[Shell script] 偵測remote host tcp port 是否有開啟

PORT=1186

SERVER=mgt

 

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ck_mgt()

{

l_TELNET=`echo "quit" | telnet $SERVER $PORT | grep "Escape character is"`

if [ "$?" -ne 0 ]; then

  echo "Connection to $SERVER on port $PORT failed"

  exit 1

else

  echo "Connection to $SERVER on port $PORT succeeded"

fi

}

ck_mgt

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