So Alice returned from wonderland to her dark and unsecure world, without sendig Bob the awaited postcard, that may be a big deal for their friendship, unless Alice keep with her an ssh access to the wonderland:

ssh alice@wonderland -L [<alice-bind-addr>:]<alice-port>:<bob>:<bob-port>

forward-in-tunnel That will please Alice for a while since if her postcard is sent out from the <alice-port> it’s gonna be forwarded to wonderland over a (supposed) secure channel and then sent to Bob, but blues is aroud the corner because she’s now used to be carefree using her unsecure application protocol from wonderland and she doesn’t want to set up forwarding for each of her friends. Anyway, she may be fine using ssh as a SOCKS server reached over the secure channel with:

ssh alice@wonderland -D [<alice-bind-address>:]<alice-port>





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