Online Technical Library
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Space Weather Information
We've all wanted to blame network or server performance on Solar Flares! Well, Here's your chance. CIT maintains a comprehensive geomagnetic and solar information center. You can access this information through our Space Weather Information Page. And, yes, it could be what's causing your problems.
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Well Known Ports List
Keyword Decimal Description -------- -------- ------------ 0/tcp Reserved 0/udp Reserved tcpmux 1/tcp TCP Port Service Multiplexer tcpmux 1/udp TCP Port Service Multiplexer compressnet 2/tcp Management Utility compressnet 2/udp Management Utility compressnet 3/tcp Compression Process compressnet 3/udp Compression Process # 4/tcp Unassigned # 4/udp Unassigned rje 5/tcp Remote Job Entry rje 5/udp Remote Job Entry # 6/tcp Unassigned # 6/udp Unassigned echo 7/tcp Echo echo 7/udp Echo # 8/tcp Unassigned # 8/udp Unassigned discard 9/tcp Discard discard 9/udp Discard # 10/tcp Unassigned # 10/udp Unassigned systat 11/tcp Active Users systat 11/udp Active Users # 12/tcp Unassigned # 12/udp Unassigned daytime 13/tcp Daytime daytime 13/udp Daytime # 14/tcp Unassigned # 14/udp Unassigned # 15/tcp Unassigned [was netstat] # 15/udp Unassigned # 16/tcp Unassigned # 16/udp Unassigned qotd 17/tcp Quote of the Day qotd 17/udp Quote of the Day msp 18/tcp Message Send Protocol msp 18/udp Message Send Protocol chargen 19/tcp Character Generator chargen 19/udp Character Generator ftp-data 20/tcp File Transfer [Default Data] ftp-data 20/udp File Transfer [Default Data] ftp 21/tcp File Transfer [Control] ftp 21/tcp File Transfer [Control] ssh 22/tcp SSH Remote Login Protocol ssh 22/udp SSH Remote Login Protocol telnet 23/tcp Telnet telnet 23/udp Telnet 24/tcp any private mail system 24/udp any private mail system smtp 25/tcp Simple Mail Transfer smtp 25/udp Simple Mail Transfer # 26/tcp Unassigned # 26/udp Unassigned nsw-fe 27/tcp NSW User System FE nsw-fe 27/udp NSW User System FE # 28/tcp Unassigned # 28/udp Unassigned msg-icp 29/tcp MSG ICP msg-icp 29/udp MSG ICP # 30/tcp Unassigned # 30/udp Unassigned msg-auth 31/tcp MSG Authentication msg-auth 31/udp MSG Authentication # 32/tcp Unassigned # 32/udp Unassigned dsp 33/tcp Display Support Protocol dsp 33/udp Display Support Protocol # 34/tcp Unassigned # 34/udp Unassigned 35/tcp any private printer server 35/udp any private printer server # 36/tcp Unassigned # 36/udp Unassigned time 37/tcp Time time 37/udp Time rap 38/tcp Route Access Protocol rap 38/udp Route Access Protocol rlp 39/tcp Resource Location Protocol rlp 39/udp Resource Location Protocol # 40/tcp Unassigned # 40/udp Unassigned graphics 41/tcp Graphics graphics 41/udp Graphics name 42/tcp Host Name Server name 42/udp Host Name Server nameserver 42/tcp Host Name Server nameserver 42/udp Host Name Server nicname 43/tcp Who Is nicname 43/udp Who Is mpm-flags 44/tcp MPM FLAGS