Articles about bgp

Charlie Chaplin Modern Times

Net boffins brew poison for BGP hijacks

The Border Gateway Protocol (BGP) is one of the Internet's basic pieces of plumbing technologies, but it's also so old it was designed before the security needs of a multi-billion-user network were understood. In particular, BGP is notorious for allowing sysadmins to “black-hole” huge swathes of traffic either by fat-fingering …
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Cisco borked its own BGP code in IOS XE, has since patched

Cisco's pushed a fix for a border gateway protocol (BGP) denial-of-service bug in its IOS XE operating system. Between a couple of releases of IOS, the company says it introduced a bug to its RFC 7432 implementation, which gives the system support for MPLS-based Ethernet VPNs. As a result, as Cisco's advisory explains, a …
Woman thumbs down, image via Shutterstock

Google routing blunder sent Japan's Internet dark on Friday

Last Friday, someone in Google fat-thumbed a border gateway protocol (BGP) advertisement and sent Japanese Internet traffic into a black hole. The trouble began when The Chocolate Factory “leaked” a big route table to Verizon, the result of which was traffic from Japanese giants like NTT and KDDI was sent to Google on the …
Man looking up spiral staircase inside deltalis mountain data centre

Internet boffins take aim at BGP route leaks

One of the most persistent bugs in internet infrastructure, route leaks in the border gateway protocol (BGP), is in the sights of a group of 'net boffins with their new Internet-Draft. BGP's one of the internet's persistent trouble-spots: ineradicable because it's ubiquitous, it's vulnerable because it's ancient, a relic of a …
Bitcoin punch cards

Evil ISPs could disrupt Bitcoin's blockchain

Attacks on Bitcoin just keep coming: ETH Zurich boffins have worked with Aviv Zohar of The Hebrew University in Israel to show off how to attack the crypto-currency via the Internet's routing infrastructure. That's problematic for Bitcoin's developers, because they don't control the attack vector, the venerable Border Gateway …
Black hole - spaghetti visualisation. Artist's impression.  NASA/JPL-Caltech, CC BY-SA

Fat-thumbed a BGP entry? Relax, now your pain has a name

Users are familiar with those occasional events in which a sysadmin fat-thumb results in traffic getting deep-sixed – like, for example, this week's huge Telia outage. It's a problem that plagues the Internet and has done for years: the foundational Border Gateway Protocol (BGP) was designed in an era long-gone where sysadmins …
Spiralling by cc 2.0 attribution

Google cloud outage caused by failure that saw admins run it manually ... and fail

A mistaken peering advertisement from a European network took Google Cloud's europe-west1 region offline last week for around 70 minutes. The slip-up happened when an unnamed network owner connected a new peering link to Google, and in the process, it advertised reachability for far more traffic than it could handle. As a …
airplane just kidding shot

OK, who unplugged the modem? North Korea's internet disappeared for four hours today

North Korea disappeared from the internet on Monday for roughly four-and-a-half hours. At around 6.30pm local time (or 6pm if you take the starving nation's recent decision to create its own time zone seriously) through to 11pm, the routes for the country vanished from the internet's routing tables, meaning nothing was coming …
Kieren McCarthy, 10 Aug 2015
Data Centre

Pica8 pokes SDN traffic into labelled BGP paths

Getting SDN working across the WAN is becoming the hot topic of the month: white box SDN OS provider Pica8 is the latest to take a shot at the problem. The company has announced that it's adding support for labelled Border Gateway Protocol (BGP) in the 2.6 release of its PicOS operating system. It's hardly a new standard – …

Cisco adds Ethernet VXLAN BGP support to Nexus switches

Cisco is giving another nod in the direction of support for open software-defined-network standards, announcing support for BGP EVPN on its Nexus 9000. BGP EVPN – Border Gateway Protocol, Ethernet Virtual Private Network – is an Internet draft authored by members from Cisco, Juniper, Verizon, AT&T, Alcatel-Lucent and Bloomberg …

Russian internet traffic detours through China's Frankfurt outpost

Russian domestic internet traffic has in the past year sailed through Shanghai due to routing errors by China Telecom, network boffin Doug Madory says. The apparent networking gaffe appeared to stem from a BGP peering deal between the telco and top Russian mobile provider Vimpelcom to save money on transit operators. Dyn …
Darren Pauli, 10 Nov 2014

Mystery traffic redirection attack pulls net traffic through Belarus, Iceland

Tons of internet traffic is being deliberately diverted through locations including Belarus and Iceland, and intercepted by crooks or worse, security experts fear. Network intelligence firm Renesys warns that victims including financial institutions, VoIP providers, and governments have been targeted by the man-in-the-middle …
John Leyden, 22 Nov 2013

Plumbers of the interwebs vow to kill IP hijacking

The Internet Engineering Task Force (IETF) aims to strengthen the basic protocols of the internet, with a way to stop route, or IP, hijacking. IETF experts say the proposed fix is simpler to implement than previous suggestions. IP hijacking exploits a fundamental weakness of the internet, Data and messages sent across the …
John Leyden, 23 Apr 2012
The Register breaking news

Facebook traffic mysteriously passes through Chinese ISP

For a short time on Tuesday, internet traffic sent between Facebook and subscribers to AT&T's internet service passed through hardware belonging to the state-owned China Telecom before reaching its final destination, a security researcher said. An innocent routing error is the most likely explanation for the highly circuitous …
Dan Goodin, 23 Mar 2011
The Register breaking news

Boffins devise 'cyberweapon' to take down internet

University Boffins say they've devised a way to take down the internet by turning core parts of its routing protocol against itself. The attack, which was presented last week at the Network and Distributed System Security Symposium in San Diego, California, attacks functionality in the BGP, or Border Gateway Protocol. The …
Dan Goodin, 14 Feb 2011
The Register breaking news

Chinese ISP hijacked US military, gov web traffic

Eight months after traffic to as much as 15 percent of the world's internet destinations was mysteriously diverted through China, investigators for a US Congressional committee remain wary of the Asian superpower, even as they're quick to say they have no evidence it's the work of the Chinese government. “Several incidents in …
Dan Goodin, 17 Nov 2010
The Register breaking news

China routing snafu briefly mangles interweb

Bad routing information sourced from China has disrupted the internet for the second time in a fortnight. Global BGP (Border Gateway Routing) lookup tables sucked in data from a small ISP called IDC China Telecommunication, apparently accidentally broadcast by state-owned carrier China Telecommunications, IDG reports. ISPs …
John Leyden, 9 Apr 2010
The Register breaking news

Hijacking huge chunks of the internet - a new How To

More evidence that the intertubes are fundamentally broken has been served up by in an article laying out a technique to surreptitiously hijack huge chunks of the internet and monitor or even modify unencrypted traffic before it reaches its intended destination. The exploit of the routing protocol known as BGP, short …
Dan Goodin, 27 Aug 2008

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