Haddii aad ku xidhidhayso miisamka fog adoo isticmaalaya borotokoolka Virtual Network Computing ( VNC ), xidhiidhkaagu waxa laga yaabaa in aanu amaan ahayn. Qaar ka mid ah macaamiisha VNC , sida kan caanka ah ee ^(VNC)TightVNC , ha qarin xidhiidhkaaga wixii ka dambeeya marxaladda soo gelista hore. Si aad u xalliso dhibaatada, waxaad tunnelka VNC ka dul mari kartaa tunnel Sugan Shell^{(Secure Shell)} ( SSH ).

Ma aha oo kaliya tunnel-ka SSH wuxuu bixiyaa xiriir gebi ahaanba ammaan ah VNC , laakiin sidoo kale wuxuu kuu ogolaanayaa inaad isticmaasho isku xirka VNC marka dekedda caadiga ah ee VNC (dekedda 5901) la xannibo. Qaar ka mid ah shabakadaha shirkadaha ayaa xannibi doona dekedaha la wadaago sida dekedda 5901 si ay u helaan ammaan dheeraad ah, markaa tunnel VNC ee SSH waxay kuu ogolaaneysaa inaad ka gudubto dhibaatadan. 

Dejinta Putty^{(Setting Up PuTTY)}

Windows 10 waxay leedahay macmiil SSH ah oo ku dhex dhisan, taas oo ay ugu wacan tahay ^(SSH)Windows PowerShell , laakiin tani waa uun horumar dhow. Haddii aad rabto inaad ogaato sida tunnel VNC loo maro SSH , waxaa lagugula talinayaa inaad isticmaasho PuTTY si aad u samayso xidhiidhka server- kaaga SSH .

PuTTY waxay soo bandhigaysaa isticmaale garaaf ahaan si fudud loo habayn karo si uu kuu ogolaado inaad tunnel software kale, sida daawahaaga VNC^(VNC) , ee xidhiidhka. Si ay tani u shaqeyso, waxaad u baahan doontaa inaad haysato server SSH ku habboon oo lagu rakibay kombayutarka fog ee kombayutarka ama serverka aad raadinayso inaad ku xidho in ka badan VNC .

• Si aad u bilowdo, soo deji PutTY^(PuTTY) oo fur macmiilka. 
• Liiska fadhiga^{(Session )} ugu weyn wuxuu kuu ogolaanayaa inaad ku qorto server-kaaga IP-ga ama magaca martida. Ku qor ciwaanka SSH ee sanduuqa qoraalka ^(SSH)Magaca martida loo yahay (ama cinwaanka IP)^{(Host Name (or IP address))} . Haddii dekeddaada SSH ay ka duwan tahay kan caadiga ah ee 22, ku qor kan sanduuqa ^(SSH)Dekedda^(Port) . 
• Waxa kale oo aad u baahan doontaa inaad kaydiso casharkan, sidaa darteed sanduuqa qoraalka ee Fadhiyada kaydsan^{(Saved Sessions)} , ku dar magac ku habboon xidhiidhkaaga SSH , ka dibna riix badhanka Save .

• Liiska gacanta bidix, balaadhi Connection tab, ka dibna sidaas oo kale u samee SSH . Riix Tunnels .

• Qaybta gudbinta dekedda^{(Port forwarding)} ee menu Tunnels , waxaad bixin doontaa faahfaahinta si aad ugu ogolaato PuTTY inuu tunnel kaaga VNC xidhiidhka SSH . Sanduuqa qoraalka Source port , ku qor 5901. Sanduuqa qoraalka Destination , ku qor cinwaankaaga fog ee IP:5901^{(remote IP address:5901)} , adoo isticmaalaya ciwaanka IP-ga ee kombayutarka fogfog ama serverka . Tusaale ahaan, 192.168.1.100:5901 ayaa ku habboonaan lahayd.

• Ku soo laabo qaybta^(Session) casharka, dhagsii magaca fadhigaaga kaydsan ee hoos yimaada Fadhiyada la kaydiyay^{(Saved Sessions)} , dabadeed dhagsii Save si aad u kaydsato goobahaaga.

• Iyada oo goobaha PuTTY ay diyaar yihiin, samee xidhiidhka SSH adiga oo gujinaya Fur^(Open) xagga hoose. Waxaa lagaaga baahan doonaa inaad geliso magaca isticmaale iyo erayga sirta ah ee looga baahan yahay si aad u samayso xidhiidhkaaga SSH sida uu PuTTY isku dayo u sameeyo.

