Worth Reading: The revival of standards

Standards… what a boring, old fashioned and backwards oriented term. How can the representative of a vendor that claims to be open, elastic and forward thinking use it in a headline? Be honest… this was one of the thoughts that ran through your mind while reading the title. Now relax and sit back, the following blog might surprise you. — ECI

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iPad Pro vs. iPad mini 4 vs. iPad: Which one should you buy?

So you’re in the market for a new iPad. Excellent choice—I couldn’t live without mine. It’s my companion when I’m catching up on news and email in the morning over tea, reading a comic book in the evening to unwind, or watching a movie while traveling on a plane. Update 6-22-2017: This article has been updated to include information about the new 2017 iPad, as well as the upgrades to the iPad Pro line.But these days, picking an iPad can be tricky. Apple currently sells four different models of iPad, with prices ranging from $329 to $1229. There are size, storage, color, and connectivity options to consider. All in all, there are 60 different variations of iPad from which to choose. So which iPad is right for you? Read on.To read this article in full or to leave a comment, please click here

Echo Show Ships on Wednesday, Buy 2 and Get a $100 Discount Right Now – Deal Alert

The newly-announced Echo Show is available for pre-order in black or white and the shipping date is finally right around the corner: Wednesday, June 28. If you're interested, there are two things you need to know. Right now if you buy two of them and enter the code SHOW2PACK at checkout, you'll activate a $100 discount. So you'll get two new Echo Shows for the price of two standard Echos. Go in on this deal with a friend, or buy a few for yourself (they work very well in multiple rooms). The other thing you should know is that by selecting Prime 2-day shipping, Amazon will actually have the Echo Show on your doorstep the very day it's released. Echo Show brings you everything you love about Alexa, and now she can show you things. Amazon has announced an integration with some of the big names in wireless security cams, so you can simply say "Alexa, show me the front door camera". Echo Show should make a good kitchen assistant as well -- just ask for a recipe. You can watch news briefings, YouTube videos, ask for a weather forecast, video chat with family and friends (if they have Echos Continue reading

OpenVPN 2.3.17 on OpenBSD 6.0

On Jun 21, the OpenVPN team released an update for the 2.3.x and 2.4.x branches that resolved some newly discovered security vulnerabilities. The OpenVPN team recommends that users “upgrade to OpenVPN 2.4.3 or 2.3.17 as soon as possible“.

OpenBSD 6.0–which was released Sep 1 2016 and is still receiving security updates to the base system as per OpenBSD’s policy–shipped with a package for OpenVPN 2.3.11. Below you will find a patch and instructions for using the ports system to upgrade to version 2.3.11. Note that if you’re running OpenBSD 6.1, the ports tree has been updated to 2.4.3 so all you need to do is “cvs up” and “make install”.

Instructions:

  1. Follow the OpenBSD FAQ for instructions on how to download, verify, and extract the ports tree on your machine.
  2. Then:
% cd ports/net/openvpn
% patch < ~/openvpn-2.3.17p0.diff
% make install

Original article: OpenVPN 2.3.17 on OpenBSD 6.0

Copyright © 2017 Joel Knight . All Rights Reserved.

Apcela advises how to build a hybrid IT platform for better performance and stronger security

This column is available in a weekly newsletter called IT Best Practices. Click here to subscribe. To state the obvious, enterprises are moving their applications to the cloud, and this movement is happening at an accelerating pace. Many technology chiefs are working under a “cloud-first policy,” which means that if an application can be deployed as a service, then that should be the first choice for the way to go.While the applications themselves are moving to the cloud, the application delivery infrastructure is still stuck in the enterprise data center. Under the existing network architecture that most enterprises still have today, all traffic comes back to the enterprise data center before going out to the cloud. The on-premises data center is where the switching and routing, security, and application delivery controllers reside. This infrastructure is architected for a bygone era when applications were all in the data center.To read this article in full or to leave a comment, please click here

Apcela advises how to build a hybrid IT platform for better performance and stronger security

This column is available in a weekly newsletter called IT Best Practices. Click here to subscribe. To state the obvious, enterprises are moving their applications to the cloud, and this movement is happening at an accelerating pace. Many technology chiefs are working under a “cloud-first policy,” which means that if an application can be deployed as a service, then that should be the first choice for the way to go.While the applications themselves are moving to the cloud, the application delivery infrastructure is still stuck in the enterprise data center. Under the existing network architecture that most enterprises still have today, all traffic comes back to the enterprise data center before going out to the cloud. The on-premises data center is where the switching and routing, security, and application delivery controllers reside. This infrastructure is architected for a bygone era when applications were all in the data center.To read this article in full or to leave a comment, please click here

