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NetBrain MCP

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# NetBrain MCP 安全认证机制设计 本文档详细描述NetBrain MCP系统的安全认证机制设计,包括当前已实现的安全措施和未来计划的安全增强方案。 ## 1. 当前安全实现状态 ### 1.1 已实现的安全措施 NetBrain MCP系统当前已实现以下安全措施: #### 1.1.1 日志记录和审计 - **操作日志记录**:完整记录所有MCP工具调用和系统操作 - **连接日志**:记录设备连接、断开和命令执行活动 - **错误日志**:记录系统错误和异常事件 - **UTF-8编码支持**:JsonFormatter确保日志中文字符正确处理 #### 1.1.2 输入验证和类型检查 - **工具参数验证**:MCP工具的输入参数类型验证 - **设备信息验证**:设备添加和更新时的数据格式验证 - **命令注入防护**:基本的命令参数清理 #### 1.1.3 连接安全 - **SSH连接**:优先使用SSH协议连接设备 - **Telnet备用**:支持Telnet作为备用连接方式 - **连接超时**:设置合理的连接和命令执行超时时间 - **自动重连**:连接断开时的自动重连机制 #### 1.1.4 日志脱敏 - **密码脱敏**:避免在日志中记录明文密码 - **敏感信息标识**:明确识别和处理敏感数据字段 ### 1.2 当前安全限制 #### 1.2.1 凭据存储安全 - **明文存储**:设备凭据当前以明文形式存储在JSON文件中 - **文件权限**:依赖操作系统文件权限保护数据文件 - **无加密传输**:本地文件读写无额外加密层 #### 1.2.2 访问控制 - **无认证机制**:MCP服务器当前无用户认证要求 - **无授权检查**:所有连接的客户端均有完全访问权限 - **无会话管理**:缺乏会话超时和管理机制 ## 2. 安全需求分析 ### 2.1 威胁模型 NetBrain MCP系统面临以下潜在安全威胁: #### 2.1.1 数据安全威胁 1. **凭据泄露**:设备登录凭据存储在明文文件中,存在泄露风险 2. **配置数据窃取**:设备配置信息可能包含敏感网络架构信息 3. **日志信息泄露**:操作日志可能包含敏感的网络操作信息 #### 2.1.2 访问控制威胁 1. **未授权访问**:任何能连接到MCP服务器的客户端都能执行所有操作 2. **权限提升**:缺乏细粒度权限控制机制 3. **会话劫持**:缺乏会话管理和验证机制 #### 2.1.3 网络安全威胁 1. **中间人攻击**:设备连接可能被拦截或篡改 2. **网络扫描滥用**:网络扫描功能可能被恶意使用 3. **设备连接滥用**:设备连接功能可能被用于非授权访问 #### 2.1.4 系统安全威胁 1. **文件系统访问**:数据文件可能被本地用户非授权访问 2. **进程劫持**:MCP服务器进程可能被恶意程序控制 3. **资源耗尽**:恶意客户端可能消耗系统资源 ### 2.2 安全要求 基于威胁模型,系统需要满足以下安全要求: #### 2.2.1 数据保护要求 - **凭据加密存储**:设备凭据必须加密存储 - **敏感数据标识**:明确标识和保护敏感数据 - **数据传输保护**:保护数据在传输过程中的安全性 #### 2.2.2 访问控制要求 - **身份认证**:验证客户端身份 - **权限授权**:基于角色的细粒度权限控制 - **会话管理**:安全的会话创建、维护和销毁 #### 2.2.3 网络安全要求 - **通信加密**:保护MCP通信通道 - **设备连接安全**:安全的设备连接和命令执行 - **网络隔离**:适当的网络访问限制 ## 3. 安全实现计划 ### 3.1 优先级分类 #### 3.1.1 高优先级(安全关键) 1. **凭据加密存储**:立即实施 2. **基础访问控制**:API密钥认证 3. **通信安全**:HTTPS/WSS支持 #### 3.1.2 中优先级(安全重要) 1. **细粒度权限控制**:基于角色的访问控制 2. **审计增强**:安全事件审计 3. **会话管理**:会话超时和管理 #### 3.1.3 低优先级(安全增强) 1. **高级认证**:OAuth2集成 2. **安全监控**:实时安全监控 3. **加密通信**:端到端加密 ### 3.2 凭据加密存储方案 #### 3.2.1 加密算法选择 使用AES-256-GCM算法进行数据加密: ```python # 在network_devices.py中增强DeviceCredential类 import os import base64 from cryptography.hazmat.primitives.ciphers.aead import AESGCM from cryptography.hazmat.primitives import hashes from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC class SecureCredentialStorage: """安全凭据存储实现""" def __init__(self, master_key: str = None): self.master_key = master_key or os.environ.get('NETBRAIN_MASTER_KEY') if not self.master_key: raise ValueError("Master encryption key not provided") # 派生加密密钥 salt = b'netbrain_mcp_salt' # 生产环境应使用随机盐 kdf = PBKDF2HMAC( algorithm=hashes.SHA256(), length=32, salt=salt, iterations=100000, ) self.encryption_key = kdf.derive(self.master_key.encode()) def encrypt_credential(self, credential_data: str) -> str: """加密凭据数据""" if not credential_data: return "" # 生成随机IV iv = os.urandom(12) # 加密数据 aesgcm = AESGCM(self.encryption_key) ciphertext = aesgcm.encrypt(iv, credential_data.encode('utf-8'), None) # 返回IV+密文的base64编码 encrypted_data = base64.b64encode(iv + ciphertext).decode('utf-8') return f"aes256gcm:{encrypted_data}" def decrypt_credential(self, encrypted_data: str) -> str: """解密凭据数据""" if not encrypted_data or not encrypted_data.startswith("aes256gcm:"): return encrypted_data # 向后兼容明文数据 try: # 