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31 Cards in this Set
- Front
- Back
Port - 7 |
Echo - Tcp or UDP - Echo - Testing round-trip times between hosts. |
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Port - 19 |
CHARGEN - TCP or UDP - Character Generator - Testing and debugging. |
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Port - 21 |
FTP - TCP - File Transfer Protocol - Transfers files from host to host. |
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Port - 22 |
SSH - TCP or UDP - Secure Shell - Remotely administers network devices and Unix/Linux systems. Also used by Secure Copy(SCP) and Secure FTP(SFTP), which both use TCP as the transport mechanism. |
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Port - 23 |
Telnet - TCP or UDP - TErminal NETwork - Remotely administers network devices (deprecated). |
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Port - 25 |
SMTP - TCP - Simple Mail Transfer Protocol - Sends e-mail. |
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Port - 49 |
TACACS+ - TCP - Terminal Access Controller Access-Control System Plus - Remote authentication - Can also use UDP, but TCP is the default. Compare to RADIUS. |
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Port - 53 |
DNS - TCP or UDP - Doman Name System - Resolves hostnames to IP addresses and vice-versa. |
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Port - 69 |
TFTP - UDP - Trivial File Transfer Protocol - Basic version of FTP. |
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Port - 80 |
HTTP - TCP - Hypertext Transfer Protocol - Transmits web page data. |
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Port - 88 |
Kerberos - TCP or UDP - Network Authentication, uses tickets. |
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Port - 110 |
POP3 - TCP - Post Office Protocol Version 3 - Receives e-mail. |
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Port - 119 |
NNTP - TCP - Network News Transfer Protocol - Transports Usenet articles. |
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Port - 135 |
RPC/epmap/dcom-scm - TCP or UDP - Microsoft End Point Mapper/ DCE Endpoint Resolution - Used to locate DCOM ports. Also known as RPC (Remote Procedure Call). |
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Port 137-139 |
NetBIOS - TCP or UDP - NetBIOS Name. Datagram and Session Services, respectively - Name querying, sending data. NetBIOS connections. |
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Port - 143 |
IMAP - TCP - Internet Message Access Protocol - Remotely monitor network devices. |
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Port - 161 |
SNMP - UDP - Simple Network Management Protocol - Remotely monito network devices. |
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Port - 162 |
SNMPTRAP - TCP or UDP - Simple Network Management Protocol TRAP - Traps and InformRequests are sent to the SNMP Manager on this port. |
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Port - 389 |
LDAP - TCP or UDP - Lightweight Directory Access Protocol - Maintains directories of users and other objects. |
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Port - 443 |
HTTPS - TCP - Hypertext Transfer Protocol Secure - Secure transfer of hypertext through web pages (uses TLS or SSL). |
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Port - 445 |
SMB - TCP - Server Message Block - Provides Shared access to files and other resources. |
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Port - 514 |
Syslog - UDP - Syslog Protocol - Used for computer message logging, especially for router and firewall logs. A secure version (Syslog over TLS) uses TCP as the transport mechanism and port 6514. |
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Port - 636 |
LDAP over TLS/SSL - TCP or UDP - Lightweight Directory Access Protocol (Over TLS/SSL) - Secure version of LDAP. |
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Port - 860 |
iSCI - TCP - Internet Small Computer System Interface - IP - based protocol used for linking data storage facilities. Also uses port 3260 for the iSCI target. |
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Port - 989/990 |
FTPS - TCP or UDP - FTP Secure - Uses SSL/TLS to secure FTP Transmissions. 990 is the control port and 989 is the data port. |
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Port - 1433 |
Ms-sql-s - TCP - Microsoft SQL Server - Opens queries to SQL server. |
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Port - 1701 |
L2TP - UDP - Layer 2 Tunneling protocol - VPN protocol with no inherent security. Often used with IPsec. |
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Port - 1723 |
PPTP - TCP or UDP - Point-to-point Tunneling Protocol - VPN protocol with built in security. |
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Port - 1812/1813 |
RADIUS - UDP - Remote Authentication Dial-In User Service - An AAA protocol used for authentication (port 1812), authorization, and accounting (port 1813) of users that connect to networks and network services. UDP is the default but as of 2012 cab use TCP as well. Compare with TACACS+. Other common ports include 1645 and 1646. |
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Port - 3225 |
FCIP - TCP or UDP - Fibre Channel over Internet Protocol - Encapsulates Fibre Channel frames within TCP/IP packets. Contrast with Fibre Channel over Ethernet (FCoE), which relies on the data link layer and doesn't rely directly on TCP/IP. |
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Port - 3389 |
RDP - TCP or UDP - Remote Desktop Protocol (Microsoft Terminal Server) - Remotely views and controls other Windows systems. |