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> >>>> >>>> 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