解析加密格式 encrypted_content = encrypted_data[10:] # 移除"aes256gcm:"前缀 data = base64.b64decode(encrypted_content) # 提取IV和密文 iv = data[:12] ciphertext = data[12:] # 解密数据 aesgcm = AESGCM(self.encryption_key) plaintext = aesgcm.decrypt(iv, ciphertext, None) return plaintext.decode('utf-8') except Exception as e: logger.error(f"Failed to decrypt credential: {str(e)}") raise ValueError("Invalid encrypted credential data") # 增强DeviceCredential类 class DeviceCredential: def __init__(self, id: str = None, name: str = "", username: str = "", password: str = "", protocol: ConnectionProtocol = ConnectionProtocol.SSH, port: int = None, enable_password: str = None, ssh_key_file: str = None, encrypted: bool = True): self.id = id or str(uuid.uuid4()) self.name = name self.username = username self.protocol = protocol self.port = port or (22 if protocol == ConnectionProtocol.SSH else 23) self.ssh_key_file = ssh_key_file self.encrypted = encrypted # 初始化加密存储 if encrypted: self._storage = SecureCredentialStorage() self._encrypted_password = self._storage.encrypt_credential(password) if password else "" self._encrypted_enable_password = self._storage.encrypt_credential(enable_password) if enable_password else "" else: self._encrypted_password = password self._encrypted_enable_password = enable_password @property def password(self) -> str: """获取解密后的密码""" if self.encrypted and self._storage: return self._storage.decrypt_credential(self._encrypted_password) return self._encrypted_password @password.setter def password(self, value: str): """设置密码(自动加密)""" if self.encrypted and self._storage: self._encrypted_password = self._storage.encrypt_credential(value) else: self._encrypted_password = value @property def enable_password(self) -> str: """获取解密后的启用密码""" if self.encrypted and self._storage: return self._storage.decrypt_credential(self._encrypted_enable_password) return self._encrypted_enable_password @enable_password.setter def enable_password(self, value: str): """设置启用密码(自动加密)""" if self.encrypted and self._storage: self._encrypted_enable_password = self._storage.encrypt_credential(value) else: self._encrypted_enable_password = value ``` #### 3.2.2 密钥管理方案 **主密钥管理:** ```python # 环境变量方式 export NETBRAIN_MASTER_KEY="your-secure-master-key" # 配置文件方式(不推荐生产环境) master_key = config.get('security', 'master_key') # 密钥文件方式 with open('/secure/path/master.key', 'r') as f: master_key = f.read().strip() ``` **密钥轮换策略:** ```python class KeyRotationManager: """密钥轮换管理器""" def __init__(self): self.current_key_version = 1 self.key_versions = {} def rotate_master_key(self, new_key: str) -> bool: """轮换主密钥""" try: # 使用新密钥重新加密所有凭据 old_storage = SecureCredentialStorage(self.get_current_key()) new_storage = SecureCredentialStorage(new_key) # 重新加密过程... self.current_key_version += 1 self.key_versions[self.current_key_version] = new_key return True except Exception as e: logger.error(f"Key rotation failed: {str(e)}") return False ``` ### 3.3 API认证机制 #### 3.3.1 API密钥认证实现 ```python # 新增文件:security/api_auth.py import secrets import hashlib import hmac from datetime import datetime, timedelta from typing import Optional, Dict, Any class APIKeyManager: """API密钥管理器""" def __init__(self): self.api_keys: Dict[str, Dict[str, Any]] = {} self.load_api_keys() def generate_api_key(self, name: