Oracle Attacks (Global)
High-quality technical overview of Oracle Attacks in the context of blockchain security.
Types: 1. Packet filtering. 2. Circuit-level gateway. 3. Stateful inspection. 4. Application-level gateway (Proxy). 5. Next-gen (NGFW). Deployment: Perimeter, Internal, Cloud-resident.
graph LR
Center["Oracle Attacks (Global)"]:::main
Rel_oracle["oracle"]:::related -.-> Center
click Rel_oracle "/terms/oracle"
Rel_oracle_security["oracle-security"]:::related -.-> Center
click Rel_oracle_security "/terms/oracle-security"
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🧒 Explícalo como si tuviera 5 años
Imagine a wall of fire around your house with one small gate. A guard stands at the gate. Every time someone wants to bring a package into your house, the guard checks who sent it and what's inside. If it looks dangerous, the guard throws it into the fire. That guard is the [firewall](/es/terms/firewall).
🤓 Expert Deep Dive
Technically, firewalls have evolved through several generations. 'Stateless' firewalls only look at individual packets, while 'Stateful Inspection' firewalls track the entire context of a connection. 'Next-Generation Firewalls' (NGFW) go even deeper, performing 'Deep Packet Inspection' (DPI) to identify the specific application being used (e.g., distinguishing between a legitimate Skype call and a malicious file transfer over the same port). 'Web Application Firewalls' (WAF) are specialized to protect web servers from [SQL injection](/es/terms/sql-injection) and Cross-Site Scripting (XSS). Modern security architectures are shifting toward 'Micro-segmentation', where firewalls are placed between individual servers inside a network, not just at the perimeter.