Libro de Visitas

Haroldatoke

02 May 2025 - 08:58 am

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Jasonoxymn

02 May 2025 - 07:28 am

download # **Free Subnet Scanner for Windows: Find Vulnerabilities and Customize Your Tool** ## **Introduction** Network security is a critical concern for IT professionals, and identifying vulnerabilities within a subnet is a fundamental step in securing an infrastructure. A **subnet scanner** is a powerful tool that helps detect live hosts, open ports, and potential security weaknesses in a network. For Windows users, finding a **free, customizable subnet scanner** that also identifies vulnerabilities can be challenging. This article explores a **free subnet scanner for Windows**, its capabilities, and how you can further develop it to suit your needs. ## **Why Use a Subnet Scanner?** A subnet scanner automates the process of discovering active devices, services, and security gaps within a network. Key benefits include: - **Network Discovery** – Quickly identifies all connected devices. - **Vulnerability Detection** – Scans for outdated services, open ports, and misconfigurations. - **Security Auditing** – Helps in penetration testing and compliance checks. - **Customization** – Open-source tools allow modifications for specific needs. ## **Top Free Subnet Scanner for Windows** Several free tools can scan subnets and detect vulnerabilities on Windows. One of the most reliable options is **Advanced IP Scanner** by Famatech. ### **Features of Advanced IP Scanner** - **Fast Network Scanning** – Detects all devices in a subnet. - **Port Scanning** – Identifies open ports and running services. - **Remote Access** – Supports RDP and SSH connections. - **Exportable Reports** – Saves scan results in CSV or HTML format. Another powerful open-source alternative is **Nmap (Network Mapper)**, which offers deep vulnerability scanning with scripting capabilities. ### **Using Nmap for Vulnerability Scanning** Nmap is a command-line tool but has a GUI version called **Zenmap** for Windows. Key features: - **Host Discovery** – Finds live hosts in a subnet. - **Service Detection** – Identifies running services and versions. - **Vulnerability Scripting** – Uses NSE (Nmap Scripting Engine) to detect flaws. - **Custom Scans** – Allows advanced filtering and reporting. ## **How to Develop Your Own Subnet Scanner** If you want to **build or modify** a subnet scanner, consider using Python with libraries like: - **Scapy** – For packet manipulation and network scanning. - **Socket** – For port scanning and service detection. - **Nmap-Python** – Integrates Nmap into Python scripts. ### **Example: Simple Subnet Scanner in Python** ```python import scapy.all as scapy def scan_subnet(ip_range): arp_request = scapy.ARP(pdst=ip_range) broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff") arp_request_broadcast = broadcast / arp_request answered = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0] devices = [] for element in answered: devices.append("ip": element[1].psrc, "mac": element[1].hwsrc) return devices print(scan_subnet("192.168.1.1/24")) ``` This script detects live hosts in a subnet using ARP requests. ## **Conclusion** A **free subnet scanner for Windows** like **Advanced IP Scanner** or **Nmap** can efficiently detect vulnerabilities and improve network security. For developers, building a custom scanner using Python provides flexibility and deeper control. Whether you use an existing tool or develop your own, regular subnet scanning is essential for maintaining a secure network environment. Would you like recommendations for additional tools or deeper scripting examples? Let us know in the comments!

Cryptovistajoice

02 May 2025 - 03:13 am

¿Hasta qué punto la calidad del sistema de tierra puede influir en la sostenibilidad y eficiencia de un grupo industrial? Considerando la creciente presión por parte de regulaciones ambientales, ¿cómo podrían las innovaciones en sistemas de tierra cambiar la narrativa sobre la responsabilidad empresarial en el sector industrial?

Freddieaxoma

02 May 2025 - 02:41 am

Some scientists believe that fatty acids such as decanoic acid and dodecanoic acid formed the membranes of the first simple cell-like structures on Earth, Pearce said.
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“(This is) the closest we’ve come to detecting a major biomolecule-related signal — something potentially tied to membrane structure, which is a key feature of life,” Pearce said via email. “Organics on their own are intriguing, but not evidence of life. In contrast, biomolecules like membranes, amino acids, nucleotides, and sugars are central components of biology as we know it, and finding any of them would be groundbreaking (we haven’t yet).”
Returning samples from Mars
The European Space Agency plans to launch its ExoMars Rosalind Franklin rover to the red planet in 2028, and the robotic explorer will carry a complementary instrument to SAM. The rover LS6 will have the capability to drill up to 6.5 feet (2 meters) beneath the Martian surface — and perhaps find larger and better-preserved organic molecules.

