1 files changed, 11 insertions, 3 deletions

diff --git a/plugins/check_by_ssh.c b/plugins/check_by_ssh.c
index 866044bd..7328f5ac 100644
--- a/plugins/check_by_ssh.c
+++ b/plugins/check_by_ssh.c
@@ -190,6 +190,8 @@ process_arguments (int argc, char **argv)
                 {"user", required_argument, 0, 'u'},
                 {"logname", required_argument, 0, 'l'},
                 {"command", required_argument, 0, 'C'},
+                {"proto1", no_argument, 0, '1'},
+                {"proto2", no_argument, 0, '2'},
                 {"use-ipv4", no_argument, 0, '4'},
                 {"use-ipv6", no_argument, 0, '6'},
                 {0, 0, 0, 0}
@@ -203,7 +205,7 @@ process_arguments (int argc, char **argv)
                         strcpy (argv[c], "-t");
 
         while (1) {
-                c = getopt_long (argc, argv, "Vvh46ft:H:O:p:i:u:l:C:n:s:", long_options,
+                c = getopt_long (argc, argv, "Vvh1246ft:H:O:p:i:u:l:C:n:s:", long_options,
                                                                          &option_index);
 
                 if (c == -1 || c == EOF)
@@ -261,8 +263,10 @@ process_arguments (int argc, char **argv)
                 case 'i':                                                                       /* identity */
                         asprintf (&comm, "%s -%c %s", comm, c, optarg);
                         break;
-                case '4':                                                                       /* Pass these switches directly to ssh */
-                case '6':                                                               /* -4 for IPv4, -6 for IPv6 */
+                case '1':                                                                       /* Pass these switches directly to ssh */
+                case '2':                                                                       /* 1 to force version 1, 2 to force version 2 */
+                case '4':                                                                       /* -4 for IPv4 */
+                case '6':                                                               /* -6 for IPv6 */
                 case 'f':                                                                       /* fork to background */
                         asprintf (&comm, "%s -%c", comm, c);
                         break;
@@ -357,6 +361,10 @@ print_help (const char *cmd)
                  "   list of nagios service names, separated by ':' [optional]\n"
                  "-n, --name=NAME\n"
                  "   short name of host in nagios configuration [optional]\n"
+                 "-1, --proto1\n"
+                 "   tell ssh to use Protocol 1\n"
+                 "-2, --proto2\n"
+                 "   tell ssh to use Protocol 2\n"
                  "-4, --use-ipv4\n"
                  "   tell ssh to use IPv4\n"
                  "-6, --use-ipv6\n"