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Now that it's possible for a single invocation of PuTTY to connect to multiple SSH servers (jump host followed by ultimate destination host), it's rather unhelpful for host key prompts to just say "the server". To check an unknown host key, users will need to know _which_ host it's purporting to be the key for. Another possibility is to put a message in the terminal window indicating which server we're currently in the SSH setup phase for. That will certainly be what we have to end up doing for userpass prompts that appear _in_ the terminal window. But that by itself is still unhelpful for host key prompts in a separate dialog, because the user would have to check both windows to get all the information they need. Easier if the host key dialog itself tells you everything you need to know to answer the question: is _this_ key the one you expect for _that_ host?
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.