Port Numbers & WiFi Standards

Network+

SMTP (Simple Mail Transfer Protocol)

TCP Port 25

DNS (Domain Name System)

TCP/UDP Port 53

BOOTPS (BOOTP DHCP Server)

UDP Port 67

BOOTPC (BOOTP DHCP Client)

UDP Port 68

TFTP (Trivial File Transfer Protocol)

UDP Port 69

HTTP (HyperText Transfer Protocol)

A protocol used for transferring hypertext requests and information on the internet, operating primarily over TCP port 80.

FTP-DATA

A protocol used for transferring files over the internet, typically operating over TCP port 21.

FTP (File Transfer Protocol)

A protocol used for transferring files over the internet, typically operating over TCP port 20

SSH/SFTP (Secure Shell, Secure File Transfer Protocol)

TCP Port 22

telnet

TCP Port 23

POP (Post Office Protocol)

TCP Port 110

NTP/SNTP (Network Time Protocol/ Simple NTP)

UDP Port 123

IMAP (Internet Message Access Protocol)

TCP Port 143

SNMP (Simple Network Management Protocol)

UDP Port 161

SNMP-TRAP

UDP Port 162

LDAP (Lightweight Directory Access Protocol)

TCP/UDP Port 389

HTTPS (HyperText Transfer Protocol Secure)

TCP Port 443

SMB (Server Message Block)

TCP Port 445

syslog

UDP Port 514

DHCP v6 Client

UDP Port 546

DHCP v6 Server

UDP Port 547

SMTPS (Simple Mail Transfer Protocol Secure)

TCP Port 587

LDAPS (Lightweight Directory Access Protocol Secure)

TCP Port 636

IMAPS (Internet Message Access Protocol Secure)

TCP Port 993

POP3s (Post Office Protocol version 3)

TCP Port 995

SQLserver

TCP Port 1433

SQLnet

TCP Port 1521

mySQL

TCP Port 3306

RDP (Remote Desktop Protocol)

TCP Port 3389

RTP (Real-Time Transport Protocol)

UDP Port 5004

RTCP (Real-Time Transport Control Protocol)

UDP Port 5005

SIP (Session Initiation Protocol)

TCP/UDP Port 5060

SIPs (SIP Secure)

TCP/UDP Port 5061

802.11a

Frequency: 5GHz
Max Speed: 54mbps
Max Distance: 100ft
Channels (non-overlapped): 23(12)
Backwards compatibility: N/A

802.11b

Frequency: 2.4GHz
Max Speed: 11mbps
Max Distance: 150ft
Channels (non-overlapped): 11(3)
Backwards compatibility: None

802.11g

Frequency: 2.4GHz
Max Speed: 54mbps
Max Distance: 150ft
Channels (non-overlapped): 11(3)
Backwards compatibility: 802.11b

802.11n

Frequency: 2.4GHz/5GHz
Max Speed: 600mbps
Max Distance: 300ft
Channels (non-overlapped):
- 2.4GHz: 11(3 or 1)
- 5GHz: 23(12 or 6)
Backwards compatibility: 802.11b/g/n (depending on implementation)

802.11ac (WiFi 5)

Frequency: 5GHz
Max Speed: 3.5gbps
Max Distance: 300ft
Channels (non-overlapped): Depends on configuration.
Backwards compatibility: 802.11b/g/n

802.11ax (WiFi 6)

Frequency: 2.4GHz/5GHz
Max Speed: 14gbps
Max Distance: 300ft
Channels (non-overlapped): Depends on configuration.
Backwards compatibility: 802.11b/g/n/ac