那些遇到过的问题

通过 PuTTY 的 SSH 转发不适用于 Windows 10

noS*_*oup 5 port-forwarding putty ssh-tunnel windows-10

我正在尝试在 PuTTY 中设置一个 SSH 隧道，以通过 SSH 使用 MySQL Workbench 连接到 RHEL 服务器的数据库。

  • 我在22到服务器的端口上设置了 SSH 会话，然后在 SSH > Tunnels 下，将本地端口转发49900到远程服务器的3306( L49900 remoteserverip:3306)。

    在 Workbench 中，我尝试通过 PuTTY 建立 SSH 连接后连接到localhost端口49900，但连接失败：Unable to connect to 127.0.0.1:49900

我的笔记本电脑 (W10 Enterprise v1809) 上有一个相同的设置，它运行良好，PuTTY 和 Workbench 配置都是从我的笔记本电脑导出的。在我的桌面 (W10 Pro v1909) 上尝试相同的操作时，Workbench 出现错误Unable to connect to 127.0.0.1:49900

我已经尝试在 Windows 10（如下）以及其他两台服务器上测试 Powershell 中的端口（它们都不起作用，包括转发 Web 端口）：

  • 桌面： 
    Test-NetConnection -ComputerName 127.0.0.1 -Port 49900
WARNING: TCP connect to (127.0.0.1 : 49900) failed
ComputerName           : 127.0.0.1
RemoteAddress          : 127.0.0.1
RemotePort             : 49900
InterfaceAlias         : Loopback Pseudo-Interface 1
SourceAddress          : 127.0.0.1
PingSucceeded          : True
PingReplyDetails (RTT) : 0 ms
TcpTestSucceeded       : False
    Run Code Online (Sandbox Code Playgroud)
  • 笔记本电脑： 
    Test-NetConnection -ComputerName 127.0.0.1 -Port 49900
ComputerName           : 127.0.0.1
RemoteAddress          : 127.0.0.1
RemotePort             : 49900
InterfaceAlias         : Loopback Pseudo-Interface 1
SourceAddress          : 127.0.0.1
PingSucceeded          : True
    Run Code Online (Sandbox Code Playgroud)

