SPAs, despite often being perceived as faster, can sometimes take longer to initially load than multi-page applications because they need to download a larger initial JavaScript bundle.
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Some firewall software uses stateful inspection, meaning it tracks the status of network connections to better identify and block malicious traffic, rather than simply relying on rules.
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WebRTC's architecture includes STUN and TURN servers, which help peers connect even behind NATs (Network Address Translators) and firewalls, enabling peer-to-peer communication across the internet.
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Some cryptography libraries, especially older ones, contain subtle flaws that can only be exploited under very specific, hard-to-reproduce circumstances, leading to years of undetected vulnerabilities.
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