I wanted to take this opportunity to walk through some of the rationale that got us to this point and caused us to have a blindspot to the case that was highlighted in the article.
What Is Cloudflare?
Cloudflare is not a hosting provider. We do not store the definitive copy of any of the content that someone may want to file an abuse claim about. If we terminate a customer it doesn’t make the content go away. Instead, we are more akin to a specialized network. One of the functions of the network that we provide is to add security to the content Continue reading
Top Reasons To Attend AnsibleFest London 2017
I remember the first AnsibleFest I attended – it was San Francisco 2014. I had been with Ansible for a week and had flown out to meet some of my new colleagues.
As a user of Ansible for the past year, I'd discovered how cheery and helpful the community was. "Newbies" dropping by the IRC channel on Freenode were always helped out, no matter how simple the question. The community spirit is something many people comment on when first using Ansible.
I remember meeting core engineer Brian Coca for the first time at that AnsibleFest too, also a recent joiner to the company. Brian was asked that morning if he'd give a talk, a request he calmly accepted as if he'd been asked to make a cup of tea. Top tip – never miss a talk given by Brian, you will learn something new!
Later, during the happy hour, I talked with lots of attendees, many just wanting to tell us how much they'd enjoyed the day. It was great to see the open source community feel extending to our full day conferences.
Two and half years later and I still see that community spirit day in, day out. Only now it's Continue reading
OpenVPN TAP adapter MTU in Windows
Recently I was in need of setting up some windows clients to connect to my OpenVPN server. This server running on Linux, uses a specific MTU value (let’s say 1400) to ensure maximum compatibility with different clients over different links.
In addition to the OpenVPN process itself, the kernel must also know about the correct MTU so packet size could be adjusted before reaching the tun/tap interface.
This is very easy to do in Linux. In fact you most likely do not need to do anything at all. OpenVPN will adjusted the MTU of the tun/tap interface while creating it. You can check the interfaces effective MTU by using ip link show or ifconfig command.
The same however can not be said about Windows. In a typical scenario, OpenVPN is not even directly responsible for creating the said interface. Instead, it requires the interface to be already in placed (which is achieved by calling tapinstall.exe during the initial setup) and then it would connect to it.
So even though you have specified your MTU settings in the OpenVPN profile, at least at the time of writing, this does not reflect the MTU of the interface that Windows kernel would Continue reading
HPC System Delays Stall InfiniBand
Enterprise spending on servers was a bit soft in the first quarter, as evidenced by the financial results posted by Intel and by its sometime rival IBM, but the hyperscale and HPC markets, at least when it comes to networking, was a bit soft, according to high-end network chip and equipment maker Mellanox Technologies.
In the first quarter ended March 31, Mellanox had a 4.1 percent revenue decline, to $188.7 million, and because of higher research and development costs, presumably associated with the rollout of 200 Gb/sec Quantum InfiniBand technology (which the company has talked about) and …
HPC System Delays Stall InfiniBand was written by Timothy Prickett Morgan at The Next Platform.
Rambus, Microsoft Put DRAM Into Deep Freeze To Boost Performance
Energy efficiency and operating costs for systems are as important as raw performance in today’s datacenters. Everyone from the largest hyperscalers and high performance computing centers to large enterprises that are sometimes like them are trying squeeze as much performance as they can from their infrastructure while reining in power consumption and the costs associated with keeping it all from overheating.
Throw in the slowing down of Moore’s Law and new emerging workloads like data analytics and machine learning, and the challenge to these organizations becomes apparent.
In response, organizations on the cutting edge have embraced accelerators like GPUs and …
Rambus, Microsoft Put DRAM Into Deep Freeze To Boost Performance was written by Timothy Prickett Morgan at The Next Platform.
Some notes on #MacronLeak
Update: Several people [*] have pointed out Trend Micro reporting that Russian/APT28 hackers were targeting Macron back on April 24. Coincidentally, this is also the latest that emails appear in the dump.
Worth Reading: Commodifying words
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