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Index: P

• packets, TCP format: Establishing the Secure Connection
• PAM (Pluggable Authentication Modules): PAM
• • PAM authentication
  • authentication using: PAM authentication
  • configuration: Password authentication
• passphrases: Generating Key Pairs with ssh-keygen
• • batch or cron jobs: Storing the passphrase in the filesystem
  • changing: If You Change Your Key
  • • SSH1: Generating RSA Keys for SSH1
  • choosing a secure passphrase: Key Management
  • limitations: The SSH Agent
  • protecting: Backgrounding a remote command, take two
  • selection: Selecting a Passphrase
  • specifying
  • • SSH1: Generating RSA Keys for SSH1
  • troubleshooting, prompting for passphrase of wrong key: Public-key authentication
• password authentication
• • SSH1: Password authentication
  • troubleshooting: Server Debugging
• password expiration warnings: Expired Account or Password
• password prompting
• • SSH1: Password prompting in SSH1
• password prompts, suppression with batch mode: Batch mode: suppressing prompts
• PasswordAuthentication: Password authentication
• PasswordExpireWarningDays: Expired Account or Password
• PasswordGuesses: Failed logins
• • Failed logins
• PasswordPrompt: Password prompting in SSH2
• PasswordPromptHost: Password prompting in SSH1
• PasswordPromptLogin: Password prompting in SSH1
• passwords
• • authentication: Password authentication
  • cracking: Password Cracking
  • one-time passwords: Compilation Flags
  • "one-time" use for authentication, SSH1: One-time passwords
  • security risks: Authentication by Cryptographic Key
  • • Authentication
• PASV command: The FTP Protocol
• PenguiNet: Table of Products
• per-account authorization files: Per-account authorization files
• • configuration failure: Per-account authorization files
• per-account configuration: Compile-Time Configuration
• • Server Configuration: An Overview
  • Per-Account Server Configuration
  • authentication issues: Authentication Issues
  • authentication using PGP (SSH2): SSH2 PGP key authentication
  • CVS: Example: CVS and $LOGNAME
  • disabling agent forwarding: Disabling Forwarding
  • disabling port forwarding: Disabling Forwarding
  • "from" option (SSH1, OpenSSH): Restricting Access by Host or Domain
  • limitations: Limits of This Technique
  • precedence: Overriding Serverwide Settings
  • public key based: Public Key-Based Configuration
  • rc file: The User rc File
  • recommended settings: Per-Account Configuration
  • restriction of access by host or domain: Restricting Access by Host or Domain
  • server: Our Approach
  • setting idle timeouts: Setting Idle Timeout
  • trusted-host authentication: Trusted-Host Access Control
• perfect forward secrecy: Establishing the Secure Connection
• permissions
• • for batch and cron jobs: Least-privilege accounts
  • for newly created files: Permissions for newly created files
• PermitEmptyPasswords: Empty Passwords
• PermitRootLogin: Root access control
• PGP (Pretty Good Privacy): Secure File Transfer
• • authentication: PGP authentication
  • • SSH2: SSH2 PGP key authentication
  • compile-time configuration: Authentication
  • key authentication
  • • SSH2: SSH2 Identities
    • troubleshooting: PGP key authentication
  • OpenPGP compliance: Authentication
  • vs. SSH: Pretty Good Privacy (PGP)
• PGP signature of SSH distributions, verification: Verifying with PGP
• PgpKeyFingerprint: PGP authentication
• PgpKeyId: PGP authentication
• PgpKeyName: PGP authentication
• PgpPublicKeyFile: PGP authentication
• PgpSecretKeyFile: PGP authentication
• • PGP authentication
• pid file: Changing the Configuration
• • OpenSSH: Compilation Flags
• PidFile: Process ID file
• • Permissions for newly created files
• Pine: Pine, IMAP, and SSH
• • concurrent invocations: Using a Connection Script
  • configuring use of SSH instead of rsh: Making Pine use SSH instead of rsh
  • .k5login file: Kerberos-4 in OpenSSH
  • mail relaying with SSH: Mail Relaying and News Access
  • remote usernames: Making Pine use SSH instead of rsh
  • securing IMAP authentication with SSH: Securing IMAP Authentication
• Pine mail reader, replacing rsh with ssh: Pine
• .pinerc file, configuration: Making Pine use SSH instead of rsh
• plaintext: Cryptography Primer
• platforms, SSH implementations for: Supported Platforms
• Pluggable Authentication Modules (see PAM)
• Port: Running as an Ordinary User
• • Port number and network interface
  • Selecting a remote port
  • recommended setting: /etc/sshd_config
• port conflicts, avoiding: Server Debugging
• port forwarding: Port Forwarding
• • Forwarding ( Tunneling)
  • Port Forwarding and X Forwarding
