+\c -1 -2 force use of particular SSH protocol version
+\c -4 -6 force use of IPv4 or IPv6
+\c -C enable compression
+\c -i key private key file for user authentication
+\c -noagent disable use of Pageant
+\c -agent enable use of Pageant
+\c -hostkey aa:bb:cc:...
+\c manually specify a host key (may be repeated)
+\c -batch disable all interactive prompts
+\c -unsafe allow server-side wildcards (DANGEROUS)
+\c -sftp force use of SFTP protocol
+\c -scp force use of SCP protocol
+\c -sshlog file
+\c -sshrawlog file
+\c log protocol details to a file