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This is a simple tweak to the existing in-process SSH jump host support, where instead of opening a direct-tcpip channel to the destination host, we open a session channel and run a process in it to make the connection to the destination. So, where the existing jump host support replaced a local proxy command along the lines of "plink %proxyhost -nc %host %port", this one replaces "plink %proxyhost run-some-command". Also added a corresponding option to use a subsystem to make the connection. (Someone could configure an SSH server to support specific subsystem names for particular destinations, or a general schema of subsystem names that include the destination address in some standard format.) To avoid overflowing the already-full Proxy config panel with an extra subtype selector, I've put these in as additional top-level proxy types, so that instead of just PROXY_SSH we now have three PROXY_SSH_foo.
This is the README for PuTTY, a free Windows and Unix Telnet and SSH
client.
PuTTY is built using CMake <https://cmake.org/>. To compile in the
simplest way (on any of Linux, Windows or Mac), run these commands in
the source directory:
cmake .
cmake --build .
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory using `doc/Makefile'. If you aren't using one of our
source snapshots, you'll need to do this yourself. Halibut can be
found at <https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.
The PuTTY home web site is
https://www.chiark.greenend.org.uk/~sgtatham/putty/
If you want to send bug reports or feature requests, please read the
Feedback section of the web site before doing so. Sending one-line
reports saying `it doesn't work' will waste your time as much as
ours.
See the file LICENCE for the licence conditions.