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Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 100 posts.
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Cisco buffer overflow vulnerability with remote code execution
A vulnerability in the Internet Key Exchange (IKE) version 1 (v1) and IKE version 2 (v2) code of Cisco ASA Software could allow an unauthenticated, remote attacker to cause a reload of the affected system or to remotely execute code. The vulnerability is due to a buffer overflow in the affected code area. An attacker…
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Making every (leap) second count with our new public NTP servers
As if 2016 wasn’t long enough, this year, a leap second will cause the last day of December to be one second longer than normal. But don’t worry, we’ve built support for the leap second into the time servers that regulate all Google services.
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400Gbps: Winter of Whopping Weekend DDoS Attacks
Over the last month, we’ve been watching some of the largest distributed denial of service (DDoS) attacks ever seen unfold. As CloudFlare has grown we've brought on line systems capable of absorbing and accurately measuring attacks.
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SPF, DMARC, and DKIM: How to Keep Your Email Out of the Spam Folder
Insights gleaned from years in the trenches. Truly essential tips, practices, and guides for achieving WordPress success.
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Multi-byte NOP opcode made official
Welcome to the Developer Software Tools forum! Your collaborative hub to connect with fellow engineers, optimize code with Intel oneAPI and OpenVINO, share debugging breakthroughs, and extract maximum software performance.
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A tale of a DNS exploit: CVE-2015-7547
A buffer overflow error in GNU libc DNS stub resolver code was announced last week as CVE-2015-7547. While it doesn't have any nickname yet (last year's Ghost was more catchy), it is potentially disastrous.
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HPACK: the silent killer (feature) of HTTP/2
If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push.
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Insecure by design: protocols for encrypted phone calls
The MIKEY-SAKKE protocol is being promoted by the UK government as a better way to secure phone calls. The reality is that MIKEY-SAKKE is designed to offer minimal security while allowing undetectable mass surveillance, through the introduction a backdoor based around mandatory key-escrow. This weakness has…