:Title PuTTY User Manual
1 Title page=Top
1 Chapter 1: Introduction to PuTTY
2 Chapter 1: Introduction to PuTTY=t00000000
2 Section 1.1: What are SSH, Telnet and Rlogin?=t00000001
2 Section 1.2: How do SSH, Telnet and Rlogin differ?=t00000002
1 Chapter 2: Getting started with PuTTY
2 Chapter 2: Getting started with PuTTY=t00000003
2 Section 2.1: Starting a session=t00000004
2 Section 2.2: Verifying the host key (SSH only)=t00000005
2 Section 2.3: Logging in=t00000006
2 Section 2.4: After logging in=t00000007
2 Section 2.5: Logging out=t00000008
1 Chapter 3: Using PuTTY
2 Chapter 3: Using PuTTY=t00000009
2 Section 3.1: During your session
3 Section 3.1: During your session=t00000010
3 Section 3.1.1: Copying and pasting text=t00000011
3 Section 3.1.2: Scrolling the screen back=t00000012
3 Section 3.1.3: The System menu
4 Section 3.1.3: The System menu=t00000013
4 Section 3.1.3.1: The PuTTY Event Log=t00000014
4 Section 3.1.3.2: Special commands=t00000015
4 Section 3.1.3.3: Starting new sessions=t00000016
4 Section 3.1.3.4: Changing your session settings=t00000017
4 Section 3.1.3.5: Copy All to Clipboard=t00000018
4 Section 3.1.3.6: Clearing and resetting the terminal=t00000019
4 Section 3.1.3.7: Full screen mode=t00000020
1 Section 3.2: Creating a log file of your session=t00000021
1 Section 3.3: Altering your character set configuration=t00000022
1 Section 3.4: Using X11 forwarding in SSH=t00000023
1 Section 3.5: Using port forwarding in SSH=t00000024
1 Section 3.6: Making raw TCP connections=t00000025
2 Section 3.7: The PuTTY command line
3 Section 3.7: The PuTTY command line=t00000026
3 Section 3.7.1: Starting a session from the command line=t00000027
3 Section 3.7.2: -cleanup=t00000028
3 Section 3.7.3: Standard command-line options
4 Section 3.7.3: Standard command-line options=t00000029
4 Section 3.7.3.1: -load: load a saved session=t00000030
4 Section 3.7.3.2: Selecting a protocol: -ssh, -telnet, -rlogin, -raw=t00000031
4 Section 3.7.3.3: -v: increase verbosity=t00000032
4 Section 3.7.3.4: -l: specify a login name=t00000033
4 Section 3.7.3.5: -L, -R and -D: set up port forwardings=t00000034
4 Section 3.7.3.6: -m: read a remote command or script from a file=t00000035
4 Section 3.7.3.7: -P: specify a port number=t00000036
4 Section 3.7.3.8: -pw: specify a password=t00000037
4 Section 3.7.3.9: -A and -a: control agent forwarding=t00000038
4 Section 3.7.3.10: -X and -x: control X11 forwarding=t00000039
4 Section 3.7.3.11: -t and -T: control pseudo-terminal allocation=t00000040
4 Section 3.7.3.12: -N: suppress starting a shell or command=t00000041
4 Section 3.7.3.13: -C: enable compression=t00000042
4 Section 3.7.3.14: -1 and -2: specify an SSH protocol version=t00000043
4 Section 3.7.3.15: -i: specify an SSH private key=t00000044
1 Chapter 4: Configuring PuTTY
2 Chapter 4: Configuring PuTTY=t00000045
2 Section 4.1: The Session panel
3 Section 4.1: The Session panel=t00000046
3 Section 4.1.1: The host name section=session.hostname
3 Section 4.1.2: Loading and storing saved sessions=session.saved
3 Section 4.1.3: ‘Close Window on Exit’=session.coe
2 Section 4.2: The Logging panel
3 Section 4.2: The Logging panel=logging.main
3 Section 4.2.1: ‘Log file name’=logging.filename
3 Section 4.2.2: ‘What to do if the log file already exists’=logging.exists
3 Section 4.2.3: Options specific to SSH packet logging
4 Section 4.2.3: Options specific to SSH packet logging=t00000047
4 Section 4.2.3.1: ‘Omit known password fields’=logging.ssh.omitpassword
4 Section 4.2.3.2: ‘Omit session data’=logging.ssh.omitdata
2 Section 4.3: The Terminal panel
3 Section 4.3: The Terminal panel=t00000048
3 Section 4.3.1: ‘Auto wrap mode initially on’=terminal.autowrap
