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[help] boh8eia gia prostasia apo dos ddos


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Posted

Πρέπει να αγοράσεις protection ή κάποιο καλό firewall.

 

Καλύτερα θα ήταν να βάλεις τον σέρβερ σε μία εταιρεία που να έχει protection

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Posted

τα ddos δεν είναι όπως λέμε φέρε μου το fix για το "noobish error"

Τα ddos είναι άλλη υπόθεση,γιατί πολύ απλά δεν κάνουνε αττάκ στον σέρβερ αλλά κάνουνε στο deticated,και συνεπώς άμα το attack είναι μεγάλο πέφτει ο σέρβερ.

Τώρα,πιθανές λύσεις για αυτό

Είναι να πληρώσεις για ένα καλό firewall ή να βρείς κάποια εταιρεία hosting που να σου προσφέρει firewall , συνήθως με datancer στην αμερική , ή κάποια cisco router που κοστίζει.

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Posted

Η μονη λυση ειναι cisco router ή ενα καλο firewall.Δυστυχως για ddos δεν μπορεις να κανεις κατι σε java side

 

to pedi exi dikio to DDos dn exi kamia sxesi me to pack xtipai modem ala ise siguros oti ine ddos attack? gt an s vgazi errors to console ine ala attack gia l2

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Posted

exw brei ena firewall apo pc tools. to eixane protinei se ena post edwpera. den to exw dokimasei akoma.. 8a diksei. kamia prwtash gia firewall?

Εξαρτάται πόσα δείνεις,μπορεις να βρείς πολύ καλά στο Internet,από έμπιστα site φυσικά.

ΥΓ : Δεν υπάρχει free καλό firewall.

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Posted

epsaksa ligo kai vrika aftw to firewall http://www.4shared.com/file/uxaEL46d/Anti_-_Hack_Programs.html to testara ine arketa kalw apo ti  m exun pi dn peranne kai attacks wpos ta server attacker kai ta flood dn ime kai 100% siguros ala aksizi aftw to firewall prosoxi 8a s kani block ta ports 8a pas esi kai 8a to fixed dn ine diskolo 8a patisis stis ekseresis kai 8a valis px 7777 2106 9014 elpizw na s voi8isa se oti bwrusa

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Posted

Epsaksa sto google kai brika autin tin istoselida

isxurizontai oti ama epikoinwniseis mazi tous stamatane opiodipote ddos attack se merika lepta Ps den exeis tpt na xaseis rwta  Episis brika ena programa pou upotithete oti prostateuei apo ddos
dokimaseto kai auto
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Posted

file vale photo na doume to error na mporesoume na  se boi8isoume

 

File Kafros_Gr pou to ekanes test  ayto to link pou dineis ?

ekanes kanena atack me ddos se kanena pack ?

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Posted

katebasa ayto p les. to firewall to exw kai th mia aspda. h allh omws den m trexei....

otan m kanoyn attack 8a anebasw pic. alla prepei na einai to server attacker t dragonhunter

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Posted

loipon gia na ksekatharisoume merika pragmata kathos exoun akoistei apisteytes asinartisies sto topic.

 

Se mia epikoinonia metaksi dio melon ( px client - server ) ta dedomena metaferonte apo to ena PC, sto router ston ISP meta sto router tou dedicated meta mesa ston dedicated sto TCP stack kai meta stin efarmogi ( l2jserver. ). DOS attack exoume otan kapios floodarei ena simeio aytou tou monopatiou tis epikoinonias oste na min pernane ta dedomena. DDOS attack exoume otan floodarei apo polla compromised PC to sigekrimeno simeio sto monopati.

 

Ti mporei na floodarei :

 

1)Process level. Kathe efarmogi exei ena sinolo apo resources pou diathetei px gia eiserxomenes sindeseis. An gemisoun oles oi sindeseis, den dexete ales.

 

2)Channel bandwidth. Apla stelnei skoupidia sto kanali me taxitites megaliteres apo aytes pou to kanali mporei na kratisei. PX an exeis 100 mbit kai o alos stelnei skoupidia me 200 mbit tote tha gonatisei i grammi.

 

Firewall ti einai ?

 

1) Software firewall, einai logismiko pou diabazei ta paketa pou ftanoun STO PC kai ta empodizei na ftasoun STHN EFARMOGI an isxioun kapoies sinthikes.

 

2) Hardware firewall, einai ena mixanima prin apo to pc, sinithos mesa sto datacenter i ston ISP to opio filtrarei paketa PRIN ftasoun STO PC-SERVER.

 

Opote an kapios kanei epithesi sto kanali, to software firewall den kanei tipota. Xreiazete hardware firewall, pou einai mia siskeyi eksipni oste na filtrarei tin saboura pou stelnei. Cisto router , cisco firewall , firewall , ddos firewall einai to idio pragma. Hardware firewall legete , apla mia apo tis eteries pou bgazei hardware firewalls einai i CISCO ( bgazei kala firewalls ).

 

Opote min akouo malakies bale cisco firewall ktl ktl.

 

Otan mia aiteria prosferei DDOS protection simenei oti sou kobei ton kolo ( 300 euro kai pano ) kai sou kolaei ena mixanima prin apo tin grammi, oste na min perna i saboura kai tin boulonei. Den exei simasia an to mixanima einai apo tin CISCO, iparxoun ki alles eteries pou bgazoun hardware firewalls.

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Posted

File Leluche sinfono se ola ayta pou les kai exeis apolito dikio.

Alla  poia Dedicated exei hardware firewalls sta pc  tou kai  den tha plhroseis to pc 250 h 300 ?

Ama exeis kati na protineis  dose mia lisei file ty ;)

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