str, permissions: List[str] = None, expires_days: int = 90) -> str: """生成新的API密钥""" # 生成32字节随机密钥 key = secrets.token_urlsafe(32) # 计算密钥哈希用于存储 key_hash = hashlib.sha256(key.encode()).hexdigest() # 设置过期时间 expires_at = datetime.now() + timedelta(days=expires_days) if expires_days > 0 else None # 存储密钥信息 self.api_keys[key_hash] = { "name": name, "permissions": permissions or ["read", "write"], "created_at": datetime.now().isoformat(), "expires_at": expires_at.isoformat() if expires_at else None, "last_used": None, "usage_count": 0 } self.save_api_keys() logger.info(f"Generated API key for: {name}") return key def validate_api_key(self, key: str) -> Optional[Dict[str, Any]]: """验证API密钥""" if not key: return None key_hash = hashlib.sha256(key.encode()).hexdigest() key_info = self.api_keys.get(key_hash) if not key_info: logger.warning(f"Invalid API key attempted: {key[:8]}...") return None # 检查过期时间 if key_info.get("expires_at"): expires_at = datetime.fromisoformat(key_info["expires_at"]) if datetime.now() > expires_at: logger.warning(f"Expired API key used: {key_info['name']}") return None # 更新使用统计 key_info["last_used"] = datetime.now().isoformat() key_info["usage_count"] += 1 return key_info def revoke_api_key(self, key: str) -> bool: """撤销API密钥""" key_hash = hashlib.sha256(key.encode()).hexdigest() if key_hash in self.api_keys: del self.api_keys[key_hash] self.save_api_keys() return True return False # MCP服务器认证中间件 class MCPAuthMiddleware: """MCP认证中间件""" def __init__(self, api_key_manager: APIKeyManager): self.api_key_manager = api_key_manager self.enabled = os.environ.get('NETBRAIN_AUTH_ENABLED', 'false').lower() == 'true' def authenticate_request(self, headers: Dict[str, str]) -> Optional[Dict[str, Any]]: """认证请求""" if not self.enabled: return {"name": "anonymous", "permissions": ["read", "write"]} # 从请求头获取API密钥 api_key = headers.get('Authorization', '').replace('Bearer ', '') if not api_key: api_key = headers.get('X-API-Key', '') if not api_key: logger.warning("No API key provided in request") return None return self.api_key_manager.validate_api_key(api_key) ``` #### 3.3.2 权限控制实现 ```python # 新增文件:security/permissions.py from enum import Enum from typing import List, Dict, Any from functools import wraps class Permission(Enum): """权限枚举""" # 设备管理权限 DEVICE_READ = "device:read" DEVICE_WRITE = "device:write" DEVICE_DELETE = "device:delete" # 连接管理权限 CONNECT_DEVICE = "connect:device" EXECUTE_COMMAND = "execute:command" # 拓扑发现权限 DISCOVER_TOPOLOGY = "topology:discover" VIEW_TOPOLOGY = "topology:view" # 扫描权限 SCAN_NETWORK = "scan:network" VIEW_SCAN_RESULTS = "scan:view" # 系统管理权限 MANAGE_CREDENTIALS = "credentials:manage" MANAGE_TEMPLATES = "templates:manage" SYSTEM_ADMIN = "system:admin" class Role(Enum): """角色枚举""" ADMIN = "admin" ENGINEER = "engineer" OPERATOR = "operator" VIEWER = "viewer" # 角色权限映射 ROLE_PERMISSIONS = { Role.ADMIN: [perm for perm in Permission], # 管理员拥有所有权限 Role.ENGINEER: [ Permission.DEVICE_READ, Permission.DEVICE_WRITE, Permission.CONNECT_DEVICE, Permission.EXECUTE_COMMAND, Permission.DISCOVER_TOPOLOGY, Permission.VIEW_TOPOLOGY, Permission.SCAN_NETWORK, Permission.VIEW_SCAN_RESULTS, Permission.MANAGE_CREDENTIALS, ], Role.OPERATOR: [ Permission.DEVICE_READ, Permission.CONNECT_DEVICE, Permission.EXECUTE_COMMAND, Permission.VIEW_TOPOLOGY, Permission.VIEW_SCAN_RESULTS, ], Role.VIEWER: [ Permission.DEVICE_READ, Permission.VIEW_TOPOLOGY, Permission.VIEW_SCAN_RESULTS, ] } def require_permission(required_permission: Permission): """权限检查装饰器""" def decorator(func): @wraps(func) async def wrapper(*args, **kwargs): # 从上下文获取用户权限 user_permissions = get_current_user_permissions() if required_permission not in user_permissions: logger.warning(f"Permission denied: {required_permission.value}") raise PermissionError(f"Insufficient permissions: {required_permission.value}") return await func(*args, **kwargs) return wrapper return decorator # 在MCP工具中使用权限检查 @mcp.tool() @require_permission(Permission.DEVICE_WRITE) async def add_device(...) -> Dict[str, Any]: """添加设备(需要设备写权限)""" # 实现... @mcp.tool() @require_permission(Permission.SCAN_NETWORK) async def scan_network_range(...) -> Dict[str, Any]: """扫描网络(需要扫描权限)""" # 实现... ``` ### 3.4 审计日志增强 #### 3.4.1 安全事件审计 ```python # 新增文件:security/audit.py import json import hashlib from datetime import datetime from typing import Dict, Any, Optional from enum import Enum class AuditEventType(Enum): """审计事件类型""" # 认证事件 AUTH_LOGIN = "auth.login" AUTH_LOGOUT = "auth.logout" AUTH_FAILED = "auth.failed" API_KEY_CREATED = "auth.api_key_created" API_KEY_REVOKED = "auth.api_key_revoked" # 设备操作事件 DEVICE_ADDED = "device.added" DEVICE_UPDATED = "device.updated" DEVICE_DELETED = "device.deleted" DEVICE_CONNECTED = "device.connected" DEVICE_DISCONNECTED = "device.disconnected" # 命令执行事件 COMMAND_EXECUTED = "command.executed" COMMAND_FAILED = "command.failed" # 权限事件 PERMISSION_DENIED = "permission.denied" ROLE_CHANGED = "permission.role_changed" # 系统事件 SYSTEM_STARTED = "system.started" SYSTEM_STOPPED = "system.stopped" CONFIG_CHANGED = "system.config_changed" class AuditLogger: """安全审计日志记录器""" def __init__(self, log_file: str = "logs/audit.log"): self.log_file = log_file self.sequence_number = 0 def log_event(self, event_type: AuditEventType, user_id: str = "anonymous", resource: str = None, action: str = None, result: str = "success", details: Dict[str, Any] = None, client_ip: str = None) -> str: """记录审计事件""" self.sequence_number += 1 timestamp = datetime.utcnow() # 构建审计记录 audit_record = { "timestamp": timestamp.isoformat() + "Z", "sequence": self.sequence_number, "event_type": event_type.value, "user_id": user_id, "client_ip": client_ip, "resource": resource, "action": action, "result": result, "details": details or {}, } # 计算记录哈希(用于完整性验证) record_hash = self._calculate_hash(audit_record) audit_record["hash"] = record_hash # 写入日志文件 try: with open(self.log_file, 'a', encoding='utf-8') as f: f.write(json.dumps(audit_record, ensure_ascii=False) + '\n') except Exception as e: logger.error(f"Failed to write audit log: {str(e)}") return record_hash def _calculate_hash(self, record: Dict[str, Any]) -> str: """计算审计记录哈希""" # 创建用于哈希的记录副本(不包含hash字段) hash_record = {k: v for k, v in record.items() if k != "hash"} # 序列化并计算哈希 record_str = json.dumps(hash_record, sort_keys=True, ensure_ascii=False) return hashlib.sha256(record_str.encode('utf-8')).hexdigest() def verify_log_integrity(self) -> bool: """验证审计日志完整性""" try: with open(self.log_file, 'r', encoding='utf-8') as f: for line_num, line in enumerate(f, 1): if line.strip(): record = json.loads(line.strip()) stored_hash = record.get("hash") calculated_hash = self._calculate_hash(record) if stored_hash != calculated_hash: logger.error(f"Audit log integrity violation at line {line_num}") return False return True except Exception as e: logger.error(f"Failed to verify audit log integrity: {str(e)}") return False # 全局审计日志器实例 audit_logger = AuditLogger() # 在MCP工具中集成审计日志 @mcp.tool() async def add_device(...) -> Dict[str, Any]: """添加设备""" user_id = get_current_user_id() client_ip = get_client_ip() try: # 执行设备添加操作 result = device_manager.add_device(device) # 记录成功事件 audit_logger.log_event( event_type=AuditEventType.DEVICE_ADDED, user_id=user_id, resource=f"device:{device.id}", action="add", result="success", details={"device_name": device.name, "ip_address": device.ip_address}, client_ip=client_ip ) return {"success": True, "device_id": result} except Exception as e: # 记录失败事件 audit_logger.log_event( event_type=AuditEventType.DEVICE_ADDED, user_id=user_id, resource="device:unknown", action="add", result="failed", details={"error": str(e)}, client_ip=client_ip ) raise ``` ### 3.5 通信安全增强 #### 3.5.1 HTTPS/WSS支持计划 ```python # 在server.py中添加SSL支持 import ssl from pathlib import Path class SecureServerConfig: """安全服务器配置""" def __init__(self): self.ssl_enabled = os.environ.get('NETBRAIN_SSL_ENABLED', 'false').lower() == 'true' self.ssl_cert_file = os.environ.get('NETBRAIN_SSL_CERT', 'certs/server.crt') self.ssl_key_file = os.environ.get('NETBRAIN_SSL_KEY', 'certs/server.key') self.ssl_ca_file = os.environ.get('NETBRAIN_SSL_CA', 'certs/ca.crt') def create_ssl_context(self) -> ssl.SSLContext: """创建SSL上下文""" if not self.ssl_enabled: return None # 创建SSL上下文 context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) # 加载证书和私钥 context.load_cert_chain(self.ssl_cert_file, self.ssl_key_file) # 如果有CA证书,启用客户端证书验证 if Path(self.ssl_ca_file).exists(): context.load_verify_locations(self.ssl_ca_file) context.verify_mode = ssl.CERT_REQUIRED return context # 启动安全服务器 def start_secure_server(): config = SecureServerConfig() ssl_context = config.create_ssl_context() if ssl_context: logger.info("Starting secure MCP server with SSL/TLS") # 使用SSL上下文启动服务器 else: logger.warning("Starting MCP server without SSL/TLS encryption") # 启动普通服务器 ``` ## 4. 数据保护实现 ### 4.1 敏感数据分类 根据实际代码分析,系统中的敏感数据包括: #### 4.1.1 高敏感数据 - **设备凭据**:username, password, enable_password - **SSH私钥**:ssh_key_file内容 - **API密钥**:认证令牌和密钥 #### 4.1.2 中敏感数据 - **设备配置**:网络设备配置信息 - **网络拓扑**:网络架构和连接信息 - **日志数据**:操作日志中的敏感信息 #### 4.1.3 低敏感数据 - **设备元数据**:设备名称、IP地址、型号等 - **系统状态**:系统运行状态信息 - **公共模板**:通用提示模板内容 ### 4.2 数据保护策略 #### 4.2.1 存储保护 ```python # 敏感字段标识 SENSITIVE_FIELDS = { 'password', 'enable_password', 'ssh_key', 'api_key', 'secret_key', 'private_key', 'token' } def mask_sensitive_data(data: Dict[str, Any]) -> Dict[str, Any]: """脱敏敏感数据用于日志和显示""" masked_data = data.copy() for key, value in masked_data.items(): if any(sensitive in key.lower() for sensitive in SENSITIVE_FIELDS): if value: masked_data[key] = "***MASKED***" return masked_data ``` #### 4.2.2 传输保护 ```python def secure_data_transfer(data: Any, encryption_key: bytes) -> str: """安全数据传输加密""" # 序列化数据 json_data = json.dumps(data, ensure_ascii=False) # 加密传输 encrypted_data = encrypt_data(json_data, encryption_key) return encrypted_data ``` ## 5. 