3 Section 4.3.2: ‘DEC Origin Mode initially on’=terminal.decom
3 Section 4.3.3: ‘Implicit CR in every LF’=terminal.lfhascr
3 Section 4.3.4: ‘Use background colour to erase screen’=terminal.bce
3 Section 4.3.5: ‘Enable blinking text’=terminal.blink
3 Section 4.3.6: ‘Answerback to ^E’=terminal.answerback
3 Section 4.3.7: ‘Local echo’=terminal.localecho
3 Section 4.3.8: ‘Local line editing’=terminal.localedit
3 Section 4.3.9: Remote-controlled printing=terminal.printing
2 Section 4.4: The Keyboard panel
3 Section 4.4: The Keyboard panel=t00000049
3 Section 4.4.1: Changing the action of the Backspace key=keyboard.backspace
3 Section 4.4.2: Changing the action of the Home and End keys=keyboard.homeend
3 Section 4.4.3: Changing the action of the function keys and keypad=keyboard.funkeys
3 Section 4.4.4: Controlling Application Cursor Keys mode=keyboard.appcursor
3 Section 4.4.5: Controlling Application Keypad mode=keyboard.appkeypad
3 Section 4.4.6: Using NetHack keypad mode=keyboard.nethack
3 Section 4.4.7: Enabling a DEC-like Compose key=keyboard.compose
3 Section 4.4.8: ‘Control-Alt is different from AltGr’=keyboard.ctrlalt
2 Section 4.5: The Bell panel
3 Section 4.5: The Bell panel=t00000050
3 Section 4.5.1: ‘Set the style of bell’=bell.style
3 Section 4.5.2: ‘Taskbar/caption indication on bell’=bell.taskbar
3 Section 4.5.3: ‘Control the bell overload behaviour’=bell.overload
2 Section 4.6: The Features panel
3 Section 4.6: The Features panel=t00000051
3 Section 4.6.1: Disabling application keypad and cursor keys=features.application
3 Section 4.6.2: Disabling xterm-style mouse reporting=features.mouse
3 Section 4.6.3: Disabling remote terminal resizing=features.resize
3 Section 4.6.4: Disabling switching to the alternate screen=features.altscreen
3 Section 4.6.5: Disabling remote window title changing=features.retitle
3 Section 4.6.6: Disabling remote window title querying=features.qtitle
3 Section 4.6.7: Disabling destructive backspace=features.dbackspace
3 Section 4.6.8: Disabling remote character set configuration=features.charset
2 Section 4.7: The Window panel
3 Section 4.7: The Window panel=t00000052
3 Section 4.7.1: Setting the size of the PuTTY window=window.size
3 Section 4.7.2: What to do when the window is resized=window.resize
3 Section 4.7.3: Controlling scrollback=window.scrollback
3 Section 4.7.4: ‘Push erased text into scrollback’=window.erased
2 Section 4.8: The Appearance panel
3 Section 4.8: The Appearance panel=t00000053
3 Section 4.8.1: Controlling the appearance of the cursor=appearance.cursor
3 Section 4.8.2: Controlling the font used in the terminal window=appearance.font
3 Section 4.8.3: ‘Hide mouse pointer when typing in window’=appearance.hidemouse
3 Section 4.8.4: Controlling the window border=appearance.border
2 Section 4.9: The Behaviour panel
3 Section 4.9: The Behaviour panel=t00000054
3 Section 4.9.1: Controlling the window title=appearance.title
3 Section 4.9.2: ‘Warn before closing window’=behaviour.closewarn
3 Section 4.9.3: ‘Window closes on ALT-F4’=behaviour.altf4
3 Section 4.9.4: ‘System menu appears on ALT-Space’=behaviour.altspace
3 Section 4.9.5: ‘System menu appears on Alt alone’=behaviour.altonly
3 Section 4.9.6: ‘Ensure window is always on top’=behaviour.alwaysontop
3 Section 4.9.7: ‘Full screen on Alt-Enter’=behaviour.altenter
2 Section 4.10: The Translation panel
3 Section 4.10: The Translation panel=t00000055
3 Section 4.10.1: Controlling character set translation=translation.codepage
3 Section 4.10.2: ‘Caps Lock acts as Cyrillic switch’=translation.cyrillic
3 Section 4.10.3: Controlling display of line drawing characters=translation.linedraw
3 Section 4.10.4: Controlling copy and paste of line drawing characters=selection.linedraw
2 Section 4.11: The Selection panel
