ZAŠČITA LOKALNEGA OMREŽJA S KODIRANJEM PROMETA IN AVTENTIKACIJO UPORABNIKOV

Cimperman, Matjaž

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Title:	ZAŠČITA LOKALNEGA OMREŽJA S KODIRANJEM PROMETA IN AVTENTIKACIJO UPORABNIKOV
Authors:	ID Cimperman, Matjaž (Author) ID Bitenc, Iztok (Mentor) More about this mentor... ID Lenart, Gregor (Comentor)
Files:	VS_Cimperman_Matjaz_2014.pdf (1,77 MB) MD5: 7F4B630D0C71F751B3AA61CD21A4A9BB
Language:	Slovenian
Work type:	Undergraduate thesis
Organization:	FOV - Faculty of Organizational Sciences in Kranj
Abstract:	Večina ožičenih lokalnih omrežij je v nasprotju z brezžičnimi lokalnimi omrežji tako rekoč brez zaščite pred nepooblaščenimi dostopi. Torej se lahko katerakoli mrežna naprava oziroma uporabnik brez težav priključi in opravlja potrebne poslovne aktivnosti, lahko pa tudi nedovoljene ali zlonamerne aktivnosti. V diplomski nalogi smo pokazali mogoč način zaščite lokalnega ožičenega omrežja z avtentikacijo in avtorizacijo uporabnika oziroma naprave ob priključitvi v omrežje in hkratno zaščito podatkovnega toka s kodiranjem prometa uporabnika oziroma naprave na ravni L2 modela OSI. Postavili smo kompleksno testno omrežje in pokazali uspešnost oziroma neuspešnost vdora v omrežje pri uporabi samo avtentikacije ali samo avtorizacije ali pa v kombinaciji s kodiranjem prometa. Preverjanje samo identitete uporabnika brez kodiranja prometa, ki ga omogoča MACsec, še vedno pomeni precejšnje varnostno tveganje vdora v omrežje.
Keywords:	802.1x, MACsec, Lokalno ožičeno omrežje, Avtentikacija uporabnika, Varnost/varovanje
Place of publishing:	Kranj
Year of publishing:	2014
PID:	20.500.12556/DKUM-43950
COBISS.SI-ID:	7286291
NUK URN:	URN:SI:UM:DK:J6IRENZP
Publication date in DKUM:	06.05.2014
Views:	2297
Downloads:	192
Metadata:
Categories:	FOV
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Secondary language

Language:	English
Title:	LOCAL NETWORK PROTECTION WITH TRAFFIC ENCRYPTION AND USER AUTHENTICATION
Abstract:	Most of wired LAN networks, in contrast to wireless local area networks, do not provide protection from unauthorized access. Usually any network device or user can easily connect and perform necessary business activities, but also malicious activity. In this work we have shown a possible way to protect the local wired network with user/device authentication and authorization when connecting to the network with simultaneously data traffic encryption at the L2 level of OSI Model. We set up complex test network environment and demonstrated success and failure of network attack used with or without encryption. Checking users identity only, without traffic encryption, which is provided with MACsec, still represents a significant security risk to the network intrusion.
Keywords:	802.1x, MACsec, Local wired networks, User authentication, Security/protection

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