diff --git a/build_debian.sh b/build_debian.sh
index 8a0d0be3922a..c507275d111d 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -484,10 +484,14 @@ rm /files/etc/ssh/sshd_config/ClientAliveInterval
 rm /files/etc/ssh/sshd_config/ClientAliveCountMax
 touch /files/etc/ssh/sshd_config/EmptyLineHack
 rename /files/etc/ssh/sshd_config/EmptyLineHack ""
-set /files/etc/ssh/sshd_config/ClientAliveInterval 900
+set /files/etc/ssh/sshd_config/ClientAliveInterval 300
 set /files/etc/ssh/sshd_config/ClientAliveCountMax 0
 ins #comment before /files/etc/ssh/sshd_config/ClientAliveInterval
-set /files/etc/ssh/sshd_config/#comment[following-sibling::*[1][self::ClientAliveInterval]] "Close inactive client sessions after 15 minutes"
+set /files/etc/ssh/sshd_config/#comment[following-sibling::*[1][self::ClientAliveInterval]] "Close inactive client sessions after 5 minutes"
+rm /files/etc/ssh/sshd_config/MaxAuthTries
+set /files/etc/ssh/sshd_config/MaxAuthTries 3
+rm /files/etc/ssh/sshd_config/Banner
+set /files/etc/ssh/sshd_config/Banner /etc/issue
 rm /files/etc/ssh/sshd_config/LogLevel
 set /files/etc/ssh/sshd_config/LogLevel VERBOSE
 save