Apcela advises how to build a hybrid IT platform for better performance and stronger security

This column is available in a weekly newsletter called IT Best Practices. Click here to subscribe. To state the obvious, enterprises are moving their applications to the cloud, and this movement is happening at an accelerating pace. Many technology chiefs are working under a “cloud-first policy,” which means that if an application can be deployed as a service, then that should be the first choice for the way to go.While the applications themselves are moving to the cloud, the application delivery infrastructure is still stuck in the enterprise data center. Under the existing network architecture that most enterprises still have today, all traffic comes back to the enterprise data center before going out to the cloud. The on-premises data center is where the switching and routing, security, and application delivery controllers reside. This infrastructure is architected for a bygone era when applications were all in the data center.To read this article in full or to leave a comment, please click here

Project Jengo: Explaining Challenges to Patent Validity (and a looming threat)

Project Jengo: Explaining Challenges to Patent Validity (and a looming threat)

We’ve written a couple times about the problem of patent trolls, and what we are doing in response to the first case a troll filed against Cloudflare. We set a goal to find prior art on all 38 Blackbird Tech patents and applications and then obtain a legal determination that Blackbird Tech’s patents are invalid. Such a determination will end Blackbird’s ability to file or threaten to file abusive patent claims, against us or anyone else.

Project Jengo: Explaining Challenges to Patent Validity (and a looming threat)CC BY-SA 2.0 image by hyku

The patent system exists to reward inventors, so it is no surprise that a patent has to claim something new — an “invention.” Sometimes the United States Patent and Trademark Office (USPTO) — the agency that administers the patent system — mistakenly issues patents that do not claim anything particularly new. The patent examiner may not be aware that the proposed “invention” was already in use in the industry, and the patent applicant (the only party in the process) doesn’t have an incentive to share that information. Often, the USPTO issues patents that are too vague and can later be broadly interpreted by patent owners to cover different and subsequent technologies that could not otherwise Continue reading

It’s time to upgrade to TLS 1.3 already, says CDN engineer

Businesses dragging their heels over rolling out TLS 1.2 on their website might have an excuse to delay a little longer: Version 1.3 of the TLS (Transport Layer Security) encryption protocol will be finalized later this year, and early deployments of it are already under way.TLS, the successor to SSL, is used to negotiate secure connections to web or mail servers, encrypting data on the move.Six years in the making, TLS 1.2 added new, stronger encryption options -- but retained all the older, weaker encryption schemes that had gone before in the name of backward compatibility. Unfortunately, this meant that someone able to perform a man-in-the-middle attack could often downgrade connections to a weaker encryption system without the user being aware.To read this article in full or to leave a comment, please click here

It’s time to upgrade to TLS 1.3 already, says CDN engineer

Businesses dragging their heels over rolling out TLS 1.2 on their website might have an excuse to delay a little longer: Version 1.3 of the TLS (Transport Layer Security) encryption protocol will be finalized later this year, and early deployments of it are already under way.TLS, the successor to SSL, is used to negotiate secure connections to web or mail servers, encrypting data on the move.Six years in the making, TLS 1.2 added new, stronger encryption options -- but retained all the older, weaker encryption schemes that had gone before in the name of backward compatibility. Unfortunately, this meant that someone able to perform a man-in-the-middle attack could often downgrade connections to a weaker encryption system without the user being aware.To read this article in full or to leave a comment, please click here

It’s time to upgrade to TLS 1.3 already, says CDN engineer

Businesses dragging their heels over rolling out TLS 1.2 on their website might have an excuse to delay a little longer: Version 1.3 of the TLS (Transport Layer Security) encryption protocol will be finalized later this year, and early deployments of it are already under way.TLS, the successor to SSL, is used to negotiate secure connections to web or mail servers, encrypting data on the move.Six years in the making, TLS 1.2 added new, stronger encryption options -- but retained all the older, weaker encryption schemes that had gone before in the name of backward compatibility. Unfortunately, this meant that someone able to perform a man-in-the-middle attack could often downgrade connections to a weaker encryption system without the user being aware.To read this article in full or to leave a comment, please click here

Cisco Launches Catalyst 9300 series Switches

Today I am going to talk about the new launch of Cisco. Cisco Launches Catalyst switches in 9000 series and they are not Nexus. If you are confused that it is catalyst switches or Nexus Switches, well It is not Nexus Series it is pure Catalyst switches after Cisco Catalyst 6800 switches.

