▶ 가장 많이 사용되는 포트 요약  (0~1023)

키워드	포트번호	포트용도
icmp	8/tcp, 8/udp, 0/tcp, 0/udp	Unassigned
ftp-data	20/tcp, 20/udp	File Transfer [Default Data]
ftp	21/tcp, 21/udp	File Transfer [Control]
ssh	22/tcp, 22/udp	SSH Remote Login Protocol
telnet	23/tcp, 23/udp	Telnet
smtp	25/tcp, 25/udp	Simple Mail Transfer
domain	53/tcp, 53/udp	Domain Name Server
whois++	63/tcp, 63/udp	whois++
tftp	69/tcp, 69/udp	Trivial File Transfer
gopher	70/tcp, 70/udp	Gopher
finger	79/tcp, 79/udp	Finger
www	80/tcp, 80/udp	World Wide Web HTTP
pop3	110/tcp, 110/udp	Post Office Protocol - Version 3
ntp	123/tcp, 123/udp	Network Time Protocol
epmap	135/tcp, 135/udp	DCE endpoint resolution
profile	136/tcp, 136/udp	PROFILE Naming System
netbios-ns	137/tcp, 137/udp	NETBIOS Name Service
netbios-dgm	138/tcp, 138/udp	NETBIOS Datagram Service
netbios-ssn	139/tcp, 139/udp	NETBIOS Session Service
imap	143/tcp, 143/udp	Internet Message Access Protocol
snmp	161/tcp, 161/udp	SNMP
namp	167/tcp, 167/udp	NAMP
imap3	220/tcp, 220/udp	Interactive Mail Access Protocol v3
ldap	389/tcp, 389/udp	Lightweight Directory Access Protocol
https	443/tcp, 443/udp	http protocol over TLS/SSL
shell	514/tcp	cmd
syslog	514/udp	syslog
printer	515/tcp, 515/udp	spooler
ftps-data	989/tcp, 989/udp	ftp protocol, data, over TLS/SSL
ftps	990/tcp, 990/udp	ftp protocol, control, over TLS/SSL
telnets	992/tcp, 992/udp	telnet protocol over TLS/SSL
imaps	993/tcp, 993/udp	imap4 protocol over TLS/SSL
pop3s	995/tcp, 995/udp	pop3 protocol over TLS/SSL (was spop3)

▶ 예약된 포트 요약  (1024 ~ 49151)

키워드	포트번호	포트용도
ms-sql-s	1433/tcp, 1433/udp	Microsoft-SQL-Server
ms-sql-m	1434/tcp, 1434/udp	Microsoft-SQL-Monitor
sybase-sqlany	1498/tcp, 1498/udp	Sybase SQL Any
atm-zip-office	1520/tcp, 1520/udp	atm zip office
ncube-lm	1521/tcp, 1521/udp	nCube License Manager
ricardo-lm	1522/tcp, 1522/udp

이름 패스워드

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