3 Section 4.11: The Selection panel=t00000056
3 Section 4.11.1: Pasting in Rich Text Format=selection.rtf
3 Section 4.11.2: Changing the actions of the mouse buttons=selection.buttons
3 Section 4.11.3: ‘Shift overrides application's use of mouse’=selection.shiftdrag
3 Section 4.11.4: Default selection mode=selection.rect
3 Section 4.11.5: Configuring word-by-word selection=selection.charclasses
2 Section 4.12: The Colours panel
3 Section 4.12: The Colours panel=t00000057
3 Section 4.12.1: ‘Bolded text is a different colour’=colours.bold
3 Section 4.12.2: ‘Attempt to use logical palettes’=colours.logpal
3 Section 4.12.3: ‘Use system colours’=colours.system
3 Section 4.12.4: Adjusting the colours in the terminal window=colours.config
2 Section 4.13: The Connection panel
3 Section 4.13: The Connection panel=t00000058
3 Section 4.13.1: ‘Terminal-type string’=connection.termtype
3 Section 4.13.2: ‘Terminal speeds’=connection.termspeed
3 Section 4.13.3: ‘Auto-login username’=connection.username
3 Section 4.13.4: Setting environment variables on the server=telnet.environ
3 Section 4.13.5: Using keepalives to prevent disconnection=connection.keepalive
3 Section 4.13.6: ‘Disable Nagle's algorithm’=connection.nodelay
3 Section 4.13.7: ‘Enable TCP keepalives’=connection.tcpkeepalive
2 Section 4.14: The Proxy panel
3 Section 4.14: The Proxy panel=proxy.main
3 Section 4.14.1: Setting the proxy type=proxy.type
3 Section 4.14.2: Excluding parts of the network from proxying=proxy.exclude
3 Section 4.14.3: Name resolution when using a proxy=proxy.dns
3 Section 4.14.4: Username and password=proxy.auth
3 Section 4.14.5: Specifying the Telnet proxy command=proxy.command
2 Section 4.15: The Telnet panel
3 Section 4.15: The Telnet panel=t00000059
3 Section 4.15.1: ‘Handling of OLD_ENVIRON ambiguity’=telnet.oldenviron
3 Section 4.15.2: Passive and active Telnet negotiation modes=telnet.passive
3 Section 4.15.3: ‘Keyboard sends Telnet special commands’=telnet.specialkeys
3 Section 4.15.4: ‘Return key sends Telnet New Line instead of ^M’=telnet.newline
2 Section 4.16: The Rlogin panel
3 Section 4.16: The Rlogin panel=t00000060
3 Section 4.16.1: ‘Local username’=rlogin.localuser
2 Section 4.17: The SSH panel
3 Section 4.17: The SSH panel=t00000061
3 Section 4.17.1: Executing a specific command on the server=ssh.command
3 Section 4.17.2: ‘Don't allocate a pseudo-terminal’=ssh.nopty
3 Section 4.17.3: ‘Don't start a shell or command at all’=ssh.noshell
3 Section 4.17.4: ‘Enable compression’=ssh.compress
3 Section 4.17.5: ‘Preferred SSH protocol version’=ssh.protocol
3 Section 4.17.6: Encryption algorithm selection=ssh.ciphers
2 Section 4.18: The Auth panel
3 Section 4.18: The Auth panel=t00000062
3 Section 4.18.1: ‘Attempt TIS or CryptoCard authentication’=ssh.auth.tis
3 Section 4.18.2: ‘Attempt keyboard-interactive authentication’=ssh.auth.ki
3 Section 4.18.3: ‘Allow agent forwarding’=ssh.auth.agentfwd
3 Section 4.18.4: ‘Allow attempted changes of username in SSH2’=ssh.auth.changeuser
3 Section 4.18.5: ‘Private key file for authentication’=ssh.auth.privkey
2 Section 4.19: The Tunnels panel
3 Section 4.19: The Tunnels panel=t00000063
3 Section 4.19.1: X11 forwarding
4 Section 4.19.1: X11 forwarding=ssh.tunnels.x11
4 Section 4.19.1.1: Remote X11 authentication=ssh.tunnels.x11auth
2 Section 4.19.2: Port forwarding=ssh.tunnels.portfwd
2 Section 4.19.3: Controlling the visibility of forwarded ports=ssh.tunnels.portfwd.localhost
2 Section 4.20: The Bugs panel
3 Section 4.20: The Bugs panel=t00000064
3 Section 4.20.1: ‘Chokes on SSH1 ignore messages’=ssh.bugs.ignore1
3 Section 4.20.2: ‘Refuses all SSH1 password camouflage’=ssh.bugs.plainpw1
3 Section 4.20.3: ‘Chokes on SSH1 RSA authentication’=ssh.bugs.rsa1
