{"id":1048,"date":"2017-04-01T00:05:27","date_gmt":"2017-03-31T16:05:27","guid":{"rendered":"https:\/\/zaf.web.id\/blog\/?p=1048"},"modified":"2017-04-06T11:28:45","modified_gmt":"2017-04-06T03:28:45","slug":"ketika-ddos-menyerang","status":"publish","type":"post","link":"https:\/\/zaf.web.id\/blog\/ketika-ddos-menyerang\/","title":{"rendered":"Ketika DDoS menyerang"},"content":{"rendered":"
\"DDoS
DDoS everywhere<\/figcaption><\/figure>\n

Mengelola server merupakan pekerjaan yang tidak\u00a0selalu mudah. Sesuatu\u00a0yang sifatnya open public<\/em> pastinya memiliki banyak ancaman yang tidak pernah dapat ditebak kapan datangnya. Berapa tahun terakhir saya bertugas untuk mengelola beberapa server\u00a0yang\u00a0menaungi cukup banyak website,<\/em> mulai dari bisnis, personal, iseng, sampai yang tidak penting.<\/p>\n

DigitalOcean<\/h2>\n

Sejauh ini layanan VPS<\/em> (Virtual Private Server<\/em>) yang\u00a0reliable<\/em> (dan murah tentunya) salah satunya adalah DigitalOcean<\/em><\/a> (DO).<\/em> Kontrol terhadap apa yang mereka sebuah droplet<\/em> tersebut\u00a0bisa didapat secara penuh.<\/p>\n

\"Aktivitas
Aktivitas process lebih dari 100%<\/figcaption><\/figure>\n

Suatu ketika saya mendapati aktivitas process<\/em> di salah satu droplet<\/em> saya mencapai lebih dari 100%<\/em><\/strong>, gila? Memang yang terjadi seperti itu, saat ini saya mencurigai sedang terjadi DDoS<\/em>.\u00a0Hal ini mengakibatkan akses ke server<\/em> menjadi terganggu, saya tidak bisa berbuat apa-apa sehingga\u00a0hanya bisa menunggu berharap server tidak mengalami error<\/em> yang serius.<\/p>\n

Satu fitur yang saya rasa masih kurang dari dashboard<\/em> droplet<\/em> DO<\/em> ialah alert<\/em> dan take action<\/em> ketika\u00a0process atau event<\/em> lain melebihi ukuran tertentu.<\/del><\/p>\n

Update 6 Apr 2017<\/h3>\n

Baru baru ini DigitalOcean<\/em> merilis fitur baru, Monitoring<\/a>.<\/em>\u00a0Sangat bermanfaat untuk memonitor droplet<\/em> ketika ada\u00a0suatu event<\/em>, seperti CPU usage<\/em> yang tinggi, dan lain sebagainya.<\/p>\n

Linode<\/h2>\n

Selang beberapa waktu akhirnya saya\u00a0menemukan Linode<\/a><\/em> sebagai alternatif DO. Linode<\/em> memiliki beberapa fail-safe<\/a><\/em>\u00a0yang diperlukan\u00a0untuk apa yang disebutnya sebagai Node<\/em>.<\/p>\n

\"Rescue
Rescue mode<\/figcaption><\/figure>\n

Selain itu ternyata untuk spesifikasi yang sama dengan DO, Linode<\/em> menawarkan harga\u00a0dengan selisih sampai 50%<\/strong><\/em> lebih murah.<\/p>\n

\"Email
Email alert Linode<\/figcaption><\/figure>\n

Sejauh ini saya hanya\u00a0membandingkan persiapan masalah keamanan pada kedua layanan tersebut diatas,\u00a0saya belum melakukan komparasi lainnya yang lebih mendalam.<\/p>\n

Server Monitoring<\/h2>\n

Saat ini kedua layanan VPS<\/em>\u00a0sudah memiliki fitur monitoring\u00a0untuk mengingatkan sysadmin<\/em> terhadap aktivitas tertentu dalam server.<\/em> Pada linode<\/em> monitoring secara otomatis terinstall, namun pada DigitalOcean<\/em> kita perlu menginstall daemon<\/em> yang berfungsi untuk mengirimkan statistik droplet<\/em>\u00a0ke server DigitalOcean<\/em>.<\/p>\n