While Curiosity’s samples can’t be studied on Earth, the Perseverance rover has actively been collecting samples from Jezero Crater, the site of an ancient lake and river delta, all with the intention of returning them to Earth in the 2030s via a complicated symphony of missions called Mars Sample Return.
Both rovers have detected a variety of organic carbon molecules in different regions on Mars, suggesting that organic carbon is common on the red planet, Williams said.

While Curiosity and Perseverance have proven they can detect organic matter, their instruments can’t definitively determine all the answers about their origins, said Dr. Ashley Murphy, postdoctoral research scientist at the Planetary Science Institute. Murphy, who along with Williams previously studied organics identified by Perseverance, was not involved in the new research.

“To appropriately probe the biosignature question, these samples require high-resolution and high-sensitivity analyses in terrestrial labs, which can be facilitated by the return of these samples to Earth,” Murphy said.

Edwardscons

02 May 2025 - 02:30 am

New design revealed for Airbus hydrogen plane
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In travel news this week: Bhutan’s spectacular new airport, the world’s first 3D-printed train station has been built in Japan, plus new designs for Airbus’ zero-emission aircraft and France’s next-generation high-speed trains.

Grand designs
European aerospace giant Airbus has revealed a new design for its upcoming fully electric, hydrogen-powered ZEROe aircraft. powered by hydrogen fuel cells.

The single-aisle plane now has four engines, rather than six, each powered by their own fuel cell stack.

The reworked design comes after the news that the ZEROe will be in our skies later than Airbus hoped.

The plan was to launch a zero-emission aircraft by 2035, but now the next-generation single-aisle aircraft is slated to enter service in the second half of the 2030s.

Over in Asia, the Himalayan country of Bhutan is building a gloriously Zen-like new airport befitting a nation with its very own happiness index.

Gelephu International is designed to serve a brand new “mindfulness city,” planned for southern Bhutan, near its border with India.

In rail travel, Japan has just built the world’s first 3D-printed train station, which took just two and a half hours to construct, according to The Japan Times. That’s even shorter than the whizzy six hours it was projected to take.

France’s high-speed TGV rail service has revealed its next generation of trains, which will be capable of reaching speeds of up to 320 kilometers an hour (nearly 200 mph).

The stylish interiors have been causing a stir online, as has the double-decker dining car.

Finally, work is underway in London on turning a mile-long series of secret World War II tunnels under a tube station into a major new tourist attraction. CNN took a look inside.

Kennethjar

02 May 2025 - 01:39 am

Of course, he said yes to coming back to the series, which eventually required him to live in Italy for a few months for filming.
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During production, White revealed to Gries that Greg is “very sinister.” That became rather irrefutable by the season’s climax, which saw Tanya’s demise orchestrated by her now-husband.

Come Season 3, Gries had to rewrite Greg’s backstory again, this time drawing from some unlikely sources for inspiration, like HBO docuseries “The Jinx,” about late convicted killer Robert Durst, and the case involving the man who came to be known as the Tinder Swindler.

Gries said he was struck by Durst’s “kind of seemingly even keel personality,” which served as a model for where Greg was headed, someone “who doesn’t really show a great deal of emotion, doesn’t seem to get too angry, just gets a little bit irritated and is dangerous.”

“There’s a bridled rage underneath. And those kind of people I find – at least with respect to Gary, Greg, Gary – fascinating,” he said.

And yet, while searching for an empathetic way back to portraying his character, Gries kept wondering if there was anything still redeeming about Greg.
An important “wake up moment” came during a decisive conversation he had with White just before filming in Thailand, in which the show’s creator said of Greg, in no uncertain terms: “He’s a psychopath.”

“And that was it. It was like, ‘back to the drawing board.’ And it really did help me,” Gries said.

The penultimate episode of the series will air on Sunday, an evening that thanks to “Lotus” and other shows has again become a night of appointment viewing amid a general move away from binge watching. Gries said he appreciates the shift.

