Commonly used network ports/protocols and IP masks/ranges

30 terms by Atroxus 

Create a new folder

Advertisement Upgrade to remove ads

FTP (File Transfer Protocol)

TCP Port 20, 21

SSH (Secure Shell)

TCP Port 22

Telnet

TCP Port 23

SMTP (Simple Mail Transfer Protocol)

TCP Port 25

DNS (Domain Name Service)

UDP/TCP Port 53

DHCP (Dynamic Host Configuration Protocol)

UDP Port 67, 68

TFTP (Trivial File Transfer Protocol)

UDP Port 69

HTTP (HyperText Transfer Protocol)

TCP Port 80

POP3 (Post Office Protocol)

TCP Port 110

NNTP (Network News Transfer Protocol)

TCP Port 119

NTP (Network Time Protocol)

UDP Port 123

IMAP4 (Internet Message Access Protocol)

TCP Port 143

SNMP (Simple Network Management Protocol)

UDP Port 161, 162, 10161, 10162

LDAP (Lightweight Directory Access Protocol)

TCP Port 389

HTTPS (HyperText Transfer Protocol Secure)

TCP Port 443

SMB (Server Message Block)

TCP Port 445

L2TP (Layer 2 Tunneling Protocol)

UDP Port 1701

PPTP (Point to Point Tunneling Protocol)

TCP Port 1723

RDP (Remote Desktop Protocol)

TCP Port 3389

TraceRoute

UDP Port 33434-33534(Unix) or ICMP(Windows)

Ping

ICMP (no port)

Class A networks

1.x.x.x - 126.x.x.x

Class B networks

128.x.x.x - 191.x.x.x

Class C Networks

192.x.x.x - 223.x.x.x

Loopback address

127.x.x.x

APIPA Address range

169.254.x.x

Class A Private Networks

10.0.0.0/8

Class B Private Networks

172.16.0.0/12

Class C Private Networks

192.168.0.0/16

IPSec

UDP ports 500 and 4500 and IP Protocol 50

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set