我的密钥是正确的，因为我.ppk在两台机器上使用相同的密钥，并且我可以从两台机器连接到我的所有服务器 - 只有转发在台式机上不起作用。

  • 腻子日志：
    • 桌面： 
      Incoming packet 0x6, type 52 / 0x34 (SSH2_MSG_USERAUTH_SUCCESS)
Event Log: Access granted 
Event Log: Local port 49900 forwarding to [remoteip]:3306 failed: Network error: Permission denied
      Run Code Online (Sandbox Code Playgroud)
    • 笔记本电脑 
      Incoming packet 0x7, type 52 / 0x34 (SSH2_MSG_USERAUTH_SUCCESS)
Event Log: Access granted
Event Log: Local port 49900 forwarding to [remoteip]:3306 
Event Log: Opening main session channel Outgoing packet 0x8, type 90 / 0x5a (SSH2_MSG_CHANNEL_OPEN)
      Run Code Online (Sandbox Code Playgroud)
  • 腻子简介： 
    [HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\BF%20login]
"Present"=dword:00000001
"HostName"="*****************"
"LogFileName"="C:\\putty.log"
"LogType"=dword:00000004
"LogFileClash"=dword:ffffffff
"LogFlush"=dword:00000001
"LogHeader"=dword:00000001
"SSHLogOmitPasswords"=dword:00000001
"SSHLogOmitData"=dword:00000000
"Protocol"="ssh"
"PortNumber"=dword:00000016
"CloseOnExit"=dword:00000001
"WarnOnClose"=dword:00000001
"PingInterval"=dword:00000000
"PingIntervalSecs"=dword:00000000
"TCPNoDelay"=dword:00000001
"TCPKeepalives"=dword:00000000
"TerminalType"="xterm"
"TerminalSpeed"="38400,38400"
"TerminalModes"="CS7=A,CS8=A,DISCARD=A,DSUSP=A,ECHO=A,ECHOCTL=A,ECHOE=A,ECHOK=A,ECHOKE=A,ECHONL=A,EOF=A,EOL=A,EOL2=A,ERASE=A,FLUSH=A,ICANON=A,ICRNL=A,IEXTEN=A,IGNCR=A,IGNPAR=A,IMAXBEL=A,INLCR=A,INPCK=A,INTR=A,ISIG=A,ISTRIP=A,IUCLC=A,IUTF8=A,IXANY=A,IXOFF=A,IXON=A,KILL=A,LNEXT=A,NOFLSH=A,OCRNL=A,OLCUC=A,ONLCR=A,ONLRET=A,ONOCR=A,OPOST=A,PARENB=A,PARMRK=A,PARODD=A,PENDIN=A,QUIT=A,REPRINT=A,START=A,STATUS=A,STOP=A,SUSP=A,SWTCH=A,TOSTOP=A,WERASE=A,XCASE=A"
"AddressFamily"=dword:00000000
"ProxyExcludeList"=""
"ProxyDNS"=dword:00000001
"ProxyLocalhost"=dword:00000000
"ProxyMethod"=dword:00000000
"ProxyHost"="proxy"
"ProxyPort"=dword:00000050
"ProxyUsername"=""
"ProxyPassword"=""
"ProxyTelnetCommand"="connect %host %port\\n"
"ProxyLogToTerm"=dword:00000001
"Environment"=""
"UserName"=""
"UserNameFromEnvironment"=dword:00000000
"LocalUserName"=""
"NoPTY"=dword:00000000
"Compression"=dword:00000000
"TryAgent"=dword:00000001
"AgentFwd"=dword:00000000
"GssapiFwd"=dword:00000000
"ChangeUsername"=dword:00000000
"Cipher"="aes,chacha20,3des,WARN,des,blowfish,arcfour"
"KEX"="ecdh,dh-gex-sha1,dh-group14-sha1,rsa,WARN,dh-group1-sha1"
"HostKey"="ed25519,ecdsa,rsa,dsa,WARN"
"RekeyTime"=dword:0000003c
"GssapiRekey"=dword:00000002
"RekeyBytes"="1G"
"SshNoAuth"=dword:00000000
"SshBanner"=dword:00000001
"AuthTIS"=dword:00000000
"AuthKI"=dword:00000001
"AuthGSSAPI"=dword:00000001
"AuthGSSAPIKEX"=dword:00000001
"GSSLibs"="gssapi32,sspi,custom"
"GSSCustom"=""
"SshNoShell"=dword:00000000
"SshProt"=dword:00000003
"LogHost"=""
"SSH2DES"=dword:00000000
"PublicKeyFile"=""
"RemoteCommand"=""
"RFCEnviron"=dword:00000000
"PassiveTelnet"=dword:00000000
"BackspaceIsDelete"=dword:00000001
"RXVTHomeEnd"=dword:00000000
"LinuxFunctionKeys"=dword:00000000
"NoApplicationKeys"=dword:00000000
"NoApplicationCursors"=dword:00000000
"NoMouseReporting"=dword:00000000
"NoRemoteResize"=dword:00000000
"NoAltScreen"=dword:00000000
"NoRemoteWinTitle"=dword:00000000
"NoRemoteClearScroll"=dword:00000000
"RemoteQTitleAction"=dword:00000001
"NoDBackspace"=dword:00000000
"NoRemoteCharset"=dword:00000000
"ApplicationCursorKeys"=dword:00000000
"ApplicationKeypad"=dword:00000000
"NetHackKeypad"=dword:00000000
"AltF4"=dword:00000001
"AltSpace"=dword:00000000
"AltOnly"=dword:00000000
"ComposeKey"=dword:00000000
"CtrlAltKeys"=dword:00000001
"TelnetKey"=dword:00000000
"TelnetRet"=dword:00000001
"LocalEcho"=dword:00000002
"LocalEdit"=dword:00000002
"Answerback"="PuTTY"
"AlwaysOnTop"=dword:00000000
"FullScreenOnAltEnter"=dword:00000000
"HideMousePtr"=dword:00000000
"SunkenEdge"=dword:00000000
"WindowBorder"=dword:00000001
"CurType"=dword:00000000
"BlinkCur"=dword:00000000
"Beep"=dword:00000001
"BeepInd"=dword:00000000
"BellWaveFile"=""
"BellOverload"=dword:00000001
"BellOverloadN"=dword:00000005
"BellOverloadT"=dword:000007d0
