InformationWeek. com News, analysis and research for business technology professionals, plus peertopeer knowledge sharing. Engage with our community. This is a list of TCP and UDP port numbers used by protocols of the transport layer of the Internet protocol suite for the establishment of hosttohost connectivity. TemplateRefimprove This is a list of Internet socket port numbers used by protocols of the transport layer of the Internet Protocol Suite for the establishment of. No more missed important software updates UpdateStar 11 lets you stay up to date and secure with the software on your computer. TCPUDP WikipediaTCPUDPTransmission Control Protocol TCP User Datagram Protocol UDP Internet Assigned Numbers Authority IANA TCPUDP1IANAIANA 01. TCPUDP0. NANAIn programming APIs not in communication between hosts, requests a system allocated dynamic port23NA0. UDP1. TCPUDPTCP Port Service Multiplexer TCPMUX2. TCPUDPCompress. NET4 Management Utility53. TCPUDPCompress. NET4 Compression Process64. TCPUDP5. TCPUDPRemote Job Entry6. TCPUDP7. TCPUDPEcho Protocol8. If youre looking for Microsoft Dynamics CRM Interview Questions for Experienced Freshers, you are at right place. There are lot of opportunities from many reputed. TCPUDP9. TCPUDPDiscard Protocol9. UDPWake on LAN1. TCPUDP1. TCPUDPActive Users systat service781. TCPUDP1. 3TCPUDPDaytime Protocol RFC 8. TCPUDP1. 5TCPUDPPreviously netstat service71. TCPUDP1. 7TCPUDPQuote of the Day1. TCPUDPMessage send protocol2. TCPUDPFTP 2. UDPFTP 2. UDPSecure Shell SSH scpsftp2. TCPUDPTelnet 2. TCPUDPPriv mail, any private mail system2. TCPUDPSimple Mail Transfer Protocol SMTP, used for e mail routing between mail servers2. TCPUDP2. 7TCPUDPNSW User System FE2. TCPUDPMSG ICP3. TCPUDPDisplay Support Protocol3. TCPUDPAny private printer server protocol3. TCPUDPTIME protocol3. TCPUDPResource Location Protocol9 RLP used for determining the location of higher level services from hosts on a network4. TCPUDP4. 2TCPUDPARPA Host Name Server Protocol4. TCPUDPWindows Internet Name Service4. TCPUDPWHOIS protocol4. TCPUDPNI FTP4. 9TCPUDPTACACS Login Host protocol5. TCPUDPESP1. 05. TCPUDPIMP Logical Address Maintenance5. TCPUDPXNS Xerox Network Systems Time Protocol5. TCPUDPDomain Name System DNS5. TCPUDPXerox Network Systems XNS clearinghouse5. TCPUDPISI Graphics Language ISI GL5. TCPUDPXerox Network Systems XNS authentication5. TCPUDPRoute Access Protocol RAP1. TCPUDPAny private terminal access5. TCPUDPXerox Network Systems XNS Mail6. TCPUDPCI Travelport formerly Covia Comms Integrator6. TCPUDPBootstrap Protocol BOOTP server also used by Dynamic Host Configuration Protocol DHCP6. TCPUDPBootstrap Protocol BOOTP client also used by Dynamic Host Configuration Protocol DHCP6. TCPUDPTrivial File Transfer Protocol TFTP7. TCPUDPGopher protocol7. TCPUDPNETRJS protocol7. TCPUDPAny private Remote Job Entry7. TCPUDPFinger protocol8. UDPHypertext Transfer Protocol HTTP1. UDPQUIC from Chromium for HTTP8. TCPTorparkonion routing8. UDPTorpark control8. TCPUDPKerberos authentication system9. TCPUDPdnsix Do. D Network Security for Information Exchange Security Attribute Token Map9. TCPUDPPoint. Cast dotcom9. TCPWIP Message protocol1. UDPCyber. Gate RAT protocol1. TCPUDPNIChost name1. TCPUDPISO Transport Service Access Point TSAP Class 0 protocol 1. Digital Equipment Corporation. DECnet Phase V over TCPIP1. TCPUDPACRNEMADigital Imaging and Communications in Medicine DICOM1. TCPUDPCCSO Nameserver Protocol QiPh1. TCPUDPRemote TELNET Service1. TCPUDPSNA Gateway Access Server11. TCPUDPPost Office Protocol v. POP21. 10. TCPUDPPost Office Protocol v. POP31. 11. TCPUDPONC RPC Sun. RPC1. 