olemus
võrgustatud arvuti TCP-/UDP-portide
järjestikku sondeerimine tarkvaraga,
avatud portide leidmiseks
= a network reconnaissance technique designed to identify which ports are open on a computer

rakendused
- ründajal: teadaoleva nõrkuse ärakasutuseks
- süsteemiülemal: tarbetute avatud portide leidmiseks

ülevaateid
https://www.avast.com/business/resources/what-is-port-scanning#pc

https://www.varonis.com/blog/port-scanning-techniques/

https://nmap.org/nmap_doc.html

https://www.giac.org/paper/gsec/1985/stealth-port-scanning-methods/103446

http://etutorials.org/Networking/network+security+assessment/Chapter+4.+IP+Network+Scanning/4.2+TCP+Port+Scanning/

https://jhalderm.com/pub/papers/scanning-sec14.pdf

populaarsed sihtpordid
https://securitytrails.com/blog/top-scanned-ports

tõrje
https://www.turn-keytechnologies.com/blog/article/defending-against-port-scan-attacks/

http://www.ijcncs.org/published/volume3/issue2/p2_3-2.pdf

https://security.stackexchange.com/questions/170018/what-are-the-best-pratices-to-avoid-my-server-being-port-scanned

https://www.eccouncil.org/cybersecurity-exchange/penetration-testing/preventing-malicious-hacks-with-port-scanning-techniques/

vt ka
- pordiskanner