“We’re a society that in a weird way doesn’t understand the beauty of waiting. The beauty of the space between the notes,” he shared. “If I binged (‘White Lotus’) I’d feel like I just ate too many chocolates. It just wouldn’t be the same. You need to process this.”

“The White Lotus” airs Sundays at 9 p.m. EDT on HBO, with the episode available to stream on Max. HBO and Max, like CNN, are owned by the same parent company, Warner Bros. Discovery.

Danieleffot

02 May 2025 - 01:00 am

‘White Lotus’ villain Jon Gries reveals the true crimes that inspired his twisty take on Greg/Gary
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When Season 3 of “The White Lotus” premiered last month, the shock was palpable when returning character Belinda recognized a familiar face at the resort in Thailand: Greg Hunt, the wily suitor of the late Tanya McQuoid.

As the season has unfolded, Greg (played by Jon Gries) has emerged as an antagonist, particularly after Belinda dove into the investigation surrounding Tanya’s death and learned that Greg, who now goes by Gary, evaded questioning by authorities.

On a show famous for reinventing itself, the same has been asked of the actor, who says that playing the ever-shifting character has been a welcome challenge and, like “White Lotus” itself, full of twists.

“In the beginning, I totally played him for a guy who was, you know, on his last legs,” Gries said in a recent interview with CNN, referencing Greg’s very apparent ill health in the first season of “White Lotus,” which premiered to rave reviews in summer 2021. He added: “When you play a character, you want to find his empathetic side, and you want to understand where they came from, and what got them to where they are.”

But when he was contacted by creator Mike White about appearing in Season 2, Gries realized he would have to adjust his framing of Greg, despite having previously imagined a “comprehensive history” for him on his own.

“(White) said, ‘I’m writing it right now, and I’m writing you, and I just need to know here and now: If you’re in, I’ll continue writing. If not, I’ll stop,’” Gries recalled.

Darrenhof

02 May 2025 - 12:17 am

Хотелось бы вам владеть ресурсом для изучения английского языка, который обновляется каждый день? Если да (а мы уверены, что – да), тогда учите английский при помощи новостей!


Breaking news (последние новости), новые и оригинальные истории привлекают внимание и одновременно улучшают ваши знания английского. Они познакомят вас с важной повседневной лексикой и помогут лучше освоить структуру английского предложения. Кроме того, изучение новостей на английском может помочь в общении с носителями языка. Когда вы будете знать, что происходит в мире, в котором они живут, сможете лучше говорить на их языке. А еще всегда будет о чем поговорить!

Вам точно понравится удобство изучения английского с помощью новостей, чтения статей в интернете, прослушивания новостных подкастов или просмотра роликов в приложении в любое удобное время и в любом месте. И мы не будем ограничиваться только роликами с субтитрами на ютубе.

Предлагаем список ресурсов для просмотра и чтения новостей на английском языке. Некоторые из них созданы специально для изучающих язык, другие – аутентичные медиа, давно полюбившиеся носителям языка.

E-news
E-news

Один из новых ресурсов, созданный специально для тех, кто изучает английский. Подойдет как для уровня Elementary, так и для Advanced. Здесь вы можете читать новости о политике, науке, технологиях, спорте, путешествиях и пр. Кроме того, можете быстро найти интересующую тему, используя теги.

Сайт еженедельно освещает множество событий. Например, читайте релиз о «Фантастических тварях, и где они обитают» в 3-х разных вариантах, соответствующих каждому уровню изучения языка.

В каждой статье выделены основные слова с переводом на русский. Наведите на них курсором и увидите его в контексте. Еще одна крутая фишка – аудиосопровождение, которое вы выбираете в зависимости от уровня вашего английского.
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В целом, сайт очень круто оформлен и удобен для пользователя.

The Times in Plain English


Как сказано на главной странице – The Times in Plain English («The Times на понятном/простом английском) это «четкое написание» для «глобального прочтения». Сервис помогает понимать читателям по всему миру подлинные английские новостные статьи. Это означает, что новички могут получать свою дозу свежих новостей без необходимости обращаться за каждым вторым словом к словарю.
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Сайт берет статьи из различных публикаций, в том числе и The New York Times, и переписывает их, используя простые слова и короткие предложения. Здесь освещаются темы здоровья, образования, законов, иммиграции, денег и работы. Также вы найдете ссылку на оригинальную статью, если захотите усложнить себе задачу.


