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start learning

Question		Answer
FTP start learning		21 (sterowanie) 20 (dane)
SFTP start learning		22
FTPS start learning		990 989
DNS start learning		53
DHCP start learning		67 (serwer) 68 (klient)
NTP start learning		123
HTTP start learning		80
HTTPS start learning		443
IMAP start learning		143/993
SMTP start learning		25 587
POP3 start learning		110/995
IPSec start learning		UDP do wymiany kluczy - 500, ESP do przesyłu danych - 50
L2TP start learning		1701

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