\k{config-ssh-bug-ignore1} and possibly \k{config-ssh-bug-plainpw1}.
\H{errors-crc} \q{Incorrect \i{CRC} received on packet} or \q{Incorrect
-MAC received on packet}
+\i{MAC} received on packet}
This error occurs when PuTTY decrypts an SSH packet and its checksum
is not correct. This probably means something has gone wrong in the
\IM{ignore message} SSH \q{ignore} messages
\IM{ignore message} \q{ignore} messages, in SSH
-\IM{message authentication code} message authentication code
-\IM{message authentication code} MAC (message authentication code)
+\IM{message authentication code}{MAC} message authentication code (MAC)
+\IM{message authentication code}{MAC} MAC (message authentication code)
\IM{signatures} signature
\IM{signatures} digital signature