Summary of ports in Linux

Summary of the ports in the Linux operating system-Linux Enterprise Application-Linux server application information. Famous Port

1 tcpmux TCP port service multiplexing

5. Objective E Remote job portal

7. echo Service

9 discard is an empty service used for connection Testing

11 systat is used to list the system status of the connected port.

13 daytime send date and time to the Request Host

17 qotd sends daily aphorism to connected hosts

18. msp message sending protocol

19 chargen character generation service; send endless ghost streams

20 ftp-data FTP data port

21. The ftp port is used by the file service protocol (FSP ).

22. ssh Secure Shell (SSH) Service

23 telnet

25 smtp Simple Mail Transfer Protocol (SMTP)

37 time protocol

39 rlp resource locating Protocol

42 nameserver Internet Name Service

43 nicname WHOIS Directory Service

49 tacacs is used to access the access control system of the Terminal Access Controller Based on TCP/IP authentication and access.

50 re-mail-ck remote email check protocol

53 domain Name Service (such as BIND)

63 whois ++ WHOIS ++, the extended WHOIS Service

67 bootps Boot Protocol (BOOTP) service; also used by Dynamic Host Configuration Protocol (DHCP) Service

68 bootpc Bootstrap (BOOTP) customers; also used by Dynamic Host Configuration Protocol (DHCP) Customers

69 tftp small File Transfer Protocol (TFTP)

70 gopher Gopher Internet document search and retrieval

71 netrjs-1 remote job service

72 netrjs-2 remote job service

73 netrjs-3 remote job service

73 netrjs-4 remote job service

79 finger: Finger service for user contact information

80 http Hypertext Transfer Protocol (HTTP) for the World Wide Web (WWW) Service)

88 kerberos Kerberos network verification system

95 supdup Telnet protocol Extension

101 hostname host name service on the SRI-NIC Machine

102 iso-tsap ISO Development Environment (ISODE) network applications

105 csnet-ns email name server; also used by CSO Name Server

107 rtelnet remote Telnet

109 pop2 Post Office Protocol Version 2

110 pop3 Post Office Protocol Version 3

111 The Remote Procedure Call (RPC) protocol used by sunrpc for remote command execution is used by the Network File System (NFS ).

113 auth authentication and identity authentication protocols

115 sftp Secure File Transfer Protocol (SFTP) Service

117 uucp-path: Unix-to-Unix CoPy protocol (UUCP) path Service

119 nntp used in USENET to discuss the system's network news transmission Protocol (NNTP)

123 ntp Network Time Protocol (NTP)

137 netbios-ns NETBIOS Name Service used by Samba in Red Hat Enterprise Linux

138 netbios-dgm NETBIOS datagram service used by Samba in Red Hat Enterprise Linux

139 netbios-ssn is a net bios session service used by Samba in Red Hat Enterprise Linux.

143 imap Internet Message Access Protocol (IMAP)

161 snmp Simple Network Management Protocol (SNMP)

162 snmptrap SNMP Trap

163 cmip-man General Management Information Protocol (CMIP)

164 cmip-agent Common Management Information Protocol (CMIP)

174 mailq MAILQ

177 xdmcp X Display Manager Control Protocol

178 nextstep NeXTStep window Server

179 bgp border network protocol

191 prospero Cliffod noran's Prospero Service

194 irc Internet Relay Chat (IRC)

199 smux snmp unix multiplexing

201 at-rtmp AppleTalk Routing

202 at-nbp AppleTalk name binding

204 at-echo AppleTalk echo service

206 at-zis AppleTalk block information

209 qmtp fast mail Transmission Protocol (QMTP)

210 z39.50 NISO Z39.50 database

213 ipx Interconnected Network Group Exchange Protocol (IPX), which is commonly used by Novell Netware.

