From 309ea394cee673e38d706f315401e13b3be19562 Mon Sep 17 00:00:00 2001
From: Hua Liu <58683130+liuh-80@users.noreply.github.com>
Date: Sat, 19 Nov 2022 15:30:34 +0800
Subject: [PATCH] Revert SSHD config change. (#12729)

Revert SSHD config change.

#### Why I did it
Some test case and code may impact by SSHD config change.


#### How I did it
Revert following change in build_debian.sh script:
ClientAliveInterval change back to 900.
MaxAuthTries change back to default value.
Banner change to disabled.

#### How to verify it
Pass all E2E test case.

#### Which release branch to backport (provide reason below if selected)

<!--
- Note we only backport fixes to a release branch, *not* features!
- Please also provide a reason for the backporting below.
- e.g.
- [x] 202006
-->

- [ ] 201811
- [ ] 201911
- [ ] 202006
- [ ] 202012
- [ ] 202106
- [ ] 202111
- [ ] 202205

#### Description for the changelog
Revert SSHD config change.

#### Link to config_db schema for YANG module changes
<!--
Provide a link to config_db schema for the table for which YANG model
is defined
Link should point to correct section on https://github.com/Azure/sonic-buildimage/blob/master/src/sonic-yang-models/doc/Configuration.md
-->

#### A picture of a cute animal (not mandatory but encouraged)
---
 build_debian.sh | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/build_debian.sh b/build_debian.sh
index c4d748ac4d..3d34f8f29c 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -468,16 +468,12 @@ 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 300
+set /files/etc/ssh/sshd_config/ClientAliveInterval 900
 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 5 minutes"
-rm /files/etc/ssh/sshd_config/MaxAuthTries
-set /files/etc/ssh/sshd_config/MaxAuthTries 3
+set /files/etc/ssh/sshd_config/#comment[following-sibling::*[1][self::ClientAliveInterval]] "Close inactive client sessions after 15 minutes"
 rm /files/etc/ssh/sshd_config/LogLevel
 set /files/etc/ssh/sshd_config/LogLevel VERBOSE
-rm /files/etc/ssh/sshd_config/Banner
-set /files/etc/ssh/sshd_config/Banner /etc/issue
 save
 quit
 EOF