Dion Ports
Port 110
POP3 - Post Office Protocol version 3 (TCP) is used to receive email from a mail server
Port 995
POP3 with SSL/TLS - Post Office Protocol version 3 (TCP) is used to receive email from a mail server using an SSL/TLS encrypted connection
Port 1723
PPTP - Point to Point Tunneling Protocol (TCP/UDP) is used as an underlying VPN protocol with built-in security
Ports 1645/1646
RADIUS (alternative) Remote Authentication Dial-In User Service (UDP) is used for authentication and authorization (1645) and accounting (1646)
Ports 1812/1813
RADIUS - Remote Authentication Dial-In User Service (UDP) is used for authentication (1812) and accounting (1813)
Port 3389
RDP - Remote Desktop Protocol (TCP/UDP) is used to remotely view and control other Windows systems via a Graphical User Interface (GUI)
Port 135
RPC/DCOM-scm - Remote Procedure Call (TCP/UDP) is used to locate DCOM ports to request a service from a program on another computer on the network
Port 445
SMB - Server Message Block (TCP) is used to provide shared access to files and other resources on a network
Port 25
SMTP - Simple Mail Transfer Protocol (TCP) is used to send email over internet
Ports 465/587
SMTP with SSL/TLS - Simple Mail Transfer Protocol (TCP) is used to send email over the internet with an SSL and TLS secured connection
Port 161
SNMP - Simple Network Management Protocol (UDP) is used to remotely monitor network devices
Port 162
SNMP Trap (TCP/UDP) is used to send Trap and InformRequests to the SNMP Manager on a network
Port 22
SSH, SCP, SFTP - Secure shell/Secure Copy/Secure File Transfer Protocol (TCP/UDP) - SSH is used to remotely administer network devices and systems. SCP is used for secure copy. SFTP is used for secure FTP
Port 23
Telnet (TCP/UDP) is an unencrypted method to remotely administer network devices (should not be used)
Port 3260
iSCI Target (TCP) is a listening port for an iSCI targeted device when linking data storage facilities over IP
Port 860
iSCSI - Internet Small Computer System Interface (TCP) is an IP-based protocol used for lining data storage facilities
Port 1433
ms-sql-s - Microsoft SQL Server (TCP) is used to receive SQL database queries from clients
Ports 137-139
NetBIOS (TCP/UDP) Used to conduct name querying, sending of data, and other functions over a NetBIOS connection
Port 3225
FCIP - Fibre Channel Over Internet Protocol (TCP/UDP) is used to encapsulates Fibre Channel frames within TCP/IP packets
Port 21
FTP - File Transfer Protocol (TCP) is used to transfer files from host to host
Port 119
NNTP - Network News Transfer Protocol (TCP) is used to transport Usenet articles
Port 80
HTTP - Hyper Text Transfer Protocol (TCP) is used to transmit web page data to a client for unsecured web browsing
Port 443
HTTPS - Hyper Text Transfer Protocol Secure (TCP) is used to transmit web page data to a client over an SSL/TLS encrypted connection
Port 143
IMAP - Internet Message Access Protocol (TCP) is used to receive email from a mail server with more features than POP3
Port 993
IMAP4 with SSL/TLS - Internet Message Access Protocol (TCP) is used to receive email from a mail server over an SSL/TLS encrypted connection
Port 88
Kerberos (TCP/UDP) used for network authentication using a system of tickets within a Windows domain
Port 1701
L2TP - Layer 2 Tunneling Protocol (UDP) is used as an underlying VPN protocol but has no inherent security
Port 389
LDAP - Lightweight Directory Access Protocol (TCP/UDP) is used to maintain directories of users and other objects
Port 636
LDAP SSL/TLS (TCP/UDP) is used to maintain directories of users and other objects over an encrypted SSL/TLS connection
Ports 989/990
FTPS - File Transfer Protocol Secure (TCP) is used to transfer files from host to host over an encrypted connection
Port 53
DNS - Domain Name Server (TCP/UDP) is used to resolve host names to IPs and IPs to hostnames
Port 3868
Diameter (TCP) is a more advanced AAA protocol that is a replacement for RADIUS
Port 514
Syslog (UDP) is used to conduct computer message logging, especially for routers and firewall logs
Port 6514
Syslog over TLS (TCP) is used to conduct computer message logging, especially for routers and firewall logs, over a TLS encrypted connection
Port 69
TFTP - Trivial File Transfer Protocol (UDP) is used as a simplified version of FTP to put a file on a remote host, or get a file from a remote host