  • Port Forwarding
  • between Pine and IMAP host, security risks: Securing IMAP Authentication
  • compile-time configuration: TCP port forwarding
  • • Compile-time configuration
  • disabling: Disabling Forwarding
  • firewalls, bypassing: Bypassing a Firewall
  • gateway hosts: Making Transparent SSH Connections
  • listening port numbers: The Listening Port Number
  • listing connections, escape sequence for: The Escape Character
  • local compared to remote: Comparing Local and Remote PortForwarding
  • local forwarding: Local Forwarding
  • • Local versus remote forwarding: the distinction
    • and GatewayPorts: Local forwarding and GatewayPorts
  • localhost issues: Forwarding Off-Host
  • multiple connections: Trouble with Multiple Connections
  • non TCP-based protocols: Port Forwarding
  • off-host: Forwarding Off-Host
  • per-account configuration: Per-account configuration
  • "bind\: Address already in use" message: Port forwarding
  • recommended setting: /etc/sshd_config
  • remote forwarding: Local versus remote forwarding: the distinction
  • server configuration: Configuring Port Forwarding in the Server
  • SMTP and NNTP connections: Mail Relaying and News Access
  • SSH-in-SSH: Another Approach: SSH-in-SSH(Port Forwarding)
  • suspending, escape sequence for: The Escape Character
  • target address: Choosing the Target Forwarding Address
  • termination: Termination
  • TIME_WAIT: The TIME_WAIT problem
  • without remote logins: Port Forwarding Without a Remote Login
• port numbers: Selecting a remote port
• • Local Forwarding
  • encoding: The Listening Port Number
  • listening: The Listening Port Number
• ports
• • nonprivileged, forcing: Forcing a nonprivileged local port
  • remote, selecting: Selecting a remote port
• pre-image-resistance of hash functions: Hash Functions
• precedence, serverwide configuration: Command-Line Options
• --prefix: Installation, files, and directories
• • Locating the ssh Executable
  • recommended setting: Compile-Time Configuration
• PrintMotd: Welcome Messages for the User
• privacy: Privacy (Encryption)
• private keys: Brief Introduction to Keys
• • What Is an Identity?
  • importance of secrecy: Generating Key Pairs with ssh-keygen
  • plaintext authentication, batch or cron jobs: Using a plaintext key
• privileged ports: rsh Suite (R-Commands)
• • Trusted-host authentication (Rhosts and RhostsRSA)
• PRNG (pseudo-random number generators): Randomness
• progress indicator: Generating RSA/DSA Keys for SSH2
• protocols
• • IPSEC: IPSEC
  • SSH: The SSH Protocol
  • • version strings: Establishing the Secure Connection
  • SSH-1: Inside SSH-1
  • • authentication methods: Client Authentication
    • compared to SSH-2: Protocol Differences (SSH-1 Versus SSH-2)
  • SSH-2, modules: Protocol Differences (SSH-1 Versus SSH-2)
• proxies (see SOCKS)
• proxy: SOCKS proxy support
• proxy keys: SSH and authentication spoofing
• ProxyCommand: SOCKS in OpenSSH
• pseudo-random number generators (PRNG): Randomness
• pty (pseudo-terminal) allocation: Pseudo-terminal allocation (TTY/PTY/PTTY)
• PubKeyAuthentication: Public-key authentication
• public exponent, RSA key parameter: Installing a Public Key on an SSH ServerMachine
• public-key authentication: Public-key authentication
• • disadvantages, under SSH1: Public-key authentication
  • per-account configuration: Public Key-Based Configuration
  • SSH1: Public-key authentication
  • troubleshooting: Server Debugging
  • • Public-key authentication
    • checking file permissions: Public-key authentication
  • typos in key files: Public-key authentication
• public-key certificates: Key/identity binding
• public-key cryptography: Public- and Secret-Key Cryptography
• public-key encryption algorithms: Rivest-Shamir-Adleman (RSA)
• public-key files
• • installing on remote host: Public-key authentication
  • naming in SSH2: Generating RSA/DSA Keys for SSH2
• public keys: Brief Introduction to Keys
• • What Is an Identity?
  • comment fields
  • • changing: Generating RSA Keys for SSH1
    • • Generating RSA/DSA Keys for SSH2
    • SSH1: Generating RSA Keys for SSH1
  • deriving from private keys: Generating RSA/DSA Keys for SSH2
  • hosts: Fetching public keys of known hosts
  • installing in remote account: Installing a Public Key on an SSH ServerMachine
  • • Server Debugging
  • line break problem: Public-key authentication
  • RSA keylength (SSH1): Generating RSA Keys for SSH1
  • syntax, authorization files (SSH1): SSH1 Authorization Files
  • verification of ownership: Key/identity binding
• PublicHostKeyFile: Host key files
• PuTTY: Table of Products

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