[Tugas]PAT (Port Address Translation)

Port Address Translation (PAT)

Port Address Translation (PAT) adalah suatu fitur dari sebuah jaringan perangkat yang menerjemahkan TCP atau UDP komunikasi yang dibuat antara host di jaringan pribadi dan host pada jaringan publik.. Hal ini memungkinkan sebuah masyarakat tunggal alamat IP untuk digunakan oleh banyak host pada jaringan pribadi, yang biasanya Local Area Network atau LAN. Perangkat PAT transparan memodifikasi IP paket saat mereka melewatinya. Modifikasi membuat semua paket yang mengirim ke jaringan publik dari beberapa host di jaringan pribadi tampaknya berasal dari satu host , (perangkat PAT) pada jaringan publik. 

[Tugas]NAT (Network Address Translation)

NAT

Penafsiran alamat jaringan (Bahasa Inggris:Network Address Translation) adalah suatu metode untuk menghubungkan lebih dari satu komputer ke jaringan internet dengan menggunakan satu alamat IP. Banyaknya penggunaan metode ini disebabkan karena ketersediaan alamat IP yang terbatas,kebutuhan akan keamanan (security), dan kemudahan serta fleksibilitas dalam administrasi jaringan.

 

Rewrite Character : Kagari

Kagari (篝, Kagari) is the main heroine of Rewrite and Harvest Festa.

PERSONALITY
Terra Kagari : Is referred as the "key" throughout most the game. The last two concluding arcs of the game called "Moon route" and "Terra route" revolve around her. Being born from Gaia Kagari she rarely expresses human emotions but some times she gets angry at Kotarou's perverted comments. She uses the ribbons on her wrists to protect her from potential harm(such as Kotarou attempting to touch her). Kagari rarely speaks and only says certain words pretaining to the situation she's in. She may have a dark side which is mostly recognized by Kotarou, in Kotori's Route she is seen giving a sinister smile when Kotarou talked about the fate of the world and laughed heartedly when Kotori's familiar parents were being torn apart by a pack of black dogs. At times in Rewrite she sings a strange melody (The Song of Destruction) that is described by Kotarou as hard for humans to understand.

Rewrite Character : Akane Senri

Akane Senri (千里 朱音, Senri Akane) is one of the heroines in Rewrite and Harvest Festa! Kotarou meets her when he's investigating the Occult Club. Despite being highly skeptical, she's the President of the Occult Club.

PERSONALITY
Akane is known as the "School Witch" due to the way in which her desires and grudges become realities. Over time, Kotarou learns that this is mostly because of her political connections and due to her being rich.Akane is introverted and avoidant of crowds, to the point of being teased for being a shut-in in many occasions. She seems to be the coldest and more distant member of the Occult Club, mostly just addressing Kotarou instead of any of the other heroines. Quick to come up with an explanation to any supernatural phenomena, she's clearly pretty skeptical and cynical, often mocking Kotarou and those in the group who fall for obviously fake leads.She seems to have a lot of technical skill when it comes to computers, and is an avid gamer.

Rewrite Character : Shizuru Nakatsu

Shizuru Nakatsu (中津 静流, Nakatsu Shizuru) is a heroine in Rewrite and a first year student at Kazamatsuri Academy. She has several unique features and qualities which is to Kotarou's advantage so he can identify her easily, like her eyepatch to conceal her heterochromia.

PERSONALITY
She has a reserved and honest disposition. She doesn't speak much but Kotarou is able to understand what she is trying to express through her rich facial expressions and carries on conversations with her. Although a member of the public morals committee, she rarely acts like one, besides using it as a pretext to eat lunch together with Kotarou. She fawns over her favorite dish, mackerel pike. She is also seen eating Saury alot throughout the Story.

Rewrite Character : Chihaya Ohtori

Chihaya Ohtori (鳳 ちはや, Ootori Chihaya) is one of the heroines in Rewrite and Harvest Festa! She's a transfer student in Kotarou's class whom he meets when she gets stuck on a tree. Her most distinctive traits are her airheadedness and her superhuman strength.