• Marka habka galitaanka la dhammeeyo, waxaa lagu siin doonaa marin u helka daaqada terminalka SSH ee desktop-kaaga fog.

Iyada oo tunnelka SSH ee server-kaaga fog fog uu firfircoon yahay, waxaad hadda awoodi doontaa inaad samayso xidhiidh VNC ah. Waxaad isticmaali kartaa macmiil kasta oo VNC ah oo aad doorato, laakiin hagahan waxa uu dhex mari doonaa sida loo xidho addoo isticmaalaya TightVNC , oo ah macmiil VNC caan ah oo bilaash ah Windows iyo Linux .

Waxaad yareeyn kartaa Putty inta uu xiriirku firfircoon yahay.

Isku xirka Isticmaalka TightVNC^{(Connecting Using TightVNC)}

Haddii xidhiidhkaaga SSH uu firfircoon yahay, isku xidhka addoo isticmaalaya TightVNC waa wax fudud. Tani waxay u qaadanaysaa in server-kaaga VNC uu ku shaqaynayo PC-gaaga fog ama seerfarkaaga.

• Fur TightVNC si aad u bilowdo. Qaybta Xidhiidhka^(Connection) , ku qor localhost :: 5901 ama 127.0.0.1^{(127.0.0.1::5901)} :: 5901 gal sanduuqa qoraalka ee martida fog . ^{(Remote Host)}PuTTY waxa uu la socdaa dekeddan oo si toos ah ayuu xidhiidhkan ugu gudbin doonaa, marka la isku dayo, seerfarkaaga fog. 
• Waxaad sii habayn kartaa xidhiidhkaaga VNC adigoo gujinaya Options laakiin, haddii aad diyaar u tahay inaad ku xidho, dhagsii Connect . 

• Waxaa lagu waydiin doonaa eraygaaga sirta ah ee VNC server-ka, markaa ku bixi tan daaqadda soo-bandhigidda ee Xaqiijinta VNC^{(VNC Authentication)} , dabadeed dhagsii OK .

Haddii xidhiidhkaaga SSH uu si sax ah u shaqeeyo, TightVNC waa in ay ku shubtaa daaqada fog ee VNC , diyaar u ah inaad isticmaasho. 

Macaamiisha SSH oo leh Taageerada Tunneling^{(SSH Clients With Tunneling Support)}

Halka TightVNC uu yahay macmiil Windows caan ah oo loogu talagalay isku xirka VNC , ma taageerto tunnelka SSH^(SSH) gudaha macmiilka laftiisa, taas oo u baahan inaad isticmaasho PuTTY si aad u samayso xidhiidhka.

Macaamiisha VNC ee kale , si kastaba ha ahaatee, waxa ku jira tunnelka SSH^(SSH) ee macmiilka laftiisa. Mid ka mid ah tusaale ahaan waa SSVNC kaas oo, iyada oo aasaasi ah, uu hoos marin doono SSH ka hor inta aan la samayn xidhiidhka VNC . SSVNC waxa taageera nidaamyada hawlgalka ee Windows iyo Linux .

• Fur macmiilka SSVNC oo, gudaha daaqadda macmiilka ee SSVNC , buuxi meelaha loo baahan yahay. Hoosta VNC Host: Bandhiga^{(VNC Host:Display)} , ku qor SSHusername@remoteIPaddress:1. Ku beddel magaca isticmaalaha SSH^{(SSHusername)} magaca isticmaale ee aad u isticmaali lahayd xidhiidhkaaga SSH , oo ku beddel remoteIPaddresska^{(remoteIPaddress)} ciwaanka IP-ga ee fogfog. Tusaale ahaan, [email protected]:1.
• Hubi inaad dooratid Isticmaalka SSH^{(Use SSH)} ama SSL+SSL ka hor inta aanad ku xidhin. Markaad diyaar noqoto, dhagsii badhanka Connect .

• Waxaa lagu waydiin doonaa eraygaaga sirta ah ee SSH daaqadda soo baxday. ^(SSH)Bixi eraygaaga sirta ah, ka dibna taabo geli kiiboodhkaaga.

Marka tunnelka SSH uu shaqeyo, xiriirkaaga ^(SSH)VNC ayaa bilaaban doona, oo daaqada macmiilka ee VNC waa in uu soo muuqdaa, halkaas oo aad ka bilaabi karto isticmaalka miisaska fog. 

Halka xidhiidhada VNC -da aan si caadi ah loo qarin, Microsoft Protocol-ka Fog ee Protocol- keeda waa la^(is) siray. Haddii aad ku shaqeyneyso Windows oo aad qorsheyneyso inaad ku xirto kombuyutarka fog ee Windows ama server, waxaad ku xiri kartaa adiga oo isticmaalaya Qalabka Xiriirinta Masaafada Fog^{(Remote Desktop Connection)} .

