From 845b012e722d6d2ebe99cb42a153040fc341626d Mon Sep 17 00:00:00 2001
From: LouisFonda <yigencong@yahoo.com>
Date: Sun, 14 Jul 2024 13:39:01 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E9=BB=98=E8=AE=A4=E7=AB=AF=E5=8F=A3?=
 =?UTF-8?q?=E6=9C=8D=E5=8A=A1=E6=A3=80=E6=B5=8B=E8=84=9A=E6=9C=AC?=
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---
 tutorials/basic/12-port-check.sh | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tutorials/basic/12-port-check.sh

diff --git a/tutorials/basic/12-port-check.sh b/tutorials/basic/12-port-check.sh
new file mode 100644
index 0000000..d8a8903
--- /dev/null
+++ b/tutorials/basic/12-port-check.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+#Program:
+# 检查机器的开放服务，比如Http服务(80), https服务(443)，ssh服务(22)，邮箱服务(25)
+#History:
+# 2024/07/14 LouisFonda<yigencong@yahoo.com>
+
+testfile=/dev/shm/netstat_checking.txt # 保存端口信息到内存
+netstat -tunl > ${testfile}
+
+echo -e "本机开通了如下服务"
+
+testing=$(grep ":80" ${testfile})
+if [ "${testing}" != "" ]; then
+  echo "http服务"
+fi
+testing=$(grep ":443" ${testfile})
+if [ "${testing}" != "" ]; then
+  echo "https服务"
+fi
+testing=$(grep ":22" ${testfile})
+if [ "${testing}" != "" ]; then
+  echo "ssh服务"
+fi
+testing=$(grep ":25" ${testfile})
+if [ "${testing}" != "" ]; then
+  echo "email服务"
+fi
\ No newline at end of file