On Tue, Jul 19, 2011 at 8:01 AM, Sven-Hendrik Haase <sh@xxxxxxxxxxxxx>wrote: > On 07/19/2011 01:49 PM, David J. Haines wrote: > >> On Mon, Jul 18, 2011 at 8:57 PM, Daniel Hilst Selli >> <danielhilst@xxxxxxxxx>wrote: >> >> Em 18-07-2011 18:14, Sven-Hendrik Haase escreveu: >>> >>> On 07/18/2011 10:03 PM, David J. Haines wrote: >>> >>>> And yet, it doesn't touch on forwarding of anything other than X11 data. >>>>> >>>>> To answer the original question, you're missing the host you're trying >>>>> to >>>>> connect to, but I'll fill in the blanks >>>>> >>>>> ssh -L X:host1:Y host2 means open a connection to host2, including >>>>> shell, >>>>> and forward anything sent to localhost on port X to host1 on port Y. >>>>> Host1 >>>>> and host2 can be the same machine. This comes in useful for things like >>>>> forwarding VNC securely, e.g. ssh -L 60000:remotevncserver:5901 >>>>> remotevncserver and then connecting to the vncserver at localhost:60000 >>>>> >>>>> ssh -R X:host1:Y host2 means open a connection to host2, including >>>>> shell, >>>>> and then host2 should listen on port X for connections, which it will >>>>> then >>>>> send back to your local host, which will forward the connection on to >>>>> host1 >>>>> on port Y. >>>>> >>>>> In your example you're missing the host you're connecting to, but I can >>>>> tell >>>>> you that: >>>>> >>>>> ssh 192.168.1.200 >>>>> ssh -L 1000:192.168.1.100:2000 192.168.1.100 >>>>> >>>>> when you start from 192.168.1.100 is functionally equivalent to >>>>> >>>>> ssh -R 1000:192.168.1.100:2000 192.168.1.200 >>>>> >>>>> when you start from 192.168.1.100, in that both solutions will forward >>>>> a >>>>> connection from 192.168.1.200:1000 to 192.168.1.100:2000 (I didn't use >>>>> the >>>>> port 22 from your example, as that would imply that ssh wasn't running >>>>> there, so you'd need to use -p and other messiness). >>>>> >>>>> Hope this helps, >>>>> >>>>> David J. Haines >>>>> dhaines@xxxxxxxxx >>>>> >>>>> >>>>> On Mon, Jul 18, 2011 at 3:12 PM, Jeffrey Lynn Parke Jr.< >>>>> jeffrey.parke@xxxxxxxxx> wrote: >>>>> >>>>> On Mon, Jul 18, 2011 at 2:05 PM, Daniel.<danielhilst@xxxxxxxxx> >>>>> wrote: >>>>> >>>>>> I have some doubts about traffic forwarding >>>>>> >>>>>>> Supposing that my IP is 192.168.1.100 >>>>>>> and the remote is 192.168.1.200 >>>>>>> >>>>>>> is this -> ssh -R 1000:192.168.1.200:22 >>>>>>> the same as this: >>>>>>> ssh 192.168.1.200 >>>>>>> ssh -L 1000:192.168.1.100:22 >>>>>>> >>>>>>> >>>>>>> ??? >>>>>>> >>>>>>> -- >>>>>>> *"Do or do not. There is no try"* >>>>>>> * **Yoda Master* >>>>>>> >>>>>>> >>>>>>> You may want to read the wiki article for ssh. >>>>>> https://wiki.archlinux.org/****index.php/SSH<https://wiki.archlinux.org/**index.php/SSH> >>>>>> <https://wiki.**archlinux.org/index.php/SSH<https://wiki.archlinux.org/index.php/SSH> >>>>>> > >>>>>> >>>>>> >>>>>> It is very detailed. >>>>>> >>>>>> >>>>>> -- >>>>>> "Breath Deeply and Dream" >>>>>> >>>>>> Please put that in the SSH article! Also, please bottom post from now >>>>>> >>>>> on. >>>> >>>> -- Sven-Hendrik >>>> >>>> Thanks for all helping .. I got it.. I was using putty and that mess up >>> the >>> syntax up my head.. >>> >>> Thanks David, your explanation was really clarifying >>> >>> -- >>> "Do or do not... there is no try" Yoda Master >>> >>> My pleasure, and there's now a section on generic forwarding on the >> wiki, >> right beneath the X11 forwarding section. I also included a bit about >> acting >> as a forwarding gateway. >> >> David J. Haines >> dhaines@xxxxxxxxx >> > Your contribution to Arch World Domination Enterprises has been received > and a company associate has been dispatched to your location with champagne > and a party hat. > If it's to be as timely as is the current install ISO, I won't hold my breath. ;) David J. Haines dhaines@xxxxxxxxx
