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25 Cards in this Set

  • Front
  • Back

SSH

Secure Shell 22

DNS

Domain Name System 53

SMTP

Simple Mail Transfer Protocol 25

FTP

File Transfer Protocol 20, 21

TFTP

Trivial File Transfer Protocol 69

TELNET

23 Not encrypted, do not use

DHCP

Dynamic Host Configuration Protocol 67, 68

HTTP

Hypter Text Transfer Protocol 80

HTTPS

Hypertext Transfer Protocol Secure 443

SNMP

Simple Network Management Protocol 161

RDP

Remote Desktop Protocol 3389

NTP

Network Time Protocol 123

SIP

Session Initiation Protocol 5060, 5061 VoIP

SMB/CIFS

Server Message Block/Common Internal File System 445 Folder/File/Printer sharing

POP

Post Office Protocol 110 Stores mail locally, changes not propagated back out. More vulnerable to email attachments. Contacts, Calendar, etc do not sync between devices.

IMAP

Internet Message Access Protocol 143 Email stays on server. Contacts, Calendar, etc do not sync between devices.

LDAP

Lightweight Directory Access Protocol 389 Insecure

LDAPS

Lightweight Directory Access Protocol Secure 636

H.323

Video+Audio Protocol 1720

ICMP

Internet Control Message Protocol. Returns status/error messages when attempting to communicate with a device. Eg. Ping uses ICMP to either return latency or to report that the destination is unreachable.

UDP

User Datagram Protocol. Loss-tolerating connections. When packets are missed they are not re-sent.

TCP

Transmission Control Protocol. Packets are numbered and missed packets are re-sent.

IP

Internet Protocol. Assigns a number address to a device for routing.

Connection-oriented Protocols

Packets are tracked and missed/dropped packets are re-sent. Eg TCP, https, SMTP

Connectionless oriented protocols

Packets are not tracked. Missed/dropped packets are not re-sent. Eg UDP, audio/video, multiplayer networking