Alternatif lain, baru-baru ini\u00a0layanan software<\/em> untuk\u00a0management web server<\/em> juga meluncurkan layanan yang dapat me-monitor<\/em> dan mengirimkan alert<\/em> ketika ada event<\/em> tertentu pada server<\/em>, Pinguzo<\/a><\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mengelola server merupakan pekerjaan yang tidak\u00a0selalu mudah. Sesuatu\u00a0yang sifatnya open public pastinya memiliki banyak ancaman…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[58],"tags":[145,214,213,215],"class_list":["post-1048","post","type-post","status-publish","format-standard","hentry","category-server","tag-digitalocean","tag-do-review","tag-linode","tag-linode-review"],"yoast_head":"\nKetika DDoS menyerang - Ahmad Zafrullah<\/title>\n<meta name=\"description\" content=\"Komparasi persiapan keamanan antara Digital Ocean dan Linode. 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Butuh beberapa hari untuk proses migrasi data dari layanan sebelumnya (shared hosting) dan\u00a0berjalan cukup baik, sampai saat ini kami sudah menggunakan 3 server (droplet) untuk menampung semua kebutuhan.\u2026","rel":"","context":"dalam "Server"","block_context":{"text":"Server","link":"https:\/\/zaf.web.id\/blog\/category\/server\/"},"img":{"alt_text":"DigitalOcean Logo","src":"https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2015\/09\/digitalocean_logo-300x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2204,"url":"https:\/\/zaf.web.id\/blog\/backup-anti-ransomware-immutable-mysql-s3\/","url_meta":{"origin":1048,"position":2},"title":"Backup Anti-Ransomware: Immutable Backup MySQL ke Object Storage","author":"Zaf","date":"Juni 6, 2026","format":false,"excerpt":"Tahun 2021 saya menulis cara dump dan backup MySQL ke DigitalOcean Spaces dengan s3cmd dan cron. Skrip itu masih berjalan, tetapi ada satu kelemahan besar: jika penyerang mendapatkan kredensial yang sama, backup juga bisa dihapus atau dienkripsi. Ransomware modern memang sengaja memburu backup terlebih dahulu. Prinsip 3-2-1 plus immutability Simpan\u2026","rel":"","context":"dalam "Programming"","block_context":{"text":"Programming","link":"https:\/\/zaf.web.id\/blog\/category\/programming\/"},"img":{"alt_text":"Ilustrasi backup immutable yang aman dari ransomware","src":"https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2026\/06\/AaEkKQkelWj3Of3lyDl7Bg-AaEkKQkefBKW0BgQydV7Mg.jpg?fit=1200%2C674&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2026\/06\/AaEkKQkelWj3Of3lyDl7Bg-AaEkKQkefBKW0BgQydV7Mg.jpg?fit=1200%2C674&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2026\/06\/AaEkKQkelWj3Of3lyDl7Bg-AaEkKQkefBKW0BgQydV7Mg.jpg?fit=1200%2C674&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2026\/06\/AaEkKQkelWj3Of3lyDl7Bg-AaEkKQkefBKW0BgQydV7Mg.jpg?fit=1200%2C674&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2026\/06\/AaEkKQkelWj3Of3lyDl7Bg-AaEkKQkefBKW0BgQydV7Mg.jpg?fit=1200%2C674&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":326,"url":"https:\/\/zaf.web.id\/blog\/review-indonetmedia-com\/","url_meta":{"origin":1048,"position":3},"title":"Review indonetmedia.com","author":"Zaf","date":"Agustus 12, 2014","format":false,"excerpt":"Satu lagi\u00a0web hosting\u00a0dan domain registration provider\u00a0indonesia, CV. Indonetmedia Corporation. Saya hampir lupa kapan pertama kali mulai menggunakan layanan disana, yang jelas sudah lumayan banyak website yang saya percayakan untuk dihost disana,\u00a0sampai-sampai mendaftar untuk menjadi reseller akun hosting yang mana niatnya biar sedikit lebih hemat dan mudah ngelolanya, ngumpulin website-website dalam\u2026","rel":"","context":"dalam "Coretan"","block_context":{"text":"Coretan","link":"https:\/\/zaf.web.id\/blog\/category\/coretan\/"},"img":{"alt_text":"Logo Indonetmedia","src":"https:\/\/i0.wp.com\/zaf.web.id\/blog\/wp-content\/uploads\/2014\/08\/logo.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":304,"url":"https:\/\/zaf.web.id\/blog\/review-layanan-hosting-masterweb-com\/","url_meta":{"origin":1048,"position":4},"title":"Review layanan hosting masterweb.com","author":"Zaf","date":"Juli 15, 2014","format":false,"excerpt":"Pelaku bisnis dunia maya memang tidak pernah lepas dari\u00a0peran penting sebuah\u00a0hosting, bagaimanapun kualitas sebuah website juga ditunjang oleh performa dari hosting tempat website tersebut di-\"titip\"-kan. 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