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Category Archives for "Networking"

Untangle Rolls Out Predictive Routing to SD-WAN Router

The technology is designed to translate information from packet headers, out of band information,...

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WiFi 6 Feeds Need for Speed With 5X Spectrum Boost

It’s the largest swath of spectrum allocated for WiFi since 1989, and it comes as WiFi 6 begins...

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Daily Roundup: AT&T Selects Stankey as New CEO

AT&T selected Stankey as new CEO; Verizon claimed its 5G is COVID-19 proof; and Intel posted...

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Intel Posts Strong Q1 Earnings, Warns of Q2 Headwinds

Despite pandemic related challenges, Intel reported revenues of $19.8 billion for the quarter, up...

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Verizon Claims 5G Plans Immune to COVID-19

Verizon’s 5G network was live in 34 U.S. cities at the end of the quarter, and CEO Hans Vestberg...

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AT&T CEO Shake Up Sees Stephenson Out, Stankey In

The move comes on the heels of AT&T’s most recent quarterly earnings release that was...

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Blessay: Coin-Operated Evangelism

This article was first published in Packet Pushers Human Infrastructure Magazine. An email newsletter that talks about being a human in technology. You can subscribe, for free here.  I struggle with the concept of ‘corporate evangelism’.  So here are some thoughts on the topic.  Religious Roots Evangelism is a religious principle that your belief is […]

The post Blessay: Coin-Operated Evangelism appeared first on EtherealMind.

Eventually Secure?

I have a Disney+ account. I have kids and I like Star Wars, so it made sense. I got it all set up the day it came out and started binge watching the Mandalorian. However, in my haste to get things up and running I reused an old password instead of practicing good hygiene. As the titular character might scold me, “This is not the way.” I didn’t think anything about it until I got a notification that someone from New Jersey logged into my account.

I panicked and reset my password like a good security person should have done in the first place. I waited for the usual complaints that people had been logged out of the app and prepared to log everyone in again and figure out how to remove my New Jersey interloper. Imagine my surprise when no one came to ask me to turn Phineas and Ferb back on. Imagine my further surprise when I looked in the app and on the Disney+ website and couldn’t find a way to see which devices were logged in to this account. Nor could I find a way to disconnect a rogue device as I could with Netflix Continue reading

Monitoring DDoS mitigation

Real-time DDoS mitigation using BGP RTBH and FlowSpec and Pushing BGP Flowspec rules to multiple routers describe how to deploy the ddos-protect application. This article focuses on how to monitor DDoS activity and control actions.

The diagram shows the elements of the solution. Routers stream standard sFlow telemetry to an instance of the sFlow-RT real-time analytics engine running the ddos-protect application. The instant a DDoS attack is detected, RTBH and / or Flowspec actions are pushed via BGP to the routers to mitigate the attack. Key metrics are published using the Prometheus exporter format over HTTP and events are sent using the standard syslog protocol.
The sFlow-RT DDoS Protect dashboard, shown above, makes use of the Prometheus time series database and the Grafana metrics visualization tool to track DDoS attack mitigation actions.
The sFlow-RT Countries and Networks dashboard, shown above, breaks down traffic by origin network and country to provide an indication of the source of attacks.  Flow metrics with Prometheus and Grafana describes how to build additional dashboards to provide additional insight into network traffic.
In this example, syslog events are directed to an Elasticsearch, Logstash, and Kibana (ELK) stack where they are archived, queried, and analyzed. Grafana Continue reading

Stream Firewall Events directly to your SIEM

Stream Firewall Events directly to your SIEM
Stream Firewall Events directly to your SIEM

The highest trafficked sites using Cloudflare receive billions of requests per day. But only about 5% of those requests typically trigger security rules, whether they be “managed” rules such as our WAF and DDoS protections, or custom rules such as those configured by customers using our powerful Firewall Rules and Rate Limiting engines.

When enforcement is taken on a request that interrupts the flow of malicious traffic, a Firewall Event is logged with detail about the request including which rule triggered us to take action and what action we took, e.g., challenged or blocked outright.

Previously, if you wanted to ingest all of these events into your SIEM or logging platform, you had to take the whole firehose of requests—good and bad—and then filter them client side. If you’re paying by the log line or scaling your own storage solution, this cost can add up quickly. And if you have a security team monitoring logs, they’re being sent a lot of extraneous data to sift through before determining what needs their attention most.

As of today, customers using Cloudflare Logs can create Logpush jobs that send only Firewall Events. These events arrive much faster than our existing HTTP Continue reading

Overlay Networking with Ouroboros on Software Gone Wild

This podcast introduction was written by Nick Buraglio, the host of today’s podcast.


As private overlays are becoming more and more prevalent and as SD-WAN systems and technologies advance, it remains critical that we continue to investigate how we think about internetworking. Even with platforms such as Slack Nebula, Zerotier, or the wireguard based TailScale becoming a mainstream staple of many businesses, the question of “what is next” is being asked by an ambitious group of researchers.

Daily Roundup: Deutsche Telekom, Vodafone Embrace 5G DSS

Deutsche Telekom, Vodafone Germany embraced 5G DSS; Edgewise Networks CEO shared security-related...

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AT&T Tops Managed SD-WAN Ranking, CenturyLink Surges

CenturyLink experienced the single largest gain in billable installations in 2019, according to...

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Will Zero-Trust Security Stick After COVID-19?

Edgewise Networks CEO Peter Smith discusses the rapid shift to remote work because of COVID-19 and...

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Deutsche Telekom, Vodafone Germany Embrace 5G DSS

The race to blanket Germany with 5G got underway last July and market leader Deutsche Telekom now...

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Internet performance during the COVID-19 emergency

Internet performance during the COVID-19 emergency

A month ago I wrote about changes in Internet traffic caused by the COVID-19 emergency. At the time I wrote:

Cloudflare is watching carefully as Internet traffic patterns around the world alter as people alter their daily lives through home-working, cordon sanitaire, and social distancing. None of these traffic changes raise any concern for us. Cloudflare's network is well provisioned to handle significant spikes in traffic. We have not seen, and do not anticipate, any impact on our network's performance, reliability, or security globally.

That holds true today; our network is performing as expected under increased load. Overall the Internet has shown that it was built for this: designed to handle huge changes in traffic, outages, and a changing mix of use. As we are well into April I thought it was time for an update.

Growth

Here's a chart showing the relative change in Internet use as seen by Cloudflare since the beginning of the year. I've calculated moving average of the trailing seven days for each country and use December 29, 2019 as the reference point.

Internet performance during the COVID-19 emergency

On this chart the highest growth in Internet use has been in Portugal: it's currently running at about a 50% increase Continue reading

Final Results of the 2020 Board Elections and IETF Selection

The Internet Society Elections Committee is pleased to announce the final results of the 2020 elections and the IETF selection for the Board of Trustees.

The voting concluded on 3 April. The results were announced and the challenge period was opened on 6 April. The deadline to file challenges was 15 April. One challenge was filed in the Chapters election. In accordance with the Procedures for Selecting Trustees, Internet Society President Andrew Sullivan, the chairs of the Nominations and Elections committees, and the other members of the board discussed the merits of the challenge. In the end, the board decided that the challenge was without merit and rejected it.

Therefore, the election results announced on 6 April stand:

Also, following the process documented in RFC 3677, the Internet Architecture Board, on behalf of the IETF, has selected:

The term of office for all of the new Trustees will be three years, commencing with the 2020 Annual General Meeting, 1-2 August.

The Elections Committee congratulates all the new Trustees and expresses its gratitude once more to all Continue reading