Protocol mpm-flags 44/udp MPM FLAGS Protocol mpm 45/tcp Message Processing Module [recv] mpm 45/udp Message Processing Module [recv] mpm-snd 46/tcp MPM [default send] mpm-snd 46/udp MPM [default send] ni-ftp 47/tcp NI FTP ni-ftp 47/udp NI FTP auditd 48/tcp Digital Audit Daemon auditd 48/udp Digital Audit Daemon tacacs 49/tcp Login Host Protocol (TACACS) tacacs 49/udp Login Host Protocol (TACACS) re-mail-ck 50/tcp Remote Mail Checking Protocol re-mail-ck 50/udp Remote Mail Checking Protocol la-maint 51/tcp IMP Logical Address Maintenance la-maint 51/udp IMP Logical Address Maintenance xns-time 52/tcp XNS Time Protocol xns-time 52/udp XNS Time Protocol domain 53/tcp Domain Name Server domain 53/udp Domain Name Server xns-ch 54/tcp XNS Clearinghouse xns-ch 54/udp XNS Clearinghouse isi-gl 55/tcp ISI Graphics Language isi-gl 55/udp ISI Graphics Language xns-auth 56/tcp XNS Authentication xns-auth 56/udp XNS Authentication 57/tcp any private terminal access 57/udp any private terminal access xns-mail 58/tcp XNS Mail xns-mail 58/udp XNS Mail 59/tcp any private file service 59/udp any private file service 60/tcp Unassigned 60/udp Unassigned ni-mail 61/tcp NI MAIL ni-mail 61/udp NI MAIL acas 62/tcp ACA Services acas 62/udp ACA Services whois++ 63/tcp whois++ whois++ 63/udp whois++ covia 64/tcp Communications Integrator (CI) covia 64/udp Communications Integrator (CI) tacacs-ds 65/tcp TACACS-Database Service tacacs-ds 65/udp TACACS-Database Service sql*net 66/tcp Oracle SQL*NET sql*net 66/udp Oracle SQL*NET bootps 67/tcp Bootstrap Protocol Server bootps 67/udp Bootstrap Protocol Server bootpc 68/tcp Bootstrap Protocol Client bootpc 68/udp Bootstrap Protocol Client tftp 69/tcp Trivial File Transfer tftp 69/udp Trivial File Transfer gopher 70/tcp Gopher gopher 70/udp Gopher netrjs-1 71/tcp Remote Job Service netrjs-1 71/udp Remote Job Service netrjs-2 72/tcp Remote Job Service netrjs-2 72/udp Remote Job Service netrjs-3 73/tcp Remote Job Service netrjs-3 73/udp Remote Job Service netrjs-4 74/tcp Remote Job Service netrjs-4 74/udp Remote Job Service 75/tcp any private dial out service 75/udp any private dial out service deos 76/tcp Distributed External Object Store deos 76/udp Distributed External Object Store 77/tcp any private RJE service 77/udp any private RJE service vettcp 78/tcp vettcp vettcp 78/udp vettcp finger 79/tcp Finger finger 79/udp Finger http 80/tcp World Wide Web HTTP http 80/udp World Wide Web HTTP www 80/tcp World Wide Web HTTP www 80/udp World Wide Web HTTP www-http 80/tcp World Wide Web HTTP www-http 80/udp World Wide Web HTTP hosts2-ns 81/tcp HOSTS2 Name Server hosts2-ns 81/udp HOSTS2 Name Server xfer 82/tcp XFER Utility xfer 82/udp XFER Utility mit-ml-dev 83/tcp MIT ML Device mit-ml-dev 83/udp MIT ML Device ctf 84/tcp Common Trace Facility ctf 84/udp Common Trace Facility mit-ml-dev 85/tcp MIT ML Device mit-ml-dev 85/udp MIT ML Device mfcobol 86/tcp Micro Focus Cobol mfcobol 86/udp Micro Focus Cobol 87/tcp any private