Show Notes:

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CloudFlare outage takes down reported 750,000 sites

• CloudFlare is an online WAF (Web Application Firewall) and CDN
• We have talked about outages they have had in the past, but this one is different
• Sites went down on March 3rd at 09:47 UTC (4:47am EST, 1:47am PST), the sites, DNS and other services all returned a ‘no route to host’ error
• Service was restored at 10:49 – a total of just over an hour
• Unlike some previous outages, this took down all 23 of their data centers
• According to CloudFlare, they originally detected a DDoS attack against one or more customers’ DNS servers, and moved to filter that attack
• Their attack profiling software reported that the attack packets were between 99,971 and 99,985 bytes
• This is actually impossible, largest possible IP (Layer 3) packet is 65535 bytes, due to the size of the field that holds the length of the packet in the header (16 bits)
• Also, most layer 2 protocols (like Ethernet) also impose a smaller frame size, the default for Ethernet is 1500 bytes. The CloudFlare network is configured to use ‘jumbo frames’ with a maximum packet size of 4470 bytes
• When they used the Juniper Flowspec protocol to push a rule to all of their routers to block packets of the impossible size, the routers accepted the rules, but then started exhausting all of their ram, probably due to a bug related to the fact that the rule was invalid
• This caused many of the routers to reboot, but then they would load the same rules and just reboot again, in a continuous loop
• Some of the routers also stopped responding on their management interfaces, requiring that the devices be manually power cycled (in the 23 different data centers in 14 countries)
• When the routers were down, the routes would be withdrawn/expired, and it ended up that there were no routes left to allow anyone to reach the CloudFlare network
• CloudFlare is working with Juniper to see if this is a bug in Flowspec, or if it was specific to the rules and traffic of CloudFlare
• CloudFlare is also attempting to find a way to be able to use flowspec to push rules only to a specific subset of their routers (those under attack, or those in a specific region), so that next time it doesn’t take down their entire network at once
• Official Post Mortem

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Malware doesn’t have to be advanced to be effective

• Researchers have discovered a malware attack that has been ongoing for 10 years using off-the-shelf remote administration software TeamViewer along with proprietary malware
• The attackers managed to exfiltrate encryption keys and ‘secret’ documents from a number of sensitive places, including an unidentified NATO/EU member country’s embassy and an industrial manufacturer in Russia, multiple research and educational institutions in France and Belgium, and a high-profile Hungarian governmental victim
• Kaspersky’s research indicated the threat actors were most likely Russian, because the malware scripts changed the character set to CP1251 and used the Russian localized version of TimeViewer. They also found some possible links to the Red October malware
• CrySyS.hu Report
• Kaspersky research paper

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BBC twitter accounts hacked by Pro-Assad Syrians

• The twitter accounts for BBC Weather, BBC Arabic and BBC Ulster Radio were compromised and posted unauthorized tweets
• “The attacks began in the early afternoon on Thursday. At the same time, BBC staff were alerted to a phishing email that had been sent to some BBC email accounts. It is not yet clear if the two are related”
• The attack was apparently the work of the “Syrian Electronic Army”, a group that has previously shown strong support for Syrian President Bashar-al-Assad
• Humorous tweets were posted, such as:
  • “Saudi weather station down due to head-on collision with camel.”
  • “Chaotic weather forecast for Lebanon as the government decides to distance itself from the Milky Way.”
• The accounts are now back under the control of the BBC
• It is not clear how the accounts were compromised

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Feedback:

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• Amazon.com: PLANEX Wireless N 150Mbps USB2.0 RJ45 Mini Print Server Supports Windows 7 and MAC OS, WPS, IEEE 802.11n/g/b print server support SNMP & HP Web JetAdmin/ Hi-Speed USB – EN, Fast EN – 10Base-T, 100Base-Print Server/2.4 Ghz Wi-Fi Wireless Network LAN Print Server/Mini –103MN for office and SOHO usage supports peer to peer or server based printing 2dBi internal antenna x 1: Electronics

• Which Puppet does Allan Master?

• Google Reader Replacement and More

• Google has crossed the line!
  • Who will defend the web in a post ‘Good Google’ world

• LACP Hardknocks

• What do you think about Mint.com?

• Follow up to the first question on episode 100

• Jed’s Voicemail – MIA due to Tech issues in studio.

• Got bored and threw this together in Blender…

• Xmas in March

Round Up:

• Internet troll “weev” sentenced to 41 months for AT&T/iPad hack
• PCBSD Backyard data center – part 2
• Internet Security enters the Feudal age – You pledged your allegiance to Google, Facebook or Apple
• Cyberattack Hits South Korean Banking Networks
• Bank of America blames data breech on Partner TEKsystems Additional Coverage
• Report: CIA and Amazon Close to Signing $600 Million Cloud Deal
• Reporters without Borders names Governments and the companies they use to spy on their citizens
• New OS X trojan injects ads into pages browsed by Chrome, Firefox, and Safari; even targets Apple’s website
• Bug in tax software from H&R Block and others delays the tax refund of 600,000 who claim education tax credit 3

The post Packets Over 90,000 | TechSNAP 102 first appeared on Jupiter Broadcasting.

]]> https://original.jupiterbroadcasting.net/10076/sherlock-holmes-jn-202/ Thu, 07 Jul 2011 21:58:23 +0000 https://original.jupiterbroadcasting.net/?p=10076 We give a full run down of TV news you’re going to want to hear, a top 10 Sci-Fi movie list count-down, and a FULL review of the BBC Sherlock series!

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The guys are back in full force this week with a run down of TV news you’re going to want to hear, a top 10 Sci-Fi movie list count-down, and a FULL review of the BBC Sherlock series!

Plus the guys share their thoughts on the state of retro gaming, and why old-school games might be a better entertainment than most current game releases!

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Show Notes:

TV:

Stargate’ TV films ‘scrapped for finance reasons’ – TV News – Digital Spy
What the Creators of Torchwood: Miracle Day Promise You’ll See
Hasselhoff turns porn star for “Sons of Anarchy”
Fall Dates for Chuck, Playboy Club, Parks
Netflix recently added X-men, X-men Evolution and Spider-Man (both 60s and 90s versions) to Instant watch
BOOKS:
George RR Martin’s “A Dance With Dragons” releases next Tuesday (Fifth book in “Game of Thrones” series)
MOVIES:
Blade Runner beats Star Wars to top sci-fi film poll
Marvel is making short films about their C-list superheroes
A couple superVILLAIN movies that could rival the Avengers’ team-up
New trailer for Mamoa’s Conan
Thor 2 in 2013… withough Branagh
Google+:
FaceBook like accurate ads, but everywhere.
GAMES:
Star Trek: New Video Game Has Ties to New Movie
GOG.com is awesome, older games are better.
WTF:
Encyclopedia of Science Fiction Goes Digital, Searchable, and Free
Critical question: Should I start my kids on the original Star Trek series, or should I start them on TNG and let them go back to see the original when they get older? : scifi
MOVING PICTURE HAPPY FUN MUTUAL TIME:
Sherlock – a modern adaptation
• Created by : Steven Moffat & Mark Gatiss [both Dr Who writers]
  • Both Moffat & Gatiss are big Sherlock Holmes fans
• Spoke to The Sherlock Holmes Society of London
• Matt Smith was the first person to unsuccessfully audition for the role of Watson but was too “barmy”, and the producers required someone “straighter” for Watson. Shortly after, Moffat cast Smith as the Eleventh Doctor in Doctor Who.
• Series 2 confirmed : based on the stories “A Scandal in Bohemia”, The Hound of the Baskervilles and “The Final Problem”

Downlaod & Comment:

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