3 Section 4.20.4: ‘Miscomputes SSH2 HMAC keys’=ssh.bugs.hmac2
3 Section 4.20.5: ‘Miscomputes SSH2 encryption keys’=ssh.bugs.derivekey2
3 Section 4.20.6: ‘Requires padding on SSH2 RSA signatures’=ssh.bugs.rsapad2
3 Section 4.20.7: ‘Chokes on Diffie-Hellman group exchange’=ssh.bugs.dhgex2
3 Section 4.20.8: ‘Misuses the session ID in PK auth’=ssh.bugs.pksessid2
1 Section 4.21: Storing configuration in a file=t00000065
1 Chapter 5: Using PSCP to transfer files securely
2 Chapter 5: Using PSCP to transfer files securely=t00000066
2 Section 5.1: Starting PSCP=t00000067
2 Section 5.2: PSCP Usage
3 Section 5.2: PSCP Usage=t00000068
3 Section 5.2.1: The basics
4 Section 5.2.1: The basics=t00000069
4 Section 5.2.1.1: user=t00000070
4 Section 5.2.1.2: host=t00000071
4 Section 5.2.1.3: source=t00000072
4 Section 5.2.1.4: target=t00000073
3 Section 5.2.2: Options
4 Section 5.2.2: Options=t00000074
4 Section 5.2.2.1: -p preserve file attributes=t00000075
4 Section 5.2.2.2: -q quiet, don't show statistics=t00000076
4 Section 5.2.2.3: -r copies directories recursively=t00000077
4 Section 5.2.2.4: -batch avoid interactive prompts=t00000078
4 Section 5.2.2.5: -sftp, -scp force use of particular protocol=t00000079
2 Section 5.2.3: Return value=t00000080
2 Section 5.2.4: Using public key authentication with PSCP=t00000081
1 Chapter 6: Using PSFTP to transfer files securely
2 Chapter 6: Using PSFTP to transfer files securely=t00000082
2 Section 6.1: Starting PSFTP
3 Section 6.1: Starting PSFTP=t00000083
3 Section 6.1.1: -b: specify a file containing batch commands=t00000084
3 Section 6.1.2: -bc: display batch commands as they are run=t00000085
3 Section 6.1.3: -be: continue batch processing on errors=t00000086
3 Section 6.1.4: -batch: avoid interactive prompts=t00000087
2 Section 6.2: Running PSFTP
3 Section 6.2: Running PSFTP=t00000088
3 Section 6.2.1: General quoting rules for PSFTP commands=t00000089
3 Section 6.2.2: The open command: start a session=t00000090
3 Section 6.2.3: The quit command: end your session=t00000091
3 Section 6.2.4: The help command: get quick online help=t00000092
3 Section 6.2.5: The cd and pwd commands: changing the remote working directory=t00000093
3 Section 6.2.6: The lcd and lpwd commands: changing the local working directory=t00000094
3 Section 6.2.7: The get command: fetch a file from the server=t00000095
3 Section 6.2.8: The put command: send a file to the server=t00000096
3 Section 6.2.9: The reget and reput commands: resuming file transfers=t00000097
3 Section 6.2.10: The dir command: list remote files=t00000098
3 Section 6.2.11: The chmod command: change permissions on remote files=t00000099
3 Section 6.2.12: The del command: delete remote files=t00000100
3 Section 6.2.13: The mkdir command: create remote directories=t00000101
3 Section 6.2.14: The rmdir command: remove remote directories=t00000102
3 Section 6.2.15: The ren command: rename remote files=t00000103
3 Section 6.2.16: The ! command: run a local Windows command=t00000104
1 Section 6.3: Using public key authentication with PSFTP=t00000105
1 Chapter 7: Using the command-line connection tool Plink
2 Chapter 7: Using the command-line connection tool Plink=t00000106
2 Section 7.1: Starting Plink=t00000107
2 Section 7.2: Using Plink
3 Section 7.2: Using Plink=t00000108
3 Section 7.2.1: Using Plink for interactive logins=t00000109
3 Section 7.2.2: Using Plink for automated connections=t00000110
3 Section 7.2.3: Plink command line options
4 Section 7.2.3: Plink command line options=t00000111
4 Section 7.2.3.1: -batch: disable all interactive prompts=t00000112
4 Section 7.2.3.2: -s: remote command is SSH subsystem=t00000113
1 Section 7.3: Using Plink in batch files and scripts=t00000114