13. TCPIdent, authentication serviceidentification protocol,1. IRC servers to identify users1. UDPAuthentication Service1. TCPSimple File Transfer Protocol1. Jeremy Robinson Facebook here. STDUUCPPath Service1. TCPUDPStructured Query Language SQL Services1. TCPNetwork News Transfer Protocol NNTP, retrieval of newsgroup messages1. TCPUDPNetwork Time Protocol NTP, used for time synchronization1. TCPUDPFormerly Unisys Unitary Login, renamed by Unisys to NXEdit. Used by Unisys Programmers Workbench for Clearpath MCP, an IDE for Unisys MCP software development1. TCPUDPDCEendpoint resolution1. TCPUDPMicrosoft EPMAP End Point Mapper, also known as DCERPC Locator service,1. DHCP server, DNS server and WINS. Also used by DCOM1. TCPUDPNet. BIOS Name Service1. TCPUDPNet. BIOS Datagram Service1. TCPUDPNet. BIOS Session Service1. TCPInternet Message Access Protocol IMAP, management of email messages1. TCPUDPBackground File Transfer Program BFTP1. TCPUDPSimple Gateway Monitoring Protocol SGMP1. TCPUDPSQL Service1. TCPUDPDistributed Mail Service Protocol DMSP1. UDPSimple Network Management Protocol SNMP1. TCPUDPSimple Network Management Protocol Trap SNMPTRAP1. TCPPrint srv, Network Post. Script1. 75. TCPVMNET IBM zVM, zOS zVSE Network Job Entry NJE1. TCPUDPX Display Manager Control Protocol XDMCP1. TCPBorder Gateway Protocol BGP1. TCPUDPInternet Relay Chat IRC1. TCPUDPSMUX, SNMP Unix Multiplexer2. TCPUDPApple. Talk Routing Maintenance2. TCPUDPQuick Mail Transfer Protocol2. TCPUDPANSIZ3. 9. 5. TCPUDPInternetwork Packet Exchange IPX2. TCPUDPMessage posting protocol MPP2. TCPUDPInternet Message Access Protocol IMAP, version 32. TCPUDPEfficient Short Remote Operations ESRO2. TCPUDPArcisdms2. TCPUDPBorder Gateway Multicast Protocol BGMP2. TCPUDPhttp mgmt3. TCPThin. Linc Web Access3. TCPNovastor Online Backup3. TCPmac. OS Server Admin ly Apple. Share IP Web administration3. TCPUDPPKIX Time Stamp Protocol TSP3. UDPPrecision Time Protocol PTP event messages3. UDPPrecision Time Protocol PTP general messages3. TCPUDPMapping of Airline Traffic over Internet Protocol MATIP type A3. TCPUDPMATIP type B3. TCPUDPcloanto net 1 used by Cloanto Amiga Explorer and VMs3. TCPUDPOn Demand Mail Relay ODMR3. TCPUDPRpc. 2portmap3. TCPcodaauth. 2, Coda authentication server3. UDPcodaauth. 2, Coda authentication server3. UDPsecurecast. 1, outgoing packets to NAIs Secure. Cast servers2. 02. TCPUDPClear. Case albd3. TCPUDPHP data alarm manager3. TCPUDPA Remote Network Server System3. TCPUDPAURP, Apple. Talk Update based Routing Protocol2. TCPUDPLightweight Directory Access Protocol LDAP3. TCPUDPDigital Equipment Corporation. DECnet Phase V over TCPIP4. TCPUDPUninterruptible power supply UPS4. TCPUDPService Location Protocol SLP4. TCPUDPNNSP, part of Network News Transfer Protocol4. TCPUDPMobile IP Agent RFC 5. UDPHypertext Transfer Protocol over TLSSSL HTTPS4. UDPQUIC from Chromium for HTTPS4. TCPUDPSimple Network Paging Protocol SNPP, RFC 1. TCPMicrosoft DS Active Directory, Windows shares4. TCPMicrosoft DS SMB file sharing4. TCPUDPKerberos ChangeSet password4. TCPURL Rendezvous Directory for SSM Cisco protocol4. TCPSimple Mail Transfer Protocol over TLSSSL SMTPS4. TCPUDPtcpnethaspsrv, Aladdin Knowledge Systems Hasp services4. TCPGO Global remote access and application publishing software4. TCPDantz Retrospect5. TCPUDPInternet Security Association and Key Management Protocol ISAKMP5. TCPUDPModbus Protocol5. TCPUDPCitadel, multiservice protocol for dedicated clients for the Citadel groupware system5. TCPUDPFirst. Class Protocol FCP, used by First. Class clientserver groupware system5. TCPRexec, Remote Process Execution5. UDPcomsat, together with biff5. TCPrlogin5. 13. UDPWho2.