451/tcp sfs-smp-net Cray Network Semaphore server
453/tcp creativeserver CreativeServer
454/tcp contentserver ContentServer
455/tcp creativepartnr CreativePartnr
456/tcp macon-tcp macon-tcp
457/tcp scohelp scohelp
458/tcp appleqtc apple quick time
459/tcp ampr-rcmd ampr-rcmd
460/tcp skronk skronk
461/tcp datasurfsrv DataRampSrv
462/tcp datasurfsrvsec DataRampSrvSec
463/tcp alpes alpes
464/tcp kpasswd kpasswd
465/tcp smtps smtp protocol over TLS/SSL (was ssmtp)
466/tcp digital-vrc digital-vrc
467/tcp mylex-mapd mylex-mapd
468/tcp photuris proturis
469/tcp rcp Radio Control Protocol
470/tcp scx-proxy scx-proxy
471/tcp mondex Mondex
472/tcp ljk-login ljk-login
473/tcp hybrid-pop hybrid-pop
474/tcp tn-tl-w1 tn-tl-w1
475/tcp tcpnethaspsrv tcpnethaspsrv
476/tcp tn-tl-fd1 tn-tl-fd1
477/tcp ss7ns ss7ns
478/tcp spsc spsc
479/tcp iafserver iafserver
480/tcp iafdbase iafdbase
481/tcp ph Ph service
482/tcp bgs-nsi bgs-nsi
483/tcp ulpnet ulpnet
484/tcp integra-sme Integra Software Management Environment
485/tcp powerburst Air Soft Power Burst
486/tcp avian avian
487/tcp saft saft Simple Asynchronous File Transfer
488/tcp gss-http gss-http
489/tcp nest-protocol nest-protocol
490/tcp micom-pfs micom-pfs
491/tcp go-login go-login
492/tcp ticf-1 Transport Independent Convergence for FNA
493/tcp ticf-2 Transport Independent Convergence for FNA
494/tcp pov-ray POV-Ray
495/tcp intecourier intecourier
496/tcp pim-rp-disc PIM-RP-DISC
497/tcp dantz dantz
498/tcp siam siam
499/tcp iso-ill ISO ILL Protocol
500/tcp isakmp isakmp
501/tcp stmf STMF
502/tcp asa-appl-proto asa-appl-proto
503/tcp intrinsa Intrinsa
504/tcp citadel citadel
505/tcp mailbox-lm mailbox-lm
506/tcp ohimsrv ohimsrv
507/tcp crs crs
508/tcp xvttp xvttp
509/tcp snare snare
510/tcp fcp FirstClass Protocol
511/tcp passgo PassGo
512/tcp exec remote process execution;
513/tcp login remote login a la telnet;
514/tcp shell cmd
515/tcp printer spooler
516/tcp videotex videotex
517/tcp talk like tenex link, but across
518/tcp ntalk
519/tcp utime unixtime
520/tcp efs extended file name server
521/tcp ripng ripng
522/tcp ulp ULP
523/tcp ibm-db2 IBM-DB2
524/tcp ncp NCP
525/tcp timed timeserver
526/tcp tempo newdate
527/tcp stx Stock IXChange
528/tcp custix Customer IXChange
529/tcp irc-serv IRC-SERV
530/tcp courier rpc
531/tcp conference chat
532/tcp netnews readnews
533/tcp netwall for emergency broadcasts
534/tcp mm-admin MegaMedia Admin
535/tcp iiop iiop
536/tcp opalis-rdv opalis-rdv
537/tcp nmsp Networked Media Streaming Protocol
538/tcp gdomap gdomap
539/tcp apertus-ldp Apertus Technologies Load Determination
540/tcp uucp uucpd
541/tcp uucp-rlogin uucp-rlogin
542/tcp commerce commerce
543/tcp klogin
544/tcp kshell krcmd
545/tcp appleqtcsrvr appleqtcsrvr
546/tcp dhcpv6-client DHCPv6 Client
547/tcp dhcpv6-server DHCPv6 Server
548/tcp afpovertcp AFP over TCP
549/tcp idfp IDFP
550/tcp new-rwho new-who
551/tcp cybercash cybercash
552/tcp deviceshare deviceshare
553/tcp pirp pirp
554/tcp rtsp Real Time Stream Control Protocol
555/tcp dsf
556/tcp remotefs rfs server
557/tcp openvms-sysipc openvms-sysipc
558/tcp sdnskmp SDNSKMP
559/tcp teedtap TEEDTAP
560/tcp rmonitor rmonitord
561/tcp monitor
562/tcp chshell chcmd
563/tcp nntps nntp protocol over TLS/SSL (was snntp)
564/tcp 9pfs plan 9 file service
565/tcp whoami whoami
566/tcp streettalk streettalk
567/tcp banyan-rpc banyan-rpc
568/tcp ms-shuttle microsoft shuttle
569/tcp ms-rome microsoft rome
570/tcp meter demon
571/tcp meter udemon
572/tcp sonar sonar
573/tcp banyan-vip banyan-vip
574/tcp ftp-agent FTP Software Agent System
575/tcp vemmi VEMMI
576/tcp ipcd ipcd
577/tcp vnas vnas
578/tcp ipdd ipdd
579/tcp decbsrv decbsrv
581/tcp bdp Bundle Discovery Protocol
588/tcp cal CAL
589/tcp eyelink EyeLink
590/tcp tns-cml TNS CML
593/tcp http-rpc-epmap HTTP RPC Ep Map
594/tcp tpip TPIP
596/tcp smsd SMSD
599/tcp acp Aeolon Core Protocol
600/tcp ipcserver Sun IPC server