1 Section 7.4: Using Plink with CVS=t00000115
1 Section 7.5: Using Plink with WinCVS=t00000116
1 Chapter 8: Using public keys for SSH authentication
2 Chapter 8: Using public keys for SSH authentication=t00000117
2 Section 8.1: Public key authentication - an introduction=t00000118
2 Section 8.2: Using PuTTYgen, the PuTTY key generator
3 Section 8.2: Using PuTTYgen, the PuTTY key generator=puttygen.general
3 Section 8.2.1: Generating a new key=t00000119
3 Section 8.2.2: Selecting the type of key=puttygen.keytype
3 Section 8.2.3: Selecting the size (strength) of the key=puttygen.bits
3 Section 8.2.4: The ‘Generate’ button=puttygen.generate
3 Section 8.2.5: The ‘Key fingerprint’ box=puttygen.fingerprint
3 Section 8.2.6: Setting a comment for your key=puttygen.comment
3 Section 8.2.7: Setting a passphrase for your key=puttygen.passphrase
3 Section 8.2.8: Saving your private key to a disk file=puttygen.savepriv
3 Section 8.2.9: Saving your public key to a disk file=puttygen.savepub
3 Section 8.2.10: ‘Public key for pasting into authorized_keys file’=puttygen.pastekey
3 Section 8.2.11: Reloading a private key=puttygen.load
3 Section 8.2.12: Dealing with private keys in other formats=puttygen.conversions
1 Section 8.3: Getting ready for public key authentication=t00000120
1 Chapter 9: Using Pageant for authentication
2 Chapter 9: Using Pageant for authentication=pageant.general
2 Section 9.1: Getting started with Pageant=t00000121
2 Section 9.2: The Pageant main window
3 Section 9.2: The Pageant main window=t00000122
3 Section 9.2.1: The key list box=pageant.keylist
3 Section 9.2.2: The ‘Add Key’ button=pageant.addkey
3 Section 9.2.3: The ‘Remove Key’ button=pageant.remkey
2 Section 9.3: The Pageant command line
3 Section 9.3: The Pageant command line=t00000123
3 Section 9.3.1: Making Pageant automatically load keys on startup=t00000124
3 Section 9.3.2: Making Pageant run another program=t00000125
1 Section 9.4: Using agent forwarding=t00000126
1 Section 9.5: Security considerations=t00000127
1 Chapter 10: Common error messages
2 Chapter 10: Common error messages=t00000128
2 Section 10.1: ‘The server's host key is not cached in the registry’=t00000129
2 Section 10.2: ‘WARNING - POTENTIAL SECURITY BREACH!’=t00000130
2 Section 10.3: ‘Out of space for port forwardings’=t00000131
2 Section 10.4: ‘The first cipher supported by the server is ... below the configured warning threshold’=t00000132
2 Section 10.5: ‘Server sent disconnect message type 2 (SSH_DISCONNECT_PROTOCOL_ERROR): "Too many authentication failures for root"’=t00000133
2 Section 10.6: ‘Out of memory’=t00000134
2 Section 10.7: ‘Internal error’, ‘Internal fault’, ‘Assertion failed’=t00000135
2 Section 10.8: ‘Unable to use this private key file’, ‘Couldn't load private key’, ‘Key is of wrong type’=t00000136
2 Section 10.9: ‘Server refused our public key’ or ‘Key refused’=t00000137
2 Section 10.10: ‘Access denied’, ‘Authentication refused’=t00000138
2 Section 10.11: ‘Incorrect CRC received on packet’ or ‘Incorrect MAC received on packet’=t00000139
2 Section 10.12: ‘Incoming packet was garbled on decryption’=t00000140
2 Section 10.13: ‘PuTTY X11 proxy: various errors’=t00000141
2 Section 10.14: ‘Network error: Software caused connection abort’=t00000142
2 Section 10.15: ‘Network error: Connection reset by peer’=t00000143
2 Section 10.16: ‘Network error: Connection refused’=t00000144
2 Section 10.17: ‘Network error: Connection timed out’=t00000145
1 Appendix A: PuTTY FAQ
2 Appendix A: PuTTY FAQ=t00000146
2 Section A.1: Introduction
3 Section A.1: Introduction=t00000147
3 Question A.1.1: What is PuTTY?=t00000148
2 Section A.2: Features supported in PuTTY
3 Section A.2: Features supported in PuTTY=t00000149
