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DDoS Attack Encyclopedia  /  TCP Null Attack

TCP Null Attack

Layer 4 · Transport

Description

Sends packets with no flags set in the TCP header, bypassing some firewalls and IDS systems.

Mitigation Capabilities

  • Anycast: Yes, disperses TCP null traffic.
  • NGINX Proxy: No, irrelevant for TCP flag manipulation.
  • HAProxy: No, not designed for null packet filtering.
  • IDS Suricata: Yes, detects unusual TCP null packets.
  • WAF: No, irrelevant for TCP-level attacks.
  • OWASP Rules: No, unrelated to TCP null threats.
  • Complex anycast solution – WEDOS Protection: Yes, handles TCP null attacks effectively.

Solutions

Use firewalls with advanced TCP flag detection.

Why WEDOS Protection?

WEDOS Protection provides Anycast-powered edge protection that filters malicious traffic before it reaches your core systems. For DDoS types like TCP Null Attack , WEDOS offers scalable global filtering combined with advanced detection strategies and 24/7 support.

Can WEDOS Protection help?

✅ WEDOS Protection is highly effective against this attack due to global Anycast and intelligent filtering.
WEDOS Protection

Protect your site against TCP Null Attack and every other attack type.