安全配置管理 ### 5.1 安全配置文件 ```yaml # config/security.yaml security: # 认证配置 authentication: enabled: true method: "api_key" # api_key, jwt, oauth2 api_key: header_name: "X-API-Key" require_https: false # 生产环境设为true key_length: 32 default_expiration_days: 90 # 加密配置 encryption: enabled: true algorithm: "aes-256-gcm" master_key_source: "environment" # environment, file, vault key_rotation_days: 365 # 审计配置 audit: enabled: true log_file: "logs/audit.log" log_level: "INFO" include_sensitive_data: false retention_days: 365 # 访问控制配置 access_control: default_role: "viewer" session_timeout_minutes: 30 max_failed_attempts: 5 lockout_duration_minutes: 15 # SSL/TLS配置 ssl: enabled: false cert_file: "certs/server.crt" key_file: "certs/server.key" ca_file: "certs/ca.crt" require_client_cert: false ``` ### 5.2 安全最佳实践 #### 5.2.1 部署安全建议 1. **文件权限**:设置适当的文件和目录权限 ```bash chmod 600 data/credentials.json chmod 700 data/ chmod 600 config/security.yaml ``` 2. **环境变量**:使用环境变量管理敏感配置 ```bash export NETBRAIN_MASTER_KEY="your-secure-master-key" export NETBRAIN_AUTH_ENABLED="true" export NETBRAIN_SSL_ENABLED="true" ``` 3. **网络隔离**:部署在受保护的网络环境中 - 使用防火墙限制访问 - 部署在专用VLAN或子网 - 限制出站网络连接 #### 5.2.2 运维安全建议 1. **定期安全检查** - 审查API密钥和权限 - 检查审计日志异常 - 验证加密密钥轮换 - 更新依赖包版本 2. **监控和告警** - 监控异常登录尝试 - 监控权限提升操作 - 监控敏感数据访问 - 设置安全事件告警 3. **备份和恢复** - 定期备份加密数据 - 测试数据恢复流程 - 保护备份数据安全 - 记录恢复操作 ## 6. 安全测试计划 ### 6.1 安全测试类型 #### 6.1.1 功能安全测试 - 认证机制测试 - 权限控制测试 - 数据加密测试 - 审计日志测试 #### 6.1.2 安全漏洞测试 - 输入验证测试 - 权限绕过测试 - 数据泄露测试 - 注入攻击测试 #### 6.1.3 渗透测试 - 外部渗透测试 - 内部渗透测试 - 社会工程测试 - 物理安全测试 ### 6.2 安全测试实施 ```python # tests/security/test_authentication.py import pytest from security.api_auth import APIKeyManager, MCPAuthMiddleware class TestAuthentication: def setup_method(self): self.api_key_manager = APIKeyManager() self.auth_middleware = MCPAuthMiddleware(self.api_key_manager) def test_api_key_generation(self): """测试API密钥生成""" key = self.api_key_manager.generate_api_key("test_user") assert len(key) > 0 assert self.api_key_manager.validate_api_key(key) is not None def test_invalid_api_key(self): """测试无效API密钥""" assert self.api_key_manager.validate_api_key("invalid_key") is None def test_expired_api_key(self): """测试过期API密钥""" # 实现过期密钥测试... pass # tests/security/test_encryption.py class TestEncryption: def test_credential_encryption(self): """测试凭据加密""" from security.encryption import SecureCredentialStorage storage = SecureCredentialStorage("test_key") original_password = "secret123" # 加密 encrypted = storage.encrypt_credential(original_password) assert encrypted != original_password assert encrypted.startswith("aes256gcm:") # 解密 decrypted = storage.decrypt_credential(encrypted) assert decrypted == original_password ``` ## 7. 实施时间表 ### 7.1 短期实施(1-2个月) - [x] **基础日志审计**:已实现完整的操作日志记录 - [ ] **凭据加密存储**:实现AES-256-GCM加密 - [ ] **API密钥认证**:基础API密钥认证机制 - [ ] **基础权限控制**:实现角色基础权限检查 ### 7.2 中期实施(3-6个月) - [ ] **SSL/TLS支持**:HTTPS和WSS加密通信 - [ ] **细粒度权限**:完整的RBAC权限系统 - [ ] **安全审计增强**:完整的安全事件审计 - [ ] **密钥轮换**:自动密钥轮换机制 ### 7.3 长期实施(6-12个月) - [ ] **OAuth2集成**:企业身份认证集成 - [ ] **安全监控**:实时安全监控和告警 - [ ] **端到端加密**:客户端到服务器端到端加密 - [ ] **安全认证**:第三方安全认证和合规 --- NetBrain MCP系统的安全设计兼顾了当前实际实现状态和未来安全增强需求。通过分阶段实施安全措施,系统将逐步达到企业级安全标准,为网络运维提供安全可靠的AI驱动平台。

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