{"id":19023,"date":"2013-06-19T00:00:00","date_gmt":"2013-06-18T22:00:00","guid":{"rendered":"https:\/\/trilogi.com\/blog\/sistema-de-seguretat-perimetral\/"},"modified":"2013-06-19T00:00:00","modified_gmt":"2013-06-18T22:00:00","slug":"sistema-de-seguretat-perimetral","status":"publish","type":"post","link":"https:\/\/trilogi.com\/blog\/ca\/sistema-de-seguretat-perimetral\/","title":{"rendered":"Sistema de seguretat perimetral"},"content":{"rendered":"<p>En tots els sistemes, tamb\u00e9 en els d\u2019eCommerce, i encara m\u00e9s en aquells que es poden considerar cr\u00edtics pel volum de negoci que generen, la seguretat \u00e9s un factor que cal tenir molt en compte.<\/p>\n<p>Hi ha diferents situacions a valorar, b\u00e0sicament per les tipologies de problemes que poden ocasionar alguns atacs.<\/p>\n<p>Podr\u00edem diferenciar dos grans grups: d\u2019una banda, els atacs contra el sistema pr\u00f2piament dit, \u00e9s a dir, atacs que el saturen per volum de processament i fan que el servei sigui inaccessible per als usuaris leg\u00edtims; i de l\u2019altra, els atacs d\u2019ample de banda, en qu\u00e8 l\u2019objectiu \u00e9s col\u00b7lapsar la porta d\u2019acc\u00e9s al sistema.<\/p>\n<p>En tots dos casos el resultat \u00e9s la impossibilitat d\u2019oferir el servei per saturaci\u00f3, i pot arribar a ser complicat lluitar contra aquests atacs.<\/p>\n<p>En el cas del primer tipus d\u2019atac, i com tot en aquesta vida, com m\u00e9s complex \u00e9s l\u2019atac m\u00e9s immune \u00e9s a les possibles solucions que s\u2019hi puguin aplicar; en el segon cas, es tracta d\u2019un atac que es podria considerar de for\u00e7a bruta, en qu\u00e8 acaba guanyant qui la t\u00e9 m\u00e9s grossa, l\u2019amplada de banda vull dir, ja que per saturar un acc\u00e9s cal poder ocupar tot l\u2019espai disponible i, per tant, qui disposi de m\u00e9s volum ser\u00e0 el vencedor de la batalla.<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/trilogi.com\/blog\/assets\/content\/\/Webcast-sobre-ciber-ataques-el-pr%F3ximo-lunes.jpg\" style=\"margin: 10px; width: 650px; height: 310px;\" \/><\/p>\n<p>Vist aix\u00f2 sembla que nom\u00e9s podem resar i esperar no ser objectiu de cap atac; tanmateix, en algun cas hi ha solucions, com detallar\u00e9 a continuaci\u00f3.<\/p>\n<p>\n<u>Atacs d\u2019ample de banda<\/u><br \/>\nEn aquests casos l\u2019\u00fanica manera de suportar-ho \u00e9s tenir la capacitat d\u2019absorbir el volum de peticions que poden arribar; dif\u00edcilment hi pot haver soluci\u00f3.<\/p>\n<p><u>Atacs per processament<\/u><br \/>\nPer a aquest tipus d\u2019atacs hi ha sistemes que detecten seq\u00fc\u00e8ncies de navegaci\u00f3, usuaris amb comportaments sospitosos, adreces d\u2019usuaris amb un nombre de peticions al servidor massa elevat i altres patrons de comportament, i bloquegen el que segons aquestes normes es considera perill\u00f3s. Fins i tot hi ha sistemes m\u00e9s avan\u00e7ats que \u201caprenen\u201d del comportament dels usuaris i generen patrons vius sobre els quals aplicar les restriccions d\u2019acc\u00e9s.<\/p>\n<p>Els sistemes que fan aquestes tasques s\u00f3n certament costosos, per\u00f2 tamb\u00e9 hi ha solucions m\u00e9s econ\u00f2miques, ja que hi ha empreses que es dediquen a oferir aquests serveis.<\/p>\n<p>La manera de funcionar \u00e9s senzilla: es tracta de fer passar totes les peticions que rep la botiga virtual a trav\u00e9s d\u2019aquests sistemes, que actuen com a filtre, suporten els atacs i bloquegen les peticions malintencionades.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En tots els sistemes, tamb\u00e9 en els d\u2019eCommerce, i encara m\u00e9s en aquells que es poden considerar cr\u00edtics pel volum de negoci que generen, la seguretat \u00e9s un factor que cal tenir molt en compte. Hi ha diferents situacions a valorar, b\u00e0sicament per les tipologies de problemes que poden ocasionar alguns atacs. Podr\u00edem diferenciar dos [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1739],"tags":[],"class_list":["post-19023","post","type-post","status-publish","format-standard","hentry","category-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sistema de seguretat perimetral | Blog Trilogi \u2013 The Digital Agency<\/title>\n<meta name=\"description\" content=\"En tots els sistemes, tamb\u00e9 en els d\u2019eCommerce, i encara m\u00e9s en aquells que es poden considerar cr\u00edtics pel volum de negoci que generen, la seguretat \u00e9s\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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