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  • Introduction
  • GETTING STARTED
    • SDK Quick Start
    • API Quick Start
  • Guides
    • Web
      • Create a wallet
      • Send tokens
      • Sign a transaction
      • Simulate a transaction
      • Back up a wallet
      • Recover a wallet
      • Cross-device sessions
      • Manage wallet lifecycle states
      • Web authentication methods
      • Perform swaps
      • Add custom signature hooks
      • MPC progress callbacks
      • Portal API methods
      • Configure a custom subdomain
      • Eject a wallet
      • Using the EIP-1193 Provider
      • Legacy documentation
        • Back up a wallet
          • Backup Options
        • Recover a wallet
    • iOS
      • Create a wallet
      • Send tokens
      • Sign a transaction
      • Simulate a transaction
      • Back up a wallet
      • Recover a wallet
      • Cross-device sessions
      • Manage wallet lifecycle states
      • Connect with WalletConnect
      • Build a WebView
      • Perform swaps
      • Add custom signature hooks
      • MPC progress callbacks
      • Portal API methods
      • Manage ERC20 tokens
      • Eject a wallet
      • Legacy documentation
        • Back up a wallet
          • Backup Options
          • Passkey + Enclave Storage
        • Recover a wallet
      • Troubleshooting Tips
      • Feature Flags
    • Android
      • Create a wallet
      • Send tokens
      • Sign a transaction
      • Simulate a transaction
      • Back up a wallet
      • Recover a wallet
      • Cross-device sessions
      • Manage wallet lifecycle states
      • Connect with WalletConnect
      • Build a WebView
      • Perform swaps
      • Add custom signature hooks
      • MPC progress callbacks
      • Portal API methods
      • Eject a wallet
      • Legacy documentation
        • Back up a wallet
          • Backup Options
        • Recover a wallet
    • React Native
      • Create a wallet
      • Send tokens
      • Sign a transaction
      • Simulate a transaction
      • Back up a wallet
      • Recover a wallet
      • Cross-device sessions
      • Manage wallet lifecycle states
      • Connect with WalletConnect
      • Build a WebView
      • Perform swaps
      • Add custom signature hooks
      • MPC progress callbacks
      • Portal API methods
      • Eject a wallet
      • Legacy documentation
        • Back up a wallet
          • Backup Options
        • Recover a wallet
    • Enclave MPC API
      • Create a client
      • Create a wallet
      • Send tokens
      • Sign Ethereum transactions
      • Sign Solana transactions
      • Sign Tron transactions
      • Sign Stellar Transaction
      • Concurrent Transactions
      • Back up a wallet
      • Eject a wallet
  • Reference
    • iOS
      • createWallet
      • backupWallet
      • recoverWallet
      • ejectPrivateKeys
      • registerBackupMethod
      • setGDriveConfiguration
      • setPasskeyConfiguration
      • setPasskeyAuthenticationAnchor
      • setPassword
      • availableRecoveryMethods
      • doesWalletExist
      • isWalletBackedUp
      • isWalletOnDevice
      • isWalletRecoverable
      • getBalances
      • getAssets
      • getNftAssets
      • getTransactions
      • sendSol
      • evaluateTransaction
      • buildEip155Transaction
      • buildSolanaTransaction
      • getWalletCapabilities
    • Android
      • Reference Documentation
    • React Native
      • @portal-hq/core
      • Storage adapters
        • Cloud storage
          • @portal-hq/gdrive-storage
          • @portal-hq/icloud-storage
        • Mobile storage
          • @portal-hq/keychain
          • @portal-hq/mobile-key-values
    • Enclave MPC API
      • V1 endpoints
    • Client API
      • V3 endpoints
      • V1 endpoints
    • Custodian API
      • V3 endpoints
      • V1 endpoints
    • Swaps API
      • V3 endpoints
      • V1 endpoints
  • Resources
    • Flutter
      • iOS
      • Android
    • Error codes
      • Overview
      • Legacy Documentation
        • MPC errors
        • Network errors
        • General errors
        • Encryption errors
        • Portal Connect errors
    • Portal's MPC architecture
    • Authentication and API Keys
    • Self-Managed Backups
    • Alert Webhooks
    • Wallet lifecycle
    • Backup options
      • Password/PIN
      • GDrive
      • iCloud
      • Passkey + Enclave
    • WalletConnect metadata
    • Advanced security scanning
    • Account abstraction
    • Security firewall
    • Eject
    • Security
    • Blockchain support
    • Chain ID formatting
    • Testnet faucets
    • Going to Production
    • Rate Limits
    • Multi-backup migration guide
    • Multi-wallet migration guides
      • Migrating from Android SDK v3.x.x to v4.x.x
      • Migrating from iOS SDK v3.0.x to v3.2.x
  • Support
    • Changelog
      • Android
      • iOS
      • React Native
      • Web
      • Past Releases
        • 2024 Releases
        • 2023 Releases
    • Celo Hackathon Hub
    • Glossary
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  1. Resources

Security firewall

In this page, we'll go through setting up policies on your security firewall to help protect your users/wallets from scams and threats.

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Last updated 11 months ago

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The security firewall is accessible through the Portal web app at .

Step 1: Click on the "Firewall" button on the right side of the page

Step 2: Click on Block address on the top right and enter either a digital address or smart contract address with your reason.;

Once that's completed the address will be set in a block state and available to be updated for the future.

Dynamic scam and exploit protection

Portal automatically blocks addresses, smart contracts and dApps associated with suspicious activity based on open source blocklists and updates the firewall with new information on a daily basis.

Additionally, Portal reviews transactions in process, checking both the to and data fields of a transaction. If either field contains an address that has been blocked, the transaction is rejected. This protects users from sending a transaction to an otherwise safe address if that address is associated with any blocked addresses or smart contracts directly (determined by the to field) or indirectly (determined by the data field).

For more detail information regarding the security firewall take a look at our blog post .

here
https://app.portalhq.io/