terminal link 87/udp any private terminal link kerberos 88/tcp Kerberos kerberos 88/udp Kerberos su-mit-tg 89/tcp SU/MIT Telnet Gateway su-mit-tg 89/udp SU/MIT Telnet Gateway ########### PORT 90 also being used unofficially by Pointcast ######### dnsix 90/tcp DNSIX Securit Attribute Token Map dnsix 90/udp DNSIX Securit Attribute Token Map mit-dov 91/tcp MIT Dover Spooler mit-dov 91/udp MIT Dover Spooler npp 92/tcp Network Printing Protocol npp 92/udp Network Printing Protocol dcp 93/tcp Device Control Protocol dcp 93/udp Device Control Protocol objcall 94/tcp Tivoli Object Dispatcher objcall 94/udp Tivoli Object Dispatcher supdup 95/tcp SUPDUP supdup 95/udp SUPDUP dixie 96/tcp DIXIE Protocol Specification dixie 96/udp DIXIE Protocol Specification swift-rvf 97/tcp Swift Remote Virtural File Protocol swift-rvf 97/udp Swift Remote Virtural File Protocol tacnews 98/tcp TAC News tacnews 98/udp TAC News metagram 99/tcp Metagram Relay metagram 99/udp Metagram Relay newacct 100/tcp [unauthorized use] hostname 101/tcp NIC Host Name Server hostname 101/udp NIC Host Name Server iso-tsap 102/tcp ISO-TSAP Class 0 iso-tsap 102/udp ISO-TSAP Class 0 gppitnp 103/tcp Genesis Point-to-Point Trans Net gppitnp 103/udp Genesis Point-to-Point Trans Net acr-nema 104/tcp ACR-NEMA Digital Imag. & Comm. 300 acr-nema 104/udp ACR-NEMA Digital Imag. & Comm. 300 cso 105/tcp CCSO name server protocol cso 105/tcp CCSO name server protocol csnet-ns 105/tcp Mailbox Name Nameserver csnet-ns 105/udp Mailbox Name Nameserver 3com-tsmux 106/tcp 3COM-TSMUX 3com-tsmux 106/udp 3COM-TSMUX rtelnet 107/tcp Remote Telnet Service rtelnet 107/udp Remote Telnet Service snagas 108/tcp SNA Gateway Access Server snagas 108/udp SNA Gateway Access Server pop2 109/tcp Post Office Protocol - Version 2 pop2 109/udp Post Office Protocol - Version 2 pop3 110/tcp Post Office Protocol - Version 3 pop3 110/udp Post Office Protocol - Version 3 sunrpc 111/tcp SUN Remote Procedure Call sunrpc 111/udp SUN Remote Procedure Call mcidas 112/tcp McIDAS Data Transmission Protocol mcidas 112/udp McIDAS Data Transmission Protocol ident 113/tcp auth 113/tcp Authentication Service auth 113/udp Authentication Service audionews 114/tcp Audio News Multicast audionews 114/udp Audio News Multicast sftp 115/tcp Simple File Transfer Protocol sftp 115/udp Simple File Transfer Protocol ansanotify 116/tcp ANSA REX Notify ansanotify 116/udp ANSA REX Notify uucp-path 117/tcp UUCP Path Service uucp-path 117/udp UUCP Path Service sqlserv 118/tcp SQL Services sqlserv 118/udp SQL Services nntp 119/tcp Network News Transfer Protocol nntp 119/udp Network News Transfer Protocol cfdptkt 120/tcp CFDPTKT cfdptkt 120/udp CFDPTKT erpc 121/tcp Encore Expedited Remote Pro.Call erpc 121/udp Encore Expedited Remote Pro.Call smakynet 122/tcp SMAKYNET smakynet 122/udp SMAKYNET ntp 123/tcp Network Time Protocol ntp 123/udp Network Time Protocol ansatrader 124/tcp ANSA REX Trader ansatrader 124/udp ANSA REX Trader locus-map 125/tcp