Tap chi sd 18 thang 6 2016 truimg Dai hoc Tay Nguyfin ISSN 1859 4611 HE THONG PHAN MEM NHAP DIEM BO PHAN TlT XA THONG QUA HE THONG MANG INTERNET Pham Van Thu3ii< Ngay nhan bai 25/11/2015, Ngay phan bi[.]
Tap chi sd 18 thang 6-2016 truimg Dai hoc Tay Nguyfin ISSN 1859-4611 HE THONG PHAN MEM NHAP DIEM BO PHAN TlT XA THONG QUA HE THONG MANG INTERNET P h a m Van Thu3ii< Ngay nhan bai 25/11/2015, Ngay phan bifin thdng qua: 25/02/2016; Ngay duyet dang: 08/4/2016 TOM TAT He thdng phan mfim nhap diem bd phan tir xa thdng qua he thdng mang Internet nham lao difiu kiai thuan tifin hon vific nhap difim bd phan tii xa thdng qua he thong raang truyfin thdng cd tinh bao mat cho he thflng dir hfiu tmyfin tir may client dfin he thdng may Server va ngugc lai tai truong Dai hijc Tay Nguyen Tirkhda- Phdn mem nhgp diem bo phdn l.MdDAU Cflng nghe thflng tin ddng vai trd quan trpng su phat tnfin ciia xa hdi ihdi dai Cdng nghe thflng lin da trd nhan tfl quan trong, la can nfli trao dfli gnia cac phin ciia xa hfli loan cau Vific dua iing dung cdng nghfi thflng tin vao qua n-inh tu dpng hda quan ly, san xuat kinh doanh la van de dang, da va se ludn dupc quan lam bdi ie cdng nghfi thdng tin cd vai trd rat ldn cac hoat ddng kinh tfi, san xuit kinh doanh, xiic tifin thucmg mai, quan tri doanh nghifip va cdng lac quan ly Hifin nay, cd mpt sd rao hinh nhap sd lifiu ni xa tap trung vfi dir lieu trung lam qua md hmh mang tmyfin thflng nhu: Web Application, Form Application Tuy nhifin, tai tmdng Dai hpc Tay Nguyen hifin da cd phan mfim quan ly cac hoat dpng dao lao dd cd phan he nhap difim bd phan nhung pham yi hoat ddng mang npi bfl ciia Nha dudng Dfi thuan lifin hon vific nhap difim bfl phan tii xa thong qua hfi lhdng mang liuyfin thong cd tinh bao mat cho he lhdng du hfiu, chiing tdi chon phuong an xay dimg phim mfim (Form Application) dfi nghifin cim va Irifin khai cho md hinh hien lai ciia Trudng Dai hpc Tay Nguyfin NQI DUNG VA PHlTCfNG P H A P NGHIEN Ciru 2.1 Ngi dung nghien cuu p, ; ; Pham m ™ quan tn cp sd dii lieu Microsofi L Server server 2008 va He thiing ,l,l,„,Ar,„„ u„u^ ,.- SQL diing bo hoa dit lieu tren phara mera quan ir cp so da lieu Microsofi SQL Server 2008 He thong tucmg lira (Firewall) hoat dong n-en phan mem va luimg lua hoat dong ircn phjn cimg dc kiem soal d,a chi tmy nhap, cSm dia chi tray nhap, kiem soat ngudi sir dung va viec tmy nhiip eua nguoi sir dung; kiem soat „6i dung thong tin luu chuyen chuven tren mang manp Nghifin citu thuat toan ma hda va giai mS DES ling dung truyfin va nhan thong tin qua trinh nhap va xuat thdng tin tir may khac dfin h? thflng may chli tai trudng Dai hoc Tay Nguyfin t;, Nghien ciiu ngdn ngii lap trinh Delphi SeattlelO,,VOI cac phan m o rdng hudng ddi tuong (nen c6n''' cd ten gpi truoc dd la "Object Pascal"), hi^n nt^r Delphi Embarcadero phat trifin Delphi baadjilM duac thifit ke trfin mdi trudng dfl hpa phat trifin-tida hop va cho phep kfit nfli tdi co so dir lieu (Databases va hd trp cdng nghe dien toan dam may 2.2 Phuffng phdp nghiin cuu Phuong phap chuyen gia Trifin khai img dung thuc lien K E T QUA NGHlfeN C U t J 3.1 Ha tdng mang vd tudng lira 3.1.1 He thong tuong Ida Hfi lhdng tuong liia phan cimg ling nghe t^ dja chi IP tifip ndi vdi Intemet A.B.C.D voi cflng abc va kifim soal tmy cap hi may khach phia ben ngoM Internet Vai lenh ciu hinh access-list outside_ A C L p e r m i t tep any host A.B.C.B eq abc Tudrng lua phin mfira (dat tai may ehii trung gian) de kiem soat lhdng tin vao giOa may chu npi bfl va tudng liia phin cumg, thflng sfl cac mie cho phep hfi lhdng tudng lira phin mfim, cho phfip lang ' dfin may chu nfli bp -—B nghe " o — tir ' " may w.iLj chii ^iiu kfit n,>_i nndi Ihong qua su kiSm soat eua tuong lua phSn mim, „ ; j j y , ^ , ^ j ^ , ^ ^ ^ , _^ g^,_.^^, ^ ^ j ^ , ^^ ^^^^^ cho phep tir trpng ngoai thep c6ng abc va tule Lpcal hpst -> Intemal^ che dp Allpw chp phep may chii trung gian kifim soat eac goi tin vao may chli npi bp / ThS T,-,„,g ,a„ Thdng , „ , Truang Da, hoc Td,- Nguven Tacg.ul,„,hC Pham V,„ „ , „ » , OT Omil^nilpvlhu Tap chi so 18, thang 6-2016, truimg Dai hoc lay Nguyen ISSN 1859^611 foc Dus aocfa MSSOL IJCU ctoi bo