Event Log and host key dialog boxes, i.e. sixteen 2-digit hex numbers
separated by colons.
-\b A base64-encoded blob describing an SSH-2 public key in the
-standard way. This can be found in OpenSSH's one-line public key
-format, or by concatenating all the lines of the public key section in
-one of PuTTY's \cw{.ppk} files. Alternatively, you can load a key into
-PuTTYgen, and paste out the OpenSSH-format public key line it
-displays.
+\b A base64-encoded blob describing an SSH-2 public key in
+OpenSSH's one-line public key format. How you acquire a public key in
+this format is server-dependent; on an OpenSSH server it can typically
+be found in a location like \c{/etc/ssh/ssh_host_rsa_key.pub}.
If this box contains at least one host key or fingerprint when PuTTY
makes an SSH connection, then PuTTY's automated host key management is
by a colon, in the \q{Destination} box. Connections received on the
source port will be directed to this destination. For example, to
connect to a POP-3 server, you might enter
-\c{popserver.example.com:110}.
+\c{popserver.example.com:110}. (If you need to enter a literal
+\i{IPv6 address}, enclose it in square brackets, for instance
+\cq{[::1]:2200}.)
\b Click the \q{Add} button. Your forwarding details should appear
in the list box.