3 Question A.2.1: Does PuTTY support SSH v2?=t00000150
3 Question A.2.2: Does PuTTY support reading OpenSSH or ssh.com SSHv2 private key files?=t00000151
3 Question A.2.3: Does PuTTY support SSH v1?=t00000152
3 Question A.2.4: Does PuTTY support local echo?=t00000153
3 Question A.2.5: Does PuTTY support storing settings, so I don't have to change them every time?=t00000154
3 Question A.2.6: Does PuTTY support storing its settings in a disk file?=t00000155
3 Question A.2.7: Does PuTTY support full-screen mode, like a DOS box?=t00000156
3 Question A.2.8: Does PuTTY have the ability to remember my password so I don't have to type it every time?=t00000157
3 Question A.2.9: Is there an option to turn off the annoying host key prompts?=t00000158
3 Question A.2.10: Will you write an SSH server for the PuTTY suite, to go with the client?=t00000159
3 Question A.2.11: Can PSCP or PSFTP transfer files in ASCII mode?=t00000160
2 Section A.3: Ports to other operating systems
3 Section A.3: Ports to other operating systems=t00000161
3 Question A.3.1: What ports of PuTTY exist?=t00000162
3 Question A.3.2: Is there a port to Unix?=t00000163
3 Question A.3.3: What's the point of the Unix port? Unix has OpenSSH.=t00000164
3 Question A.3.4: Will there be a port to Windows CE or PocketPC?=t00000165
3 Question A.3.5: Is there a port to Windows 3.1?=t00000166
3 Question A.3.6: Will there be a port to the Mac?=t00000167
3 Question A.3.7: Will there be a port to EPOC?=t00000168
2 Section A.4: Embedding PuTTY in other programs
3 Section A.4: Embedding PuTTY in other programs=t00000169
3 Question A.4.1: Is the SSH or Telnet code available as a DLL?=t00000170
3 Question A.4.2: Is the SSH or Telnet code available as a Visual Basic component?=t00000171
3 Question A.4.3: How can I use PuTTY to make an SSH connection from within another program?=t00000172
2 Section A.5: Details of PuTTY's operation
3 Section A.5: Details of PuTTY's operation=t00000173
3 Question A.5.1: What terminal type does PuTTY use?=t00000174
3 Question A.5.2: Where does PuTTY store its data?=t00000175
2 Section A.6: HOWTO questions
3 Section A.6: HOWTO questions=t00000176
3 Question A.6.1: How can I make PuTTY start up maximised?=t00000177
3 Question A.6.2: How can I create a Windows shortcut to start a particular saved session directly?=t00000178
3 Question A.6.3: How can I start an SSH session straight from the command line?=t00000179
3 Question A.6.4: How do I copy and paste between PuTTY and other Windows applications?=t00000180
3 Question A.6.5: How do I use all PuTTY's features (public keys, proxying, cipher selection, etc.) in PSCP, PSFTP and Plink?=t00000181
3 Question A.6.6: How do I use PSCP.EXE? When I double-click it gives me a command prompt window which then closes instantly.=t00000182
3 Question A.6.7: How do I use PSCP to copy a file whose name has spaces in?=t00000183
2 Section A.7: Troubleshooting
3 Section A.7: Troubleshooting=t00000184
3 Question A.7.1: Why do I see ‘Incorrect MAC received on packet’?=t00000185
3 Question A.7.2: Why do I see ‘Fatal: Protocol error: Expected control record’ in PSCP?=t00000186
3 Question A.7.3: I clicked on a colour in the Colours panel, and the colour didn't change in my terminal.=t00000187
3 Question A.7.4: Plink on Windows 95 says it can't find WS2_32.DLL.=t00000188
3 Question A.7.5: After trying to establish an SSH 2 connection, PuTTY says ‘Out of memory’ and dies.=t00000189
3 Question A.7.6: When attempting a file transfer, either PSCP or PSFTP says ‘Out of memory’ and dies.=t00000190
3 Question A.7.7: PSFTP transfers files much slower than PSCP.=t00000191
3 Question A.7.8: When I run full-colour applications, I see areas of black space where colour ought to be.=t00000192