220 imap3 Internet Message Access Protocol Version 3

245 link LINK

347 fatserv Fatmen Server

363 rsvp_tunnel RSVP Tunnel

369 rpc2portmap Coda file system Port er

370 codaau2coda file system verification service

372 ulistproc UNIX Listserv

389 ldap Lightweight Directory Access Protocol (LDAP)

427 svrloc Service Location Protocol (SLP)

434 mobileip-agent removable Internet Protocol (IP) proxy

435 Protocol IP-mn Internet Protocol (IP) Manager

443 https Secure Hypertext Transfer Protocol (HTTP)

444 snpp small network paging protocol

445 microsoft-ds Server Message Block (SMB) through TCP/IP)

464 kpasswd Kerberos password and key change service

468 photuris Photuris Session Key Management Protocol

487 simple asymmetric File Transfer (saft) Protocol

488 gss-http Common Security Service for HTTP (GSS)

496 pim-rp-disc is used for Protocol Independent multi-access propagation (PIM) Service assembly point discovery (RP-DISC)

500 isakmp Internet Security Association and Key Management Protocol (ISAKMP)

535 iiop Internet internal Object Request proxy protocol (IIOP)

538 gdomap GNUstep distributed object Er (GDOMAP)

546 dhcpv6-client Dynamic Host Configuration Protocol (DHCP) version 6 customer

547 dhcpv6-server Dynamic Host Configuration Protocol (DHCP) version 6 Service

554 rtsp real-time stream play protocol (RTSP)

563 nntps network news transmission protocol (NNTPS) through the Secure Socket Layer)

565 whoami

587 submission mail message submission proxy (MSA)

610 npmp-local network peripheral Management Protocol (NPMP) local/distributed queuing system (DQS)

611 npmp-gui network peripheral Management Protocol (NPMP) GUI/distributed queuing system (DQS)

612 hmmp -ind HMMP directive/DQS

631 ipp Internet Printing Protocol (IPP)

636 ldaps light Directory Access Protocol (LDAPS) through Secure Sockets Layer)

674 acap application configuration Access Protocol (ACAP)

694 ha-cluster is used for heartbeat services with high availability clusters

749 "kadmin" Database Management for kerberos version 5 (v5) of Kerberos-adm

750 kerberos-iv Kerberos version 4 (v4) Service

765 webster Network Dictionary

767 phonebook network phone book

873 rsync File Transfer Service

992 telnets Telnet (TelnetS) through the Secure Socket Layer)

993 imaps Internet Message Access Protocol (IMAPS) through Secure Sockets Layer)

994 ircs Internet Relay Chat (IRCS) through Secure Sockets Layer)

995 pop3s Post Office Protocol Version 3 (POPS3) through the Secure Socket Layer)

　　

UNIX-specific Port

512/tcp exec is used to verify remote processes.

512/udp biff [comsat] asynchronous mail customer (biff) and service (comsat)

513/tcp login remote Logon (rlogin)

513/udp who [whod] Login User List

514/tcp shell [cmd] Remote shell (rshell) and remote replication (rcp) that do not need to be logged on)

514/udp syslog UNIX System Log Service

515 printer [spooler] printer (lpr) off-line

517/udp talk remote conversation service and customer

518/udp ntalk network conversation (ntalk), remote conversation service and customer

519 utime [unixtime] UNIX time protocol (utime)

520/tcp efs extension file name server (EFS)

520/udp router [route, routed] Routing Information Protocol (RIP)

521 ripng route selection Information Protocol for Internet Protocol version 6 (IPv6)

525 timed [timeserver] Time daemon (timed)

526/tcp tempo [newdate] Tempo

530/tcp courier [rpc] Courier Remote Procedure Call (RPC) Protocol

531/tcp conference [chat] Internet Relay chat

532 netnews Netnews

533/udp netwall Netwall for Emergency Broadcast

540/tcp uucp [uucpd] Unix-to-Unix replication service

543/tcp klogin Kerberos version 5 (v5) Remote Login

544/tcp kshell Kerberos version 5 (v5) Remote shell

548 afpovertcp Appletalk file preparation protocol (AFP) through the transmission control protocol (TCP)

556 remotefs [rfs_server, rfs] Brunhoff Remote File System (RFS)