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Network Plus Study

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Submitted By blackhat6969
Words 408
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Protocol
ARP

Port

Description
Address Resolution Protocol Resolves IP addresses to MAC addresses.

FTP SSH Telnet SMTP

20/21 22 23 25

File Transfer Protocol: 20 is for data/21 is for control. Secure Shell – Encrypts traffic on the wire, used for telnet and FTP. Remote connection using the command line, data sent in clear text, secured using SSH. Virtual terminal. Simple Mail Transport Protocol, used for transferring email between clients and SMTP servers. “Sends mail to the post office!”

TACACS+
Interacts with Kerberos

49

Terminal Access Controller Access-Control System+ Encrypts entire authentication process and is the preferred alternative to RADIUS.

DNS DHCP TFTP HTTP Kerberos POP3

53 67 69 80

Domain Name System, Resolves Host names to IP addresses Dynamic Host Configuration Protocol Trivial File Transfer Protocol (transfers small data) Hypertext Transfer Protocol – delivers HTML traffic

88/749 Authentication protocol, uses a KDC to issue timestamped tickets with 5 min expiry

110 119 123

Post Office Protocol version 3 “Pat the post man!!” Transfers email from email server to client

NNTP NTP

Network News Transfer Protocol – news groups/forums Network Time Protocol - time synchronisation

IMAP4

143

Internet Message Access Protocol Stores and organizes email on an email or SMTP server “organize mail at the post office”

HTTPS

443

Hypertext Transfer Protocol Secure *Hypertext transfer protocol over secure socket layer A SLL session using HTTP

SSL

443

Secure Sockets Layer, used to encrypt traffic such as telnet and FTP, combines with HTTP for secure session.

SNMP LDAP/TLS LDAP/SSL LDAP L2TP PPTP

161/162 Simple Network Management Protocol, used to manage and configure network devices, routers etc.

636

Lightweight Directory Access Protocol, used to communicate with Windows Active Directory, secured with TLS (Transport Layer Security) or (SSL) Lightweight Directory Access Protocol, used to make configuration changes to Active Directory. Layer two Tunneling Protocol, used with IPSec, secures a VPN tunnel for secure communications UDP - 1701 Point-to-Point Tunneling Protocol, used with VPNs TCP - 1723

389 1701 1723 1812

RADIUS

Remote Authentication Dial-in User Service, used for remote servers to authenticate users via a centralized server, eg..AOL, users connect via remote servers to AOL. They are then authenticated via the main AOL server. RADIUS only encrypts the password. Remote Desktop Protocol, also known as Terminal Services and Remote Desktop Service. Allows a client to remotely access another system, eg: A user can access and administer a server from home.

RDP
Terminal Services

3389

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