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Protocol Security

DNS Server Ports and Open Resolver Abuse

DNS Server Ports and Open Resolver Abuse

Running a DNS server on a public IP means port 53 is listening on the open internet, …

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Game Server Port Security: Protecting Multiplayer Backends

Game Server Port Security: Protecting Multiplayer Backends

Multiplayer game backends live or die by low latency, which means most of the traffic that keeps …

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VoIP Port Security: Protecting SIP and RTP Communications

VoIP Port Security: Protecting SIP and RTP Communications

VoIP port security requires careful attention to both SIP signaling and RTP media stream protection to prevent …

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