Wiki Article · Cinematic

Jump Server

Jump server (jise bastion host, jump host, ya jump box bhi kehte hain) ek specially hardened aur…

Overview

Jump Server — Quick Facts

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Property: Detail

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Full Name: Jump Server (Bastion Host / Jump…

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Category: Network Security / Infrastructure…

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Also Known As: Bastion Host, Jump Host, Jump Box,…

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Full Name | Jump Server (Bastion Host / Jump Host /…

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Pehchaan aur Overview

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Untrusted zone (internet, external…

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Single point of entry provide…

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Authentication enforce karta hai…

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Session logging karta hai har…

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Kyun Zaroori Hai — Importance

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PCI-DSS: Payment data access ke…

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HIPAA: Healthcare data access ke…

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SOC 2: Access controls aur…

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ISO 27001: Network segmentation…

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Itihaas — Historical Background

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"Bastion host" term military…

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Early internet me universities aur…

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SSH (Secure Shell) 1995 me aaya —…

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Large enterprises ne jump servers…

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Core Concept — Kaise Kaam Karta Hai

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Production servers ka SSH port…

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Baaki sab IPs ke liye production…

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Yeh firewall rules se enforce hota…

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Jump Server vs Bastion Host — Farq

✨ Technically dono terms aksar interchangeably use hoti hain, lekin subtle differences…

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Network Architecture aur Placement

🌟 DMZ Placement (Classic) Jump server typically DMZ (Demilitarized Zone) me deploy hota…

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SSH Jump Host Configuration

🚀 SSH ProxyJump (Modern — OpenSSH 7.3+) ~/.ssh/config me: ` Host jump HostName…

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RDP Jump Server (Windows)

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Microsoft ka official solution hai…

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SSL/TLS certificate se encrypted.

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Active Directory authentication.

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Network Policy Server (NPS)…

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Security Hardening Practices

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Source IP restriction — sirf known…

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Rate limiting (fail2ban) — brute…

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Network ACLs — outbound traffic…

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No SNAT/NAT to internal — jump…

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Authentication aur Authorization

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Expiry built-in hai — certificates…

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Centralized CA — ek Certificate…

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No authorized_keys management —…

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Identity info embedded —…

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Session Recording aur Audit Logging

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Compliance: PCI-DSS, SOC 2, HIPAA…

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Forensics: Security incident ke…

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Accountability: Kaun ne kya kiya —…

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Logs jump server pe local nahi…

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Multi-Hop Access Patterns

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Multi-tier security zones:…

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Multi-region access: Region A ka…

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Vendor access: External vendor →…

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Jump Server in Cloud Environments

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Dynamic IPs: Cloud instances ke…

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Ephemeral infrastructure: Servers…

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Auto-scaling: Jump server bhi…

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IAM integration: Cloud IAM se…

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AWS Bastion Host Pattern

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EC2 instance public subnet me.

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Security group: SSH (22) sirf…

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Private subnet ke servers bastion…

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No bastion needed — SSM Agent…

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Azure Bastion Service

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Browser-based SSH/RDP — koi client…

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Azure Portal se directly connect.

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No public IP required on target…

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TLS encrypted sessions.

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GCP IAP (Identity-Aware Proxy)

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TCP forwarding feature — SSH/RDP…

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Google identity-based…

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Context-aware access (device…

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No separate jump server needed.

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Privileged Access Management (PAM) Integration

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PAM tool credentials vault se jump…

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User ko actual password pata nahi…

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Session automatically record hoti…

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Credentials automatically rotate…

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Jump Server Architecture Diagram

🎯 `mermaid flowchart TD subgraph External ["External Network (Untrusted)"] A["Developer…

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Comparison: Jump Server vs VPN vs Zero Trust

⭐ | Feature | Jump Server | VPN | Zero Trust | |---|---|---|---| | Access Model |…

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Modern Alternatives aur Evolution

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Teleport: Open-source,…

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HashiCorp Boundary: Dynamic,…

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Cloudflare Access: Zero Trust,…

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Tailscale / WireGuard: Mesh VPN…

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Common Deployment Tools

✨ | Tool | Purpose | Open Source? | |---|---|---| | Terraform | Jump server infrastructure…

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High Availability aur Scalability

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Network Load Balancer (TCP level)…

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DNS Round Robin simple approach…

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Sticky sessions — ek user same…

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tmux/screen — session recovery on…

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Attack Vectors aur Risks

🚀 Jump Server Specific Risks | Risk | Description | Mitigation | |---|---|---| | Compromise…

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Best Practices Summary Table

📚 | # | Practice | Priority | Category | |---|---|---|---| | 1 | MFA mandatory har user ke…

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Compliance aur Regulatory Frameworks

💡 | Framework | Jump Server Requirement | Key Controls | |---|---|---| | PCI-DSS | Required…

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Troubleshooting Common Issues

🎯 Issue 1: SSH Connection Timeout via Jump Possible Causes: Firewall blocking, SSH config…

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Real-World Use Cases

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Scenario: 50+ production servers,…

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Setup: 2 jump servers (HA), MFA…

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Benefit: PCI-DSS compliance,…

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Scenario: HIPAA-regulated patient…

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Disclaimer

🔑 Yeh article Aliens Wiki ke liye Hinglish (Roman) me likha gaya hai. Har fact verify karne…

Comparison

Jump Server vs Bastion Host — Farq

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Primary Purpose: Hop/pivot point for…

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Scope: Specifically for SSH/RDP hopping

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Hardening Level: High

Comparison

Comparison: Jump Server vs VPN vs Zero Trust

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Access Model: Server-mediated hop

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Network Exposure: Single server exposed

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Granularity: Server-level access

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Jump Server ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Jump Server ka 'Full Name' kya hai?

Complete! 🎉

Jump Server Complete!

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Jump Server Complete

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