3 Question A.7.9: When I change some terminal settings, nothing happens.=t00000193
3 Question A.7.10: My PuTTY sessions unexpectedly close after they are idle for a while.=t00000194
3 Question A.7.11: PuTTY's network connections time out too quickly when network connectivity is temporarily lost.=t00000195
3 Question A.7.12: When I cat a binary file, I get `PuTTYPuTTYPuTTY' on my command line.=t00000196
3 Question A.7.13: When I cat a binary file, my window title changes to a nonsense string.=t00000197
3 Question A.7.14: My keyboard stops working once PuTTY displays the password prompt.=t00000198
3 Question A.7.15: One or more function keys don't do what I expected in a server-side application.=t00000199
3 Question A.7.16: Since my SSH server was upgraded to OpenSSH 3.1p1/3.4p1, I can no longer connect with PuTTY.=t00000200
3 Question A.7.17: Why do I see "Couldn't load private key from ..."? Why can PuTTYgen load my key but not PuTTY?=t00000201
3 Question A.7.18: When I'm connected to a Red Hat Linux 8.0 system, some characters don't display properly.=t00000202
3 Question A.7.19: Since I upgraded to PuTTY 0.54, the scrollback has stopped working when I run screen.=t00000203
3 Question A.7.20: Since I upgraded Windows XP to Service Pack 2, I can't use addresses like 127.0.0.2.=t00000204
3 Question A.7.21: PSFTP commands seem to be missing a directory separator (slash).=t00000205
2 Section A.8: Security questions
3 Section A.8: Security questions=t00000206
3 Question A.8.1: Is it safe for me to download PuTTY and use it on a public PC?=t00000207
3 Question A.8.2: What does PuTTY leave on a system? How can I clean up after it?=t00000208
3 Question A.8.3: How come PuTTY now supports DSA, when the website used to say how insecure it was?=t00000209
3 Question A.8.4: Couldn't Pageant use VirtualLock() to stop private keys being written to disk?=t00000210
2 Section A.9: Administrative questions
3 Section A.9: Administrative questions=t00000211
3 Question A.9.1: Would you like me to register you a nicer domain name?=t00000212
3 Question A.9.2: Would you like free web hosting for the PuTTY web site?=t00000213
3 Question A.9.3: Would you link to my web site from the PuTTY web site?=t00000214
3 Question A.9.4: Why don't you move PuTTY to SourceForge?=t00000215
3 Question A.9.5: Why can't I subscribe to the putty-bugs mailing list?=t00000216
3 Question A.9.6: If putty-bugs isn't a general-subscription mailing list, what is?=t00000217
3 Question A.9.7: How can I donate to PuTTY development?=t00000218
3 Question A.9.8: Can I have permission to put PuTTY on a cover disk / distribute it with other software / etc?=t00000219
2 Section A.10: Miscellaneous questions
3 Section A.10: Miscellaneous questions=t00000220
3 Question A.10.1: Is PuTTY a port of OpenSSH, or based on OpenSSH?=t00000221
3 Question A.10.2: Where can I buy silly putty?=t00000222
3 Question A.10.3: What does ‘PuTTY’ mean?=t00000223
3 Question A.10.4: How do I pronounce ‘PuTTY’?=t00000224
1 Appendix B: Feedback and bug reporting
2 Appendix B: Feedback and bug reporting=t00000225
2 Section B.1: General guidelines
3 Section B.1: General guidelines=t00000226
3 Section B.1.1: Sending large attachments=t00000227
1 Section B.2: Reporting bugs=t00000228
1 Section B.3: Requesting extra features=t00000229
1 Section B.4: Requesting features that have already been requested=t00000230
1 Section B.5: Support requests=t00000231
1 Section B.6: Web server administration=t00000232
1 Section B.7: Asking permission for things=t00000233
1 Section B.8: Mirroring the PuTTY web site=t00000234
1 Section B.9: Praise and compliments=t00000235
1 Section B.10: E-mail address=t00000236
1 Appendix C: PuTTY Licence
2 Appendix C: PuTTY Licence=t00000237