DDoS(Distributed Denial of Service) bụ ụdị mwakpo cyber ebe a na-eji ọtụtụ kọmputa ma ọ bụ ngwaọrụ ndị e mebiri emebi eme ihe iji jupụta sistemụ ma ọ bụ netwọk ebumnuche ya na nnukwu ọnụọgụ okporo ụzọ, na-eme ka akụrụngwa ya baa ụba ma na-akpata nsogbu na ọrụ ya nkịtị. Ebumnuche nke mwakpo DDoS bụ ime ka sistemụ ma ọ bụ netwọk ebumnuche ghara iru ndị ọrụ ziri ezi.
Lee ụfọdụ isi ihe gbasara mwakpo DDoS:
1. Ụzọ MwakpoMwakpo DDoS na-agụnyekarị ọtụtụ ngwaọrụ, nke a maara dị ka botnet, nke onye mwakpo na-achịkwa. Ngwaọrụ ndị a na-enwekarị nje malware nke na-enye onye mwakpo ohere ijikwa ma hazie mwakpo ahụ site n'ebe dị anya.
2. Ụdị Mwakpo DDoSMwakpo DDoS nwere ike ịdị iche iche, gụnyere mwakpo olu nke na-ejupụta ebe a na-achọ ihe site na oke okporo ụzọ, mwakpo oyi akwa ngwa nke na-elekwasị anya na ngwa ma ọ bụ ọrụ ụfọdụ, yana mwakpo protocol nke na-eji adịghị ike eme ihe na protocol netwọk.
3. Mmetụta: Mwakpo DDoS nwere ike ibute nnukwu nsogbu, nke na-ebute nsogbu ọrụ, oge ọrụ agwụla, mfu ego, mmebi aha ọma, na nsogbu ahụmịhe onye ọrụ. Ha nwere ike imetụta ọtụtụ ụlọ ọrụ dị iche iche, gụnyere weebụsaịtị, ọrụ ịntanetị, ikpo okwu azụmaahịa eletrọnịkị, ụlọ ọrụ ego, na ọbụna netwọk dum.
4. Mbelata: Òtù dị iche iche na-eji usoro dị iche iche nke DDoS iji chebe sistemụ na netwọk ha. Ndị a gụnyere nzacha okporo ụzọ, mmachi ọnụego, nchọpụta ihe na-adịghị mma, ntụgharị okporo ụzọ, na iji ngwaike ma ọ bụ ngwanrọ pụrụ iche emebere iji chọpụta ma belata mwakpo DDoS.
5. Mgbochi: Igbochi mwakpo DDoS chọrọ usoro dị irè nke gụnyere itinye usoro nchekwa netwọk siri ike, ime nyocha adịghị ike mgbe niile, idozi adịghị ike ngwanrọ, na inwe atụmatụ nzaghachi ihe mberede iji jikwaa mwakpo nke ọma.
Ọ dị mkpa ka òtù dị iche iche nọrọ na nche ma dịrị njikere ịzaghachi mwakpo DDoS, ebe ọ bụ na ha nwere ike inwe mmetụta dị ukwuu n'ọrụ azụmaahịa na ntụkwasị obi ndị ahịa.
Mwakpo Mgbochi Mgbochi DDoS nke Nchebe
1. Nyocha ọrụ na ọdụ ụgbọ mmiri ndị na-adịghị mkpa
Enwere ike iji Inexpress, Express, Transferding na ngwaọrụ ndị ọzọ ehichapụ ọrụ na ọdụ ụgbọ mmiri ndị na-adịghị mkpa, ya bụ, ehichapụ ip adịgboroja na rawụta ahụ.
2. Nhicha na nzacha nke mmiri na-adịghị mma
Hichaa ma hichaa okporo ụzọ na-adịghị mma site na firewall ngwaike DDoS, ma jiri teknụzụ dị elu dịka nzacha iwu ngwugwu data, nzacha nchọpụta mkpịsị aka data, na nzacha nhazi ọdịnaya ngwugwu data iji chọpụta nke ọma ma okporo ụzọ mpụga ọ bụ ihe nkịtị, ma gbochie nzacha okporo ụzọ na-adịghị mma.
3. Nchebe nke otu klaasị kesara
Nke a bụ ụzọ kachasị dị irè ugbu a iji chebe obodo nchekwa weebụ site na nnukwu mwakpo DDoS. Ọ bụrụ na a wakpoo nodu ma enweghị ike inye ọrụ, sistemụ ahụ ga-agbanwe gaa na nodu ọzọ na akpaghị aka dịka ntọala mbụ si dị, ma weghachite ngwugwu data nke onye na-awakpo ahụ na ebe izipu, na-eme ka isi iyi nke mwakpo ahụ ghara ịdị irè ma na-emetụta ụlọ ọrụ ahụ site na mkpebi nchekwa nchekwa miri emi.
