1 files changed, 19 insertions, 12 deletions

diff --git a/clientloop.c b/clientloop.c
index ef97859f1..337f47c09 100644
--- a/clientloop.c
+++ b/clientloop.c
@@ -547,16 +547,21 @@ client_global_request_reply(int type, u_int32_t seq, void *ctxt)
 static void
 server_alive_check(void)
 {
-        if (packet_inc_alive_timeouts() > options.server_alive_count_max) {
-                logit("Timeout, server not responding.");
-                cleanup_exit(255);
+        if (compat20) {
+                if (packet_inc_alive_timeouts() > options.server_alive_count_max) {
+                        logit("Timeout, server not responding.");
+                        cleanup_exit(255);
+                }
+                packet_start(SSH2_MSG_GLOBAL_REQUEST);
+                packet_put_cstring("keepalive@openssh.com");
+                packet_put_char(1);     /* boolean: want reply */
+                packet_send();
+                /* Insert an empty placeholder to maintain ordering */
+                client_register_global_confirm(NULL, NULL);
+        } else {
+                packet_send_ignore(0);
+                packet_send();
         }
-        packet_start(SSH2_MSG_GLOBAL_REQUEST);
-        packet_put_cstring("keepalive@openssh.com");
-        packet_put_char(1);     /* boolean: want reply */
-        packet_send();
-        /* Insert an empty placeholder to maintain ordering */
-        client_register_global_confirm(NULL, NULL);
 }
 
 /*
@@ -616,7 +621,7 @@ client_wait_until_can_do_something(fd_set **readsetp, fd_set **writesetp,
          */
 
         timeout_secs = INT_MAX; /* we use INT_MAX to mean no timeout */
-        if (options.server_alive_interval > 0 && compat20)
+        if (options.server_alive_interval > 0)
                 timeout_secs = options.server_alive_interval;
         set_control_persist_exit_time();
         if (control_persist_exit_time > 0) {
@@ -1589,8 +1594,10 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
                 exit_status = 0;
         }
 
-        if (received_signal)
-                fatal("Killed by signal %d.", (int) received_signal);
+        if (received_signal) {
+                debug("Killed by signal %d.", (int) received_signal);
+                cleanup_exit((int) received_signal + 128);
+        }
 
         /*
          * In interactive mode (with pseudo tty) display a message indicating