How to Tunnel VNC over SSH

If you’re connecting to a remote desktop using the Virtual Network Computing (VNC) protocol, your connеction might not bе secure. Some VNC clients, like the populаr TightVNC, don’t encrypt your connection beyond the initial sign-in stage. To get around the problem, you can tunnel a VNC connection over a Secure Shell (SSH) tunnel.

Not only does an SSH tunnel provide an entirely secure connection for VNC, but it also allows you to use VNC connections when the typical VNC port (port 5901) is blocked. Some corporate networks will block common ports like port 5901 for extra security, so tunneling VNC over SSH would allow you to get around this problem. 

Setting Up PuTTY

Windows 10 does have an SSH client built-in, thanks to the Windows PowerShell, but this is only a recent development. If you want to know how to tunnel VNC through SSH, it’s recommended you use PuTTY to make the connection to your SSH server.

PuTTY offers a graphical user interface that can easily be configured to allow you to tunnel other software, like your VNC viewer, over the connection. For this to work, you’ll need to have a suitable SSH server installed on the remote desktop PC or server you’re looking to connect to over VNC.

• To start, download PuTTY and open the client. 
• The main Session menu allows you to type your server IP address or hostname. Type your SSH server address in the Host Name (or IP address) text box. If your SSH port is different from the standard port 22, type this in the Port box. 
• You’ll also want to save this session, so in the Saved Sessions text box, add a suitable name for your SSH connection, then click the Save button.

• In the left-hand menu, expand the Connection tab, then do the same for the SSH. Click on Tunnels.

• In the Port forwarding section of the Tunnels menu, you’ll be providing the details to allow PuTTY to tunnel your VNC connection over SSH. In the Source port text box, type 5901. In the Destination text box, type your remote IP address:5901, using the IP address of the remote desktop PC or server. For instance, 192.168.1.100:5901 would be suitable.

• Return to the Session section, click on your saved session name under Saved Sessions, then click Save to save your settings.

• With your PuTTY settings ready, make the SSH connection by clicking Open at the bottom. You’ll be required to insert the username and password required to make your SSH connection as PuTTY makes the attempt.

• Once the login process is complete, you’ll be given access to the SSH terminal window for your remote desktop.

With the SSH tunnel to your remote desktop server active, you’ll now be able to make a VNC connection. You can use any VNC client you choose, but this guide will run through how to connect using TightVNC, a popular and free VNC client for Windows and Linux.

You can minimize PuTTY while the connection is active.

Connecting Using TightVNC

If your SSH connection is active, connecting using TightVNC is pretty simple. This assumes that your VNC server is running on your remote PC or server.

• Open TightVNC to begin. In the Connection section, type localhost::5901 or 127.0.0.1::5901 into the Remote Host text box. PuTTY is monitoring this port and will automatically forward this connection, when the attempt is made, to your remote server. 
• You can configure your VNC connection further by clicking Options but, if you’re ready to connect, click Connect. 

• You’ll be asked for your VNC server password, so provide this in the VNC Authentication pop-up window, then click OK.

If your SSH connection is working correctly, TightVNC should load your remote VNC desktop window, ready for you to use. 

SSH Clients With Tunneling Support

While TightVNC is a popular Windows client for VNC connections, it doesn’t support SSH tunneling within the client itself, requiring you to use PuTTY to make the connection.

Other VNC clients, however, do include SSH tunneling within the client itself. One example is SSVNC which, while basic, will tunnel over SSH before making a VNC connection. SSVNC is supported by Windows and Linux operating systems.

• Open the SSVNC client and, within the main SSVNC client window, fill in the required fields. Under VNC Host:Display, type SSHusername@remoteIPaddress:1. Replace SSHusername with the username you’d use for your SSH connection, and replace remoteIPaddress with your remote desktop IP address. For example, [email protected]:1.
• Make sure you select the Use SSH or SSL+SSL option before you connect. When you’re ready, click the Connect button.

• You’ll be asked for your SSH password in a pop-up terminal window. Provide your password, then press enter on your keyboard.

Once the SSH tunnel is active, your VNC connection will begin, and your VNC client window should appear, where you can begin using your remote desktop. 

While VNC connections aren’t encrypted by default, Microsoft’s own Remote Desktop Protocol is encrypted. If you’re running Windows and you’re planning on connecting to a remote Windows PC or server, you can connect using the Remote Desktop Connection tool instead.

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