Network Ports Flashcards
SMTP message relay
25
SMTP mail clients for message submission
587
Well-known ports?
0 to 1023
Registered ports?
1024 to 49,151
Dynamic or Private ports?
49,152 to 65,535
FTP
TCP 21: Using FTP, File Transfers are fun;I can use tcp/20 or /21! (21 is for control, like a win in BlackJack!)
SSH, SCP, SFTP
TCP/UDP 22:With port 22, I’m feeling well; Secure communication in my little Shell.
Telnet
TCP/UDP 23: Telnet’s the same, but more easy to see; nobody likes you when you’re port 23.
DNS
TCP/UDP 53: With DNS, I convert Names to IP; I am able to do this with port 53. (Dan’s 53, he Doesn’t Need Salt)
TFTP
UDP 69: They F*** Then Position themselves (Trivial, so UDP; sexy for routers)
Kerberos
TCP/UDP 88
POP3
TCP 110: POP is not iLL, he’s only 110!
POP3S
TCP 995
IMAP4
143
IMAPS
TCP 993
NNTP
TCP 119
RPC/DCOM-scm
Remotely make a process alive by asking at port 135.
NetBIOS
TCP/UDP 137-139
All People Some Times Need Data Processing
OSI layer names: Application, Presentation, Session, Transport, Network, Data Link, Physical
SNMP
UDP 161
LDAP
TCP/UDP 389: To read and write Directories is a bit benign; I can gain Access with port 389.
For Some Techs Simple Deeds Have Put Nice Networks In Harm
FTP 21 SSH 22 Telnet 23 SMTP 25 DNS 53 HTTP 80 POP3 110 NNTP 119 NTP 123 IMAP4 143 HTTPS 443
SNMPTRAP
TCP/UDP 162
LDAP
TCP/UDP 389