4. Nyocha DNS nwere ọgụgụ isi dị elu
Njikọ zuru oke nke sistemụ mkpebi DNS nwere ọgụgụ isi na sistemụ nchekwa DDoS na-enye ụlọ ọrụ ikike nchọpụta dị elu maka ihe iyi egwu nchekwa na-apụta. N'otu oge ahụ, enwerekwa ọrụ nchọpụta mmechi, nke nwere ike gbanyụọ ọgụgụ isi IP nke sava n'oge ọ bụla iji dochie IP nkesa nkịtị, ka netwọk ụlọ ọrụ wee nwee ike ịnọgide na-enwe ọnọdụ ọrụ na-akwụsịghị akwụsị.
Mwakpo DDoS maka Nchekwa Netwọk Ego Bank Njikwa, Nchọpụta na Nhicha Okporo ụzọ:
1. Nzaghachi Nanosekọnd, ngwa ngwa ma zie ezi. A na-anabata ụdị azụmaahịa nke mmụta onwe onye na ngwugwu site na teknụzụ nchọpụta omimi ngwugwu. Ozugbo achọpụtara okporo ụzọ na ozi na-adịghị mma, a na-amalite atụmatụ nchebe ozugbo iji hụ na igbu oge n'etiti mwakpo na nchekwa erughị sekọnd 2. N'otu oge ahụ, ngwọta nhicha mmiri na-adịghị mma dabere na oyi akwa nke usoro nhicha nzacha nke echiche, site na oyi akwa asaa nke nhazi nyocha mmiri, site na aha IP, oyi akwa njem na oyi akwa ngwa, njirimara atụmatụ, nnọkọ n'akụkụ asaa, omume netwọk, nhazi okporo ụzọ iji gbochie nzacha njirimara nzọụkwụ site na nzọụkwụ, melite arụmọrụ zuru oke nke nchekwa, nkwa dị irè nke nchekwa netwọk ebe nchekwa data XXX.
2. Nkewa nke nyocha na njikwa, nke dị irè ma dịkwa mma. Usoro nhazi nke ebe nnwale na ebe nhicha nwere ike ijide n'aka na ebe nnwale ahụ nwere ike ịnọgide na-arụ ọrụ mgbe ebe nhicha ahụ dara, ma mepụta akụkọ nnwale na ọkwa mkpu n'oge, nke nwere ike igosi mwakpo nke XXX bank n'ọtụtụ ụzọ.
3. Njikwa na-agbanwe agbanwe, na-enweghị nchekasị. Ngwọta Anti-ddos nwere ike ịhọrọ ụdị njikwa atọ: nchọpụta na-enweghị nhicha, nchọpụta akpaka na nchekwa nhicha, na nchedo mmekọrịta aka. Ojiji mgbanwe nke ụzọ njikwa atọ ahụ nwere ike imezu ihe achọrọ maka azụmahịa nke XXX bank iji belata ihe egwu mmejuputa ma melite nnweta mgbe ebido azụmaahịa ọhụrụ ahụ.
Uru Ndị Ahịa
1. Jiri bandwidth netwọk mee ihe nke ọma iji melite uru ụlọ ọrụ
Site na ngwọta nchekwa zuru oke, ihe mberede nchekwa netwọkụ nke mwakpo DDoS kpatara na azụmaahịa ịntanetị nke ebe data ya bụ 0, e belatara mfu nke bandwidth mpụga netwọkụ nke okporo ụzọ na-adịghị mma na oriri nke akụrụngwa sava kpatara, nke mepụtara ọnọdụ maka ụlọ akụ XXX iji melite uru ya.
2. Belata Ihe Ize Ndụ, hụ na netwọk kwụsiri ike ma nwee ike ịdịgide
Ntinye ngwa anti-ddos nke na-egbochi usoro netwọk dị ugbu a anaghị agbanwe usoro netwọk dị ugbu a, enweghị ihe egwu nke mmebi netwọk, enweghị otu isi ihe ga-ada ada, enweghị mmetụta na ọrụ nkịtị nke azụmaahịa ahụ, ma na-ebelata ọnụ ahịa mmejuputa na ọnụ ahịa ọrụ.
3. Meziwanye afọ ojuju onye ọrụ, jikọta ndị ọrụ dị adị ma mepụta ndị ọrụ ọhụrụ
Nye ndị ọrụ ezigbo gburugburu ebe obibi netwọk, ụlọ akụ n'ịntanetị, ajụjụ azụmaahịa n'ịntanetị na afọ ojuju ndị ọrụ azụmaahịa n'ịntanetị ndị ọzọ ka mma, mee ka iguzosi ike n'ezi ihe nke ndị ọrụ sikwuo ike, iji nye ndị ahịa ezigbo ọrụ.
Oge ozi: Julaị-17-2023