"BellOverloadS"=dword:00001388
"ScrollbackLines"=dword:000007d0
"DECOriginMode"=dword:00000000
"AutoWrapMode"=dword:00000001
"LFImpliesCR"=dword:00000000
"CRImpliesLF"=dword:00000000
"DisableArabicShaping"=dword:00000000
"DisableBidi"=dword:00000000
"WinNameAlways"=dword:00000001
"WinTitle"=""
"TermWidth"=dword:00000050
"TermHeight"=dword:00000018
"Font"="Courier New"
"FontIsBold"=dword:00000000
"FontCharSet"=dword:00000000
"FontHeight"=dword:0000000a
"FontQuality"=dword:00000000
"FontVTMode"=dword:00000004
"UseSystemColours"=dword:00000000
"TryPalette"=dword:00000000
"ANSIColour"=dword:00000001
"Xterm256Colour"=dword:00000001
"TrueColour"=dword:00000001
"BoldAsColour"=dword:00000001
"Colour0"="187,187,187"
"Colour1"="255,255,255"
"Colour2"="0,0,0"
"Colour3"="85,85,85"
"Colour4"="0,0,0"
"Colour5"="0,255,0"
"Colour6"="0,0,0"
"Colour7"="85,85,85"
"Colour8"="187,0,0"
"Colour9"="255,85,85"
"Colour10"="0,187,0"
"Colour11"="85,255,85"
"Colour12"="187,187,0"
"Colour13"="255,255,85"
"Colour14"="0,0,187"
"Colour15"="85,85,255"
"Colour16"="187,0,187"
"Colour17"="255,85,255"
"Colour18"="0,187,187"
"Colour19"="85,255,255"
"Colour20"="187,187,187"
"Colour21"="255,255,255"
"RawCNP"=dword:00000000
"UTF8linedraw"=dword:00000000
"PasteRTF"=dword:00000000
"MouseIsXterm"=dword:00000000
"RectSelect"=dword:00000000
"PasteControls"=dword:00000000
"MouseOverride"=dword:00000001
"Wordness0"="0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0"
"Wordness32"="0,1,2,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1"
"Wordness64"="1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2"
"Wordness96"="1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1"
"Wordness128"="1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1"
"Wordness160"="1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1"
"Wordness192"="2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2"
"Wordness224"="2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2"
"MouseAutocopy"=dword:00000001
"MousePaste"="explicit"
"CtrlShiftIns"="explicit"
"CtrlShiftCV"="none"
"LineCodePage"=""
"CJKAmbigWide"=dword:00000000
"UTF8Override"=dword:00000001
"Printer"=""
"CapsLockCyr"=dword:00000000
"ScrollBar"=dword:00000001
"ScrollBarFullScreen"=dword:00000000
"ScrollOnKey"=dword:00000000
"ScrollOnDisp"=dword:00000001
"EraseToScrollback"=dword:00000001
"LockSize"=dword:00000000
"BCE"=dword:00000001
"BlinkText"=dword:00000000
"X11Forward"=dword:00000000
"X11Display"=""
"X11AuthType"=dword:00000001
"X11AuthFile"=""
"LocalPortAcceptAll"=dword:00000000
"RemotePortAcceptAll"=dword:00000000
"PortForwardings"="L49900=*********************:3306"
"BugIgnore1"=dword:00000000
"BugPlainPW1"=dword:00000000
"BugRSA1"=dword:00000000
"BugIgnore2"=dword:00000000
"BugHMAC2"=dword:00000000
"BugDeriveKey2"=dword:00000000
"BugRSAPad2"=dword:00000000
"BugPKSessID2"=dword:00000000
"BugRekey2"=dword:00000000
"BugMaxPkt2"=dword:00000000
"BugOldGex2"=dword:00000000
"BugWinadj"=dword:00000000
"BugChanReq"=dword:00000000
"StampUtmp"=dword:00000001
"LoginShell"=dword:00000001
"ScrollbarOnLeft"=dword:00000000
"BoldFont"=""
"BoldFontIsBold"=dword:00000000
"BoldFontCharSet"=dword:00000000
"BoldFontHeight"=dword:00000000
"WideFont"=""
"WideFontIsBold"=dword:00000000
"WideFontCharSet"=dword:00000000
"WideFontHeight"=dword:00000000
"WideBoldFont"=""
"WideBoldFontIsBold"=dword:00000000
"WideBoldFontCharSet"=dword:00000000
"WideBoldFontHeight"=dword:00000000
"ShadowBold"=dword:00000000
"ShadowBoldOffset"=dword:00000001
"SerialLine"="COM1"
"SerialSpeed"=dword:00002580
"SerialDataBits"=dword:00000008
"SerialStopHalfbits"=dword:00000002
"SerialParity"=dword:00000000
"SerialFlowControl"=dword:00000001
"WindowClass"=""
"ConnectionSharing"=dword:00000000
"ConnectionSharingUpstream"=dword:00000001
"ConnectionSharingDownstream"=dword:00000001
"SSHManualHostKeys"=""
    Run Code Online (Sandbox Code Playgroud)

Rob*_*ert 9

TCP 端口 49900 在为动态端口保留的端口范围（49152 到 65535）内。

您不应使用该范围内的端口打开服务。推荐的端口范围是从 1024 到 49151。

noS*_*oup 4

通过将本地端口更改为较低的端口（3307）解决了问题。不知道为什么它不能在台式机上使用端口 49900，而在笔记本电脑上却可以。

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