Managed Transforms is the next step on a journey to make HTTP header modification a trivial task for our customers. In early 2021 the only way for Cloudflare customers to modify HTTP headers was by writing a Cloudflare Worker. We heard from numerous customers who wanted a simpler way.
In June 2021 we introduced Transform Rules, giving customers a simple UI letting them specify what the custom HTTP header’s name and value is—either a static string (i.e. X-My-CDN: Cloudflare
) or a dynamically populated value (i.e. X-Bot-Score: cf.bot_management.score
).
This made the job much simpler, however there is still a good amount of thought required—with a number of potential drop-off points on the user journey. For example, in order to dynamically populate the bot score into the value of an HTTP request header, the user needs to know the correct field name. To find that they'll need to go to the documentation site, find the correct section, etc.
When we analyzed how our customers use Transform Rules we found a set of very common use cases in the data. Four of the top eight fields used were relating to bot management; customers wanting to have the Continue reading
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AWS Identity and Access Management (IAM) provides access control for AWS users/applications to the various AWS services and resources. Features Available only in the Global region Globally resiliant service Always free service Account Types There are a number of account...continue reading
With this post, we kick off a new series based on Juniper Apstra. This post serves as an introduction to Apstra - we’ll look at what a true IBN system is, how relational and graph databases are different (and why graph databases are ideal for network infrastructure), concluding with some general workflows in Apstra.
IPv6’s designers built the concept of Unique Local Addresses, or ULAs, into the addressing architecture to make network address translation unnecessary for IPv6 deployments. As with many other plans of mice and men, however, the unintended consequences of what is a good idea tend to get in the way. Nick Buraglio joing Eyvonne Sharp, Tom Ammon, and Russ White to discuss the many problems of IPv6 ULA, why it isn’t practical in most network deployments, and the larger question of how standards bodies sometimes fail to consider the unintended consequences of a good idea.
On May 19, 2021, a Microsoft blog post announced that “The future of Internet Explorer on Windows 10 is in Microsoft Edge” and that “the Internet Explorer 11 desktop application will be retired and go out of support on June 15, 2022, for certain versions of Windows 10.” According to an associated FAQ page, those “certain versions” include Windows 10 client SKUs and Windows 10 IoT. According to data from Statcounter, Windows 10 currently accounts for over 70% of desktop Windows market share on a global basis, so this “retirement” impacts a significant number of Windows systems around the world.
As the retirement date for Internet Explorer 11 has recently passed, we wanted to explore several related usage trends:
Publicly released in January 2020, and automatically rolled out to Windows users starting Continue reading
Linux Security Modules (LSM) is a hook-based framework for implementing security policies and Mandatory Access Control in the Linux kernel. Until recently users looking to implement a security policy had just two options. Configure an existing LSM module such as AppArmor or SELinux, or write a custom kernel module.
Linux 5.7 introduced a third way: LSM extended Berkeley Packet Filters (eBPF) (LSM BPF for short). LSM BPF allows developers to write granular policies without configuration or loading a kernel module. LSM BPF programs are verified on load, and then executed when an LSM hook is reached in a call path.
Modern operating systems provide facilities allowing "partitioning" of kernel resources. For example FreeBSD has "jails", Solaris has "zones". Linux is different - it provides a set of seemingly independent facilities each allowing isolation of a specific resource. These are called "namespaces" and have been growing in the kernel for years. They are the base of popular tools like Docker, lxc or firejail. Many of the namespaces are uncontroversial, like the UTS namespace which allows the host system to hide its hostname and time. Others are complex but straightforward - NET and NS (mount) namespaces Continue reading
We are proud to announce that we have won the 2022 Microsoft OSS on Azure Partner of the Year award! The Microsoft Partner of the Year Awards recognize Microsoft partners that have developed and delivered outstanding Microsoft-based applications, services, and devices during the past year. Awards were classified in various categories, with honorees chosen from a set of more than 3,900 submitted nominations from more than 100 countries worldwide. Tigera was recognized for providing outstanding solutions and services for open source on Azure.
Since June 2021, Tigera and Microsoft Azure together provide users with active build, deploy, and runtime security with full-stack observability for securing, monitoring, and troubleshooting containers on Azure and AKS. Tigera works closely with Microsoft to offer networking, security, and observability for containerized workloads running in Microsoft Azure.
We are very proud to be recognized as Microsoft’s Partner of the Year for OSS on Azure as it re-affirms the reach and pervasiveness of Tigera’s Calico Open Source solution for container networking and security on Azure and AKS. As enterprises standardize across Microsoft Azure, customers require a resource-efficient and scalable networking and security solution that protects the workloads in a hybrid environment extending from the cloud (Azure and Continue reading