К сожалению, сейчас в сети очень много посредственного контента. А когда вы не носитель языка, вам такой контент не нужен. Нужен – качественный.
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Что делать? Читайте аутентичные (подлинные) новостные статьи с четким и ясным языком, написанные людьми разных культур.

USA Today
USA Today может многое предложить не носителям языка. Статьи написаны в лаконичном и прямом стиле. Здесь вы найдете актуальные новости США, множество тем о науке и технике, спорте и путешествиях, колонки различных авторов.

The Guardian Newspapers
The Guardian Newspapers

The Guardian – еще один отличный online источник различных английских новостных историй. Кроме того, он предлагает несколько вариантов: The Guardian – для американцев, The Guardian – для англичан. Выбирайте, какой английский вам больше по душе, и читайте.

Сервисы располагают огромной коллекцией новостных статей, посвященных политическому миру, бизнесу, образу жизни и пр.

В The Guardian`s Long Read вы найдете поистине крутой материал для улучшения навыков чтения и аудирования.

The New York Times` Times Minute
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Scottsag

01 May 2025 - 11:48 pm

Iceberg flotillas
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Located on the west coast, Ilulissat is a pretty halibut- and prawn-fishing port on a dark rock bay where visitors can sit in pubs sipping craft beers chill-filtered by 100,000-year-old glacial ice.

It’s a place to be awed by the UNESCO World Heritage Icefjord where Manhattan skyscraper-sized icebergs disgorge from Greenland’s icecap to float like ghostly ships in the surrounding Disko Bay.

Small boats take visitors out to sail closely among the bay’s magnificent iceberg flotilla. But not too close.

“I was on my boat once and saw one of these icebergs split in two. The pieces fell backwards into the sea and created a giant wave,” said David Karlsen, skipper of the pleasure-boat, Katak. “…I didn’t hang around.”

Disko Bay’s other giants are whales. From June to September breaching humpback whales join the likes of fin and minke whales feasting on plankton. Whale-watching is excellent all around Greenland’s craggy coastline.

Whales are eaten here. Visitors shouldn’t be surprised to encounter the traditional Greenlandic delicacy of mattak — whale-skin and blubber that when tasted is akin to chewing on rubber. Inuit communities have quotas to not only hunt the likes of narwhals but also polar bears, musk-ox and caribou — which can also appear on menus.

Johnniespoic

01 May 2025 - 10:26 pm

Curiosity rover makes ‘arguably the most exciting organic detection to date on Mars’
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The NASA Curiosity rover has detected the largest organic molecules found to date on Mars, opening a window into the red planet’s past. The newly detected compounds suggest complex organic chemistry may have occurred in the planet’s past — the kind necessary for the origin of life, according to new research.

The organic compounds, which include decane, undecane and dodecane, came to light after the rover analyzed a pulverized 3.7 billion-year-old rock sample using its onboard mini lab called SAM, short for Sample Analysis at Mars.

Scientists believe the long chains of molecules could be fragments of fatty acids, which are organic molecules that are chemical building blocks of life on Earth and help form cell membranes. But such compounds can also be formed without the presence of life, created when water interacts with minerals in hydrothermal vents.

The molecules cannot currently be confirmed as evidence of past life on the red planet, but they add to the growing list of compounds that robotic explorers have discovered on Mars in recent years. A study detailing the findings was published Monday in the journal Proceedings of the National Academy of Sciences.
The detection of the fragile molecules also encourages astrobiologists that if any biosignatures, or past signs of life, ever existed on Mars, they are likely still detectable despite the harsh solar radiation that has bombarded the planet for tens of millions of years.

“Ancient life, if it happened on Mars, it would have released some complex and fragile molecules,” said lead study author Dr. Caroline Freissinet, research scientist at the French National Centre for Scientific Research in the Laboratory for Atmospheres, Observations, and Space in Guyancourt, France. “And because now we know that Mars can preserve these complex and fragile molecules, it means that we could detect ancient life on Mars.”