Locus PC-Interface Net Map Ser locus-map 125/udp Locus PC-Interface Net Map Ser unitary 126/tcp Unisys Unitary Login unitary 126/udp Unisys Unitary Login locus-con 127/tcp Locus PC-Interface Conn Server locus-con 127/udp Locus PC-Interface Conn Server gss-xlicen 128/tcp GSS X License Verification gss-xlicen 128/udp GSS X License Verification pwdgen 129/tcp Password Generator Protocol pwdgen 129/udp Password Generator Protocol cisco-fna 130/tcp cisco FNATIVE cisco-fna 130/udp cisco FNATIVE cisco-tna 131/tcp cisco TNATIVE cisco-tna 131/udp cisco TNATIVE cisco-sys 132/tcp cisco SYSMAINT cisco-sys 132/udp cisco SYSMAINT statsrv 133/tcp Statistics Service statsrv 133/udp Statistics Service ingres-net 134/tcp INGRES-NET Service ingres-net 134/udp INGRES-NET Service epmap 135/tcp DCE endpoint resolution epmap 135/udp DCE endpoint resolution rofile 136/tcp PROFILE Naming System profile 136/udp PROFILE Naming System netbios-ns 137/tcp NETBIOS Name Service netbios-ns 137/udp NETBIOS Name Service netbios-dgm 138/tcp NETBIOS Datagram Service netbios-dgm 138/udp NETBIOS Datagram Service netbios-ssn 139/tcp NETBIOS Session Service netbios-ssn 139/udp NETBIOS Session Service mfis-data 140/tcp EMFIS Data Service emfis-data 140/udp EMFIS Data Service emfis-cntl 141/tcp EMFIS Control Service emfis-cntl 141/udp EMFIS Control Service bl-idm 142/tcp Britton-Lee IDM bl-idm 142/udp Britton-Lee IDM imap 143/tcp Internet Message Access Protocol imap 143/udp Internet Message Access Protocol news 144/tcp NewS news 144/udp NewS uaac 145/tcp UAAC Protocol uaac 145/udp UAAC Protocol iso-tp0 146/tcp ISO-IP0 iso-tp0 146/udp ISO-IP0 iso-ip 147/tcp ISO-IP iso-ip 147/udp ISO-IP jargon 148/tcp Jargon jargon 148/udp Jargon aed-512 149/tcp AED 512 Emulation Service aed-512 149/udp AED 512 Emulation Service sql-net 150/tcp SQL-NET sql-net 150/udp SQL-NET hems 151/tcp HEMS hems 151/udp HEMS bftp 152/tcp Background File Transfer Program bftp 152/udp Background File Transfer Program sgmp 153/tcp SGMP sgmp 153/udp SGMP netsc-prod 154/tcp NETSC netsc-prod 154/udp NETSC netsc-dev 155/tcp NETSC netsc-dev 155/udp NETSC sqlsrv 156/tcp SQL Service sqlsrv 156/udp SQL Service knet-cmp 157/tcp KNET/VM Command/Message Protocol knet-cmp 157/udp KNET/VM Command/Message Protocol pcmail-srv 158/tcp PCMail Server pcmail-srv 158/udp PCMail Server nss-routing 159/tcp NSS-Routing nss-routing 159/udp NSS-Routing sgmp-traps 160/tcp SGMP-TRAPS sgmp-traps 160/udp SGMP-TRAPS snmp 161/tcp SNMP snmp 161/udp SNMP snmptrap 162/tcp SNMPTRAP snmptrap 162/udp SNMPTRAP cmip-man 163/tcp CMIP/TCP Manager cmip-man 163/udp CMIP/TCP Manager cmip-agent 164/tcp CMIP/TCP Agent smip-agent 164/udp CMIP/TCP Agent xns-courier 165/tcp Xerox xns-courier 165/udp Xerox s-net 166/tcp Sirius Systems s-net 166/udp Sirius Systems namp 167/tcp NAMP namp 167/udp NAMP rsvd 168/tcp RSVD rsvd 168/udp RSVD send 169/tcp SEND send 169/udp SEND print-srv 170/tcp Network PostScript print-srv 170/udp Network PostScript multiplex 171/tcp