Ports Flashcards
FTP (file transfer protocol)
20-21
Transfer files between a client and server
SSH (secure shell)
SFTP (secure file transfer protocol)
22
Telnet
23
Virtual access of a computer, text based
SMTP (simple mail transfer protocol)
25
Sends messages between servers
DNS (domain name server))
53
translates domain names to IP addresses
HTTP (hyper text transfer protocol)
80
Establish connection with web server
POP 3 (post office protocol)
110
Download email to a client
SNMP (simple network management protocol)
161/162
Used to share information between devices
IMAP (internet message across protocol)
143
Accessing email on a server
HTTPS (hypertext transfer protocol secure)
443
Secure HTTP
RDP (Remote Desktop protocol)
3389
Connects to a remote client with a graphic interface
Netbios
137-139
Allows applications in separate computers to connect in the session layer IOS model
SMB/CIFS (server message block/common internet file system)
445
Allows applications on other computers to read/write and request services
AFP (AppleTalk filing protocol)
548
Offers file services for MacOs
DHCP (dynamic host configuration protocol)
67/68
Used to automate the process of configuring devices on an IP network
LDAP (lightweight directory access protocol)
389
Directory service authentication
TFTP (trivial file transfer protocol)
69
Allows à client to file transfer
NNTP (network news transfer protocol)
119
Transfer and read net news articles
NTP (network time protocol)
123
Used to synchronize computer clocks
LDAPS (lightweight directory access protocol secure
636
LDAP secure
H.323 Call Signaling
1720
Provides audio/video communications
MGCP (Cisco média gateway control protocol)
2427
Signal and call control for VOIP
RTP (real-time transport protocol)
5004-5005
Delivers streaming audio/video packets over the internet
SIP (session initiation protocol)
5060-5061
Establishes a VOIP session, IP address and ports
