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The C10K problem
It's time for web servers to handle ten thousand clients simultaneously, don't you think? After all, the web is a big place now.
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Bash 'shellshock' scan of the Internet
NOTE: malware is now using this as their User-agent. I haven't run a scan now for over two days. I'm running a scan right now of the I...
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Inline PGP signatures considered harmful
People often suggest that inline PGP signatures in e-mail are somehow more compatible or more acceptable than using PGP/MIME . This is a mistake. Inline PGP signatures are prone to several failure modes, up to and including undetectable message tampering.
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SSL Labs: Stricter security requirements for 2014
Today, we're releasing a new version of SSL Rating Guide as well as a new version of SSL Test to go with it. Because the...
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The Sad State of Mobile XMPP in 2014
blog about networking, cameras, old gear, and xmpp
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The New Normal: 200-400 Gbps DDoS Attacks
Over the past four years, KrebsOnSecurity has been targeted by countless denial-of-service attacks intended to knock it offline. Earlier this week, KrebsOnSecurity was hit by easily the most massive and intense such attack yet — a nearly 200 Gbps assault leveraging a simple attack method that industry experts say is…
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DNSSEC Downtime: List of Outages & Validation Failures
Major DNSSEC Outages and Validation Failures
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Network Link Conditioner
App developers often forget to test how their apps perform under less-than-ideal networking environments. Learn how you can use the Network Link conditioner to simulate a spotty Internet connection on your device.