New Launch : Cisco 9300 series switches and these switches are not Nexus switches in case you are confused.

In addition to all the earlier switches, Cisco take a step ahead from other vendors by adding Cisco 9300, Cisco 9400 and Cisco 9500 Switches in their portfolio. These switches are excellent with the high end capabilities and has many new features added. With the help of these high end switches you can granularly expand your network at core, distribution and access layers and with these switches you will have a leverage of cloud based or Next generation solutions.

Cisco already have the following switches in their portfolio and these switches are

  • Cisco 2960 Series
  • Cisco 3650 Series
  • cisco 3750 Series
  • Cisco 3850 Series
  • Cisco 4500 Series
  • Cisco catalyst 6500 series
  • Cisco catalyst 6800 series

With the existing models as shown above, Cisco launches three new catalyst switches series Continue reading

Exascale on the Far Horizon for Cash-Strapped Oil and Gas

All the compute power in the world is useless against code that cannot scale. And neither compute or code can be useful if growing data for simulations cannot be collected and managed.

But ultimately, none of this is useful at all if the industry that needs these HPC resources is having more trouble than ever acquiring them. It comes as no surprise that the national labs and major research centers will be the first to get exaflop-capable systems, but in a normal market (like the one oil and gas knew not long ago) these machines would be relatively quickly followed …

Exascale on the Far Horizon for Cash-Strapped Oil and Gas was written by Nicole Hemsoth at The Next Platform.

Understanding DHCP Snooping and Basic Configurations : Cisco, Juniper and Huawei

Today I am going to talk about the DHCP Snooping concept in this article. There are lot of queries on DHCP Snooping where people want to understand why it has been used in the enterprise network. Some of the questions i will put here.

What is DHCP Snooping?
What is the different between Trusted and un-trusted hosts, Servers and Ports ?
How DHCP Snooping works ?

These are the basic questions on DHCP Snooping, let me take you guys through it.

DHCP Snooping is a feature which told you about the traffic sources and that can be trusted traffic sources or untrusted traffic sources. DHCP snooping ensures that DHCP clients obtain IP addresses from authorised DHCP servers and records mappings between IP addresses and MAC addresses of DHCP clients, preventing DHCP attacks on the network.Trusted sources can be the sources which you already allow in your network but untrusted sources will be an attack. To prevent such types of attacks in the network you can have the DHCP snooping feature which will filters messages and rate-limits traffic from untrusted sources.

If you have a network which includes switches, routers and firewalls all these sources are trusted source as they are Continue reading

More Specifics in BGP

The number of more specific advertisements in the IPv4 Internet is more than 50% of all advertisements, and the comparable picture in IPv6 has more specific advertisements approaching 40% of all network advertisements. It is tempting to label this use of more specifics as part of the trashing of the Internet commons. Individual networks optimise their position by large scale advertising of more specifics, which in turn, creates an incremental cost on all other networks in terms of increased BGP table size and increased overhead of processing BGP updates. The question I’d like to look at here is whether these more specific advertisements represent a significant imposition on everyone else, or whether they are simply unavoidable.

General – My Packing List for CLUS and Advice for International First Timers

It’s almost time for Cisco Live in Las Vegas. It’s Friday morning here and I have 95% of the packing done and I leave on Saturday. If this is your first time going to CLUS or even going to the US it can be challenging to know what to pack and if you need to bring cash etc. Here are some of my recommendations for packing. Make a list so that you don’t forget to pack things.

Essentials

Make sure to pack your passport. This is pretty obvious. Hopefully you already made sure that the passport is up to date as well.

I bring a copy of my approved ESTA. This is not mandatory but it’s nice having it there in case a security officer asks you. Depending where you are from you might not be part of the ESTA program.

I always print a copy of my booking for the flight and hotel etc. While not something you need when you have electronic check-in etc. I still like to keep a copy so that I have all of the info about my flight and hotel in case I can’t get on my phone.

Electronic Devices

Bring a power bank. Continue reading

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