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[{"key": "dc.contributor.advisor", "value": "H\u00e4m\u00e4l\u00e4inen, Timo", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Lehtom\u00e4ki, Minna", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-06-04T17:49:03Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-06-04T17:49:03Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2016", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1542751", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/50108", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Tutkielmassa esitell\u00e4\u00e4n sovelluskerroksella tapahtuvia hajautettuja palvelunestohy\u00f6kk\u00e4yksi\u00e4 eli DDoS-hy\u00f6kk\u00e4yksi\u00e4, niiden havaitsemista ja niilt\u00e4 suojautumista. Lis\u00e4ksi perehdyt\u00e4\u00e4n yksityiskohtaisemmin salatuissa yhteyksiss\u00e4 tapahtuvaan hy\u00f6kk\u00e4ysten havaitsemiseen. Tarkoituksena on tarjota kattava tietopaketti sovelluskerroksesta ja sen taustana olevista protokollista, palvelunestohy\u00f6kk\u00e4yksist\u00e4, DDoS-hy\u00f6kk\u00e4ysten havaitsemiseen liittyv\u00e4st\u00e4 viimeaikaisesta tutkimuksesta sek\u00e4 hy\u00f6kk\u00e4yksilt\u00e4 suojautumisesta.\n\nK\u00e4yt\u00e4nn\u00f6nosiona simuloidaan erilaisia hitaita hy\u00f6kk\u00e4yksi\u00e4 (SlowLoris, RUDY, SlowRead), RangeAttack-hy\u00f6kk\u00e4ys, porttiskannauksia sek\u00e4 laskennallinen SSL-hy\u00f6kk\u00e4ys salatuissa yhteyksiss\u00e4 ja yritet\u00e4\u00e4n havaita ne pelkist\u00e4 otsakkeista saatavien tietojen perusteella. Havaitsemismenetelm\u00e4 perustuu liikenteen vuon klusterointiin sek\u00e4 neuroverkkoihin ja sill\u00e4 pystyttiin testauksessa tunnistamaan kaikki tehdyt hy\u00f6kk\u00e4ystyypit.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Thesis is about application layer distributed denial of service attacks (DDoS-attacks), how to detect them and how to defend against them. The goal is also to get more detailed insight about detection of DDoS-attacks in encrypted traffic. Thesis offers a lot of basic knowledge about application layer and it\u2019s protocols, recent studies about application layer DDoS-detection and information about DDoS-protection mechanisms.\n\nPractical part concerns simulation of DDoS-attack in SSL-encrypted traffic using attacks like SlowLoris, RUDY, SlowRead, RangeAttack, port scanning and SSL computational DoS. The idea is to detect attacks using only information extracted from the packet headers. Method is based on clustering of the traffic flow and use of neural networks. Used method successfully detected all different kinds of attack.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Minna Lehtom\u00e4ki (mijosiro) on 2016-06-04 17:49:03.159278. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2016-06-04T17:49:03Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201606042881.pdf: 1701711 bytes, checksum: 00cc3a5f56ea671b9c71f1cfbc8c1c0d (MD5)\nlicense.html: 4810 bytes, checksum: 72079e0c0d435248c9a7f789fe259498 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-06-04T17:49:03Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201606042881.pdf: 1701711 bytes, checksum: 00cc3a5f56ea671b9c71f1cfbc8c1c0d (MD5)\nlicense.html: 4810 bytes, checksum: 72079e0c0d435248c9a7f789fe259498 (MD5)\n Previous issue date: 2016", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (105 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "sovelluskerros", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "palvelunestohy\u00f6kk\u00e4ys", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Sovelluskerroksella tapahtuvat DDoS-hy\u00f6kk\u00e4ykset", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201606042881", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Informaatioteknologian tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Information Technology", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Tietotekniikan laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Mathematical Information Technology", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietotekniikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Mathematical Information Technology", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2016-06-04T17:49:04Z", "language": null, "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": null, "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": "fi", "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "602", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "protokollat", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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