PERSONALITY
Chihaya is a clumsy girl who has trouble showing her feelings and knows little about the world due to her sheltered upbringing. This makes it easy for Kotarou to tease her. Due to the circumstances of their first meeting, she is very defensive towards Kotarou. She is very clueless in most situations and slow at understanding serious matters.
From time to time, she's called the gluttonous heroine by Kotarou because of how much she enjoys eating and doesn't care about diets and whatnot. She also has very low comedic standards, managing to laugh at the jokes Kotori makes. Because of her extreme strength, she often breaks things such as Akane's coffee machine and hair dryer.

Rewrite Character : Lucia Konohana

 

Lucia Konohana (此花 ルチア, Konohana Ruchia) is one of the heroines in Rewrite and Rewrite Harvest Festa! She's the class representative in Kotarou Tennouji's class and she rules it with an iron fist.

PERSONALITY
As a class rep, Lucia is known to lack much tolerance for rule-breaking and will react to it with violence if needed. Her white gloves are her trademark, as she wears them constantly. She also carries multiple spares at all times, so she won't have to touch things with her bare hands. This attitude, plus her reluctance to touch things, makes her classmates believe that she is a clean-freak.Lucia usually keeps a cool and collected attitude, but becomes very violent when people upset or embarrass her to the point where she'll threaten people or be physically violent towards them. She can be easily appeased, however, and only repeated or grave offenses will cause this kind of drastic behavior. Although she can come across as very blunt, Lucia has a surprisingly soft side of her, particularly during her route and around Kotarou and Shizuru Nakatsu. 

Rewrite Character : Kotori Kanbe

 

Kotori Kanbe (神戸 小鳥, Kanbe Kotori) is one of the heroines of Rewrite and the female lead in the first part of the game. She is a student at Kazamatsuri Academy and a childhood friend of Kotarou Tennouji. Kotori is a nature enthusiast and her main hobby is gardening. 

APPEARANCE

Kotori has long, light brown hair and has two braids on either side, complete with flower hair-clips. Kotori also has green eyes. She wears the standard Kazamatsuri school uniform: a light-pink ruffled dress with red outlines, a red ribbon by the neck and brown laced boots. In Harvest Festa, she wears the summer uniform. Kotori also sports white knee-socks. Her casual attire consists of a pink hoodie with a long, dark red tartan skirt.

 

Rewrite Character : Kotarou Tennouji

Kotarou Tennouji (天王寺 瑚太郎, Tennouji Kotarou) is the main protagonist of Rewrite and Harvest Festa!. He was originally a normal high-school student who recently discovered his ability to rewrite, before eventually getting caught in the war between Guardian and Gaia.

PERSONALITY

Kotarou is a high school student with an easygoing personality. Though not fully realizing it himself, he often meddles in the business of others, and as such, he tends to get easily drawn into incidents. He is also somewhat of a pervert. On the other hand, he is also a kind person and would do anything for a friend. He asks people to join the Occult Club in an attempt to make friends.  

[Tugas]Artikel Keamanan Jaringan

Sistem Keamanan Jaringan

Pada era globalisasi ini, keamanan sistem jaringan berbasis Internet harus diperhatikan, karena jaringan komputer Internet yang sifatnya publik dan global pada dasarnya tidak begitu aman. Pada saat data terkirim dari suatu terminal yang satu ke terminal yang lain dalam Internet, data itu akan melewati sejumlah terminal yang lainnya yang berarti akan memberi kesempatan pada user Internet yang lain untuk menyadap atau mengubah data tersebut.

[Tugas]Keamanan Sistem Operasi

Linux 

Komponen Arsitektur Keamanan Linux :

1.      Account Pemakai (user account)

Keuntungan :

·         Kekuasaan dalam satu account yaitu root, sehingga mudah dalam administrasi system.

·         Kecerobohan salah satu user tidak berpengaruh kepada system secara keseluruhan.

·         Masing-masing user memiliki privacy yang ketat

Macam User :

Root        : kontrol system file, user, sumber daya (devices) dan akses jaringan

User        : account dengan kekuasaan yang diatur oleh root dalam melakukan aktifitas dalam

                  system.

Group     : kumpulan user yang memiliki hak sharing yang sejenis terhadap suatu devices

                  tertentu.

Rewrite Heroine Character

Heroine Character on Rewrite The Animation

 

HenNeko Pic