Network Innovations Multiplex multiplex 171/udp Network Innovations Multiplex cl/1 172/tcp Network Innovations CL/1 cl/1 172/udp Network Innovations CL/1 xyplex-mux 173/tcp Xyplex xyplex-mux 173/udp Xyplex mailq 174/tcp MAILQ mailq 174/udp MAILQ vmnet 175/tcp VMNET vmnet 175/udp VMNET genrad-mux 176/tcp GENRAD-MUX genrad-mux 176/udp GENRAD-MUX xdmcp 177/tcp X Display Manager Control Protocol xdmcp 177/udp X Display Manager Control Protocol nextstep 178/tcp NextStep Window Server NextStep 178/udp NextStep Window Server Bgp 179/tcp Border Gateway Protocol Bgp 179/udp Border Gateway Protocol Ris 180/tcp Intergraph Ris 180/udp Intergraph Unify 181/tcp Unify Unify 181/udp Unify Audit 182/tcp Unisys Audit SITP Audit 182/udp Unisys Audit SITP Ocbinder 183/tcp OCBinder Ocbinder 183/udp OCBinder Ocserver 184/tcp OCServer Ocserver 184/udp OCServer remote-kis 185/tcp Remote-KIS remote-kis 185/udp Remote-KIS kis 186/tcp KIS Protocol kis 186/udp KIS Protocol aci 187/tcp Application Communication Interface aci 187/udp Application Communication Interface mumps 188/tcp Plus Five's MUMPS mumps 188/udp Plus Five's MUMPS qft 189/tcp Queued File Transport qft 189/udp Queued File Transport gacp 190/tcp Gateway Access Control Protocol gacp 190/udp Gateway Access Control Protocol prospero 191/tcp Prospero Directory Service prospero 191/udp Prospero Directory Service osu-nms 192/tcp OSU Network Monitoring System osu-nms 192/udp OSU Network Monitoring System srmp 193/tcp Spider Remote Monitoring Protocol srmp 193/udp Spider Remote Monitoring Protocol irc 194/tcp Internet Relay Chat Protocol irc 194/udp Internet Relay Chat Protocol dn6-nlm-aud 195/tcp DNSIX Network Level Module Audit dn6-nlm-aud 195/udp DNSIX Network Level Module Audit dn6-smm-red 196/tcp DNSIX Session Mgt Module Audit Redir dn6-smm-red 196/udp DNSIX Session Mgt Module Audit Redir dls 197/tcp Directory Location Service dls 197/udp Directory Location Service dls-mon 198/tcp Directory Location Service Monitor dls-mon 198/udp Directory Location Service Monitor smux 199/tcp SMUX smux 199/udp SMUX src 200/tcp IBM System Resource Controller src 200/udp IBM System Resource Controller at-rtmp 201/tcp AppleTalk Routing Maintenance at-rtmp 201/udp AppleTalk Routing Maintenance at-nbp 202/tcp AppleTalk Name Binding at-nbp 202/udp AppleTalk Name Binding at-3 203/tcp AppleTalk Unused at-3 203/udp AppleTalk Unused at-echo 204/tcp AppleTalk Echo at-echo 204/udp AppleTalk Echo at-5 205/tcp AppleTalk Unused at-5 205/udp AppleTalk Unused at-zis 206/tcp AppleTalk Zone Information at-zis 206/udp AppleTalk Zone Information at-7 207/tcp AppleTalk Unused at-7 207/udp AppleTalk Unused at-8 208/tcp AppleTalk Unused at-8 208/udp AppleTalk Unused qmtp 209/tcp The Quick Mail Transfer Protocol qmtp 209/udp The Quick Mail Transfer Protocol z39.50 210/tcp ANSI Z39.50 z39.50 210/udp ANSI Z39.50 914c/g 211/tcp Texas Instruments 914C/G Terminal 914c/g 211/udp Texas Instruments 914C/G Terminal anet 212/tcp ATEXSSTR anet 212/udp ATEXSSTR ipx 213/tcp IPX ipx 213/udp IPX vmpwscs 214/tcp VM PWSCS vmpwscs 214/udp VM PWSCS softpc 215/tcp Insignia Solutions softpc 215/udp Insignia Solutions CAIlic 216/tcp Computer Associates Int'l License Server CAIlic 216/udp Computer Associates Int'l License Server Dbase 217/tcp dBASE Unix Dbase 217/udp dBASE Unix Mpp 218/tcp Netix Message Posting Protocol Mpp 218/udp Netix Message Posting Protocol Uarps 219/tcp Unisys ARPs Uarps 219/udp Unisys ARPs imap3 220/tcp Interactive Mail Access Protocol v3 imap3 220/udp Interactive Mail Access Protocol v3 fln-spx 221/tcp Berkeley rlogind with SPX auth fln-spx 221/udp Berkeley rlogind with SPX auth rsh-spx 222/tcp Berkeley rshd with SPX auth rsh-spx 222/udp Berkeley rshd with SPX auth cdc 223/tcp Certificate Distribution Center cdc 223/udp Certificate Distribution Center direct 242/tcp Direct direct 242/udp Direct sur-meas 243/tcp Survey Measurement sur-meas 243/udp Survey Measurement dayna 244/tcp Dayna dayna 244/udp Dayna link 245/tcp LINK link 245/udp LINK dsp3270 246/tcp Display Systems Protocol dsp3270 246/udp Display Systems Protocol subntbcst_tftp 247/tcp SUBNTBCST_TFTP subntbcst_tftp 247/udp SUBNTBCST_TFTP bhfhs 248/tcp bhfhs bhfhs 248/udp bhfhs # 249-255 Reserved rap 256/tcp RAP rap 256/udp RAP set 257/tcp Secure Electronic Transaction set 257/udp Secure Electronic Transaction yak-chat 258/tcp Yak Winsock Personal Chat yak-chat 258/udp Yak Winsock Personal Chat esro-gen 259/tcp Efficient Short Remote Operations esro-gen 259/udp Efficient Short Remote Operations openport 260/tcp Openport openport 260/udp Openport nsiiops 261/tcp IIOP Name Service over TLS/SSL nsiiops 261/udp IIOP Name Service over TLS/SSL arcisdms 262/tcp Arcisdms arcisdms 262/udp Arcisdms hdap 263/tcp HDAP hdap 263/udp HDAP # 264-279 Unassigned http-mgmt 280/tcp http-mgmt http-mgmt 280/udp http-mgmt personal-link 281/tcp Personal Link personal-link 281/udp Personal Link cableport-ax 282/tcp Cable Port A/X cableport-ax 282/udp Cable Port A/X # 283-308 Unassigned entrusttime 309/tcp EntrustTime entrusttime 309/udp EntrustTime bhmds 310/tcp bhmds bhmds 310/udp bhmds # 311-343 Unassigned pdap 344/tcp Prospero Data Access Protocol pdap 344/udp Prospero Data Access Protocol pawserv 345/tcp Perf Analysis Workbench pawserv 345/udp Perf Analysis Workbench zserv 346/tcp Zebra server zserv 346/udp Zebra server fatserv 347/tcp Fatmen Server fatserv 347/udp Fatmen Server csi-sgwp 348/tcp Cabletron Management Protocol csi-sgwp 348/udp Cabletron Management Protocol mftp 349/tcp mftp mftp 349/udp mftp matip-type-a 350/tcp ATIP Type A matip-type-a 350/udp MATIP Type A matip-type-b 351/tcp MATIP Type B matip-type-b 351/udp MATIP Type B # The following entry records an unassigned but widespread use bhoetty 351/tcp bhoetty (added 5/21/97) bhoetty 351/udp bhoetty dtag-ste-sb 352/tcp DTAG (assigned long ago) dtag-ste-sb 352/udp DTAG bhoedap4 352/tcp bhoedap4 (added 5/21/97) bhoedap4 352/udp bhoedap4 # 353 Unassigned bh611 354/tcp bh611 bh611 354/udp bh611 # 355-356 Unassigned bhevent 357/tcp bhevent bhevent 357/udp bhevent shrinkwrap 358/tcp Shrinkwrap shrinkwrap 358/udp Shrinkwrap tenebris_nts 359/tcp Tenebris Network Trace Service tenebris_nts 359/udp Tenebris Network Trace Service scoi2odialog 360/tcp scoi2odialog scoi2odialog 360/udp scoi2odialog semantix 361/tcp Semantix semantix 361/udp Semantix # 362-370 Unassigned clearcase 371/tcp Clearcase clearcase 371/udp Clearcase ulistproc 372/tcp ListProcessor ulistproc 372/udp ListProcessor legent-1 373/tcp Legent Corporation legent-1 373/udp Legent Corporation legent-2 374/tcp Legent Corporation legent-2 374/udp Legent Corporation hassle 375/tcp Hassle hassle 375/udp Hassle nip 376/tcp Amiga Envoy Network Inquiry Proto nip 376/udp Amiga Envoy Network Inquiry Proto tnETOS 377/tcp NEC Corporation tnETOS 377/udp NEC Corporation dsETOS 378/tcp NEC Corporation dsETOS 378/udp NEC Corporation is99c 379/tcp TIA/EIA/IS-99 modem client is99c 379/udp TIA/EIA/IS-99 modem client is99s 380/tcp TIA/EIA/IS-99 modem server is99s 380/udp TIA/EIA/IS-99 modem server hp-collector 381/tcp hp performance data collector hp-collector 381/udp hp performance data collector hp-managed-node 382/tcp hp performance data managed node hp-managed-node 382/udp hp performance data managed node hp-alarm-mgr 383/tcp hp performance data alarm manager hp-alarm-mgr 383/udp hp performance data alarm manager arns 384/tcp A Remote Network Server System arns 384/udp A Remote Network Server System ibm-app 385/tcp IBM Application ibm-app 385/udp IBM Application asa 386/tcp ASA Message Router Object Def. Asa 386/udp ASA Message Router Object Def. Aurp 387/tcp Appletalk Update-Based Routing Pro. Aurp 387/udp Appletalk Update-Based Routing Pro. unidata-ldm 388/tcp Unidata LDM Version 4 unidata-ldm 388/udp Unidata LDM Version 4 ldap 389/tcp Lightweight Directory Access Protocol ldap 389/udp Lightweight Directory Access Protocol uis 390/tcp UIS uis 390/udp UIS synotics-relay 391/tcp SynOptics SNMP Relay Port synotics-relay 391/udp SynOptics SNMP Relay Port synotics-broker 392/tcp SynOptics Port Broker Port synotics-broker 392/udp SynOptics Port Broker Port dis 393/tcp Data Interpretation System dis 393/udp Data Interpretation System embl-ndt 394/tcp EMBL Nucleic Data Transfer embl-ndt 394/udp EMBL Nucleic Data Transfer netcp 395/tcp NETscout Control Protocol netcp 395/udp NETscout Control Protocol netware-ip 396/tcp Novell Netware over IP netware-ip 396/udp Novell Netware over IP mptn 397/tcp Multi Protocol Trans. Net. Mptn 397/udp Multi Protocol Trans. Net. Kryptolan 398/tcp Kryptolan Kryptolan 398/udp Kryptolan iso-tsap-c2 399/tcp SO Transport Class 2 Non-Control over TCP iso-tsap-c2 399/udp ISO Transport Class 2 Non-Control over TCP work-sol 400/tcp Workstation Solutions work-sol 400/udp Workstation Solutions ups 401/tcp Uninterruptible Power Supply ups 401/udp Uninterruptible Power Supply genie 402/tcp Genie Protocol genie 402/udp Genie Protocol decap 403/tcp decap decap 403/udp decap nced 404/tcp nced nced 404/udp nced ncld 405/tcp ncld ncld 405/udp ncld imsp 406/tcp Interactive Mail Support Protocol imsp 406/udp Interactive Mail Support Protocol timbuktu 407/tcp Timbuktu timbuktu 407/udp Timbuktu prm-sm 408/tcp Prospero Resource Manager Sys. Man. prm-sm 408/udp Prospero Resource Manager Sys. Man. prm-nm 409/tcp Prospero Resource Manager Node Man. prm-nm 409/udp Prospero Resource Manager Node Man. Decladebug 410/tcp DECLadebug Remote Debug Protocol Decladebug 410/udp DECLadebug Remote Debug Protocol Rmt 411/tcp Remote MT Protocol Rmt 411/udp Remote MT Protocol synoptics-trap 412/tcp Trap Convention Port synoptics-trap 412/udp Trap Convention Port smsp 413/tcp SMSP smsp 413/udp SMSP infoseek 414/tcp InfoSeek infoseek 414/udp InfoSeek bnet 415/tcp BNet bnet 415/udp BNet silverplatter 416/tcp Silverplatter silverplatter 416/udp Silverplatter onmux 417/tcp Onmux onmux 417/udp Onmux hyper-g 418/tcp Hyper-G hyper-g 418/udp Hyper-G ariel1 419/udp Ariel smpte 420/tcp SMPTE smpte 420/udp SMPTE ariel2 421/tcp Ariel ariel2 421/udp Ariel ariel3 422/tcp Ariel ariel3 422/udp Ariel opc-job-start 423/tcp IBM Operations Planning and Control Start opc-job-start 423/udp IBM Operations Planning and Control Start opc-job-track 424/tcp IBM Operations Planning and Control Track opc-job-track 424/udp IBM Operations Planning and Control Track icad-el 425/tcp ICAD icad-el 425/udp ICAD smartsdp 426/tcp smartsdp smartsdp 426/udp smartsdp svrloc 427/tcp Server Location svrloc 427/udp Server Location ocs_cmu 428/tcp OCS_CMU ocs_cmu 428/udp OCS_CMU ocs_amu 429/tcp OCS_AMU ocs_amu 429/udp OCS_AMU utmpsd 430/tcp UTMPSD utmpsd 430/udp UTMPSD utmpcd 431/tcp UTMPCD utmpcd 431/udp UTMPCD iasd 432/tcp IASD iasd 432/udp IASD nnsp 433/tcp NNSP nnsp 433/udp NNSP mobileip-agent 434/tcp MobileIP-Agent mobileip-agent 434/udp MobileIP-Agent mobilip-mn 435/tcp MobilIP-MN mobilip-mn 435/udp MobilIP-MN dna-cml 436/tcp DNA-CML dna-cml 436/udp NA-CML comscm 437/tcp comscm comscm 437/udp comscm dsfgw 438/tcp dsfgw dsfgw 438/udp dsfgw dasp 439/tcp dasp dasp 439/udp dasp sgcp 440/tcp sgcp sgcp 440/udp sgcp decvms-sysmgt 441/tcp decvms-sysmgt decvms-sysmgt 441/udp decvms-sysmgt cvc_hostd 442/tcp cvc_hostd cvc_hostd 442/udp cvc_hostd https 443/tcp http protocol over TLS/SSL https 443/udp http protocol over TLS/SSL snpp 444/tcp Simple Network Paging Protocol snpp 444/udp imple Network Paging Protocol microsoft-ds 445/tcp Microsoft-DS microsoft-ds 445/udp Microsoft-DS ddm-rdb 446/tcp DDM-RDB ddm-rdb 446/udp DDM-RDB ddm-dfm 447/tcp DDM-RFM ddm-dfm 447/udp DDM-RFM ddm-byte 448/tcp DDM-BYTE ddm-byte 448/udp DDM-BYTE as-servermap 449/tcp AS Server Mapper as-servermap 449/udp AS Server Mapper tserver 450/tcp TServer tserver 450/udp TServer sfs-smp-net 451/tcp Cray Network Semaphore server sfs-smp-net 451/udp Cray Network Semaphore server sfs-config 452/tcp Cray SFS config server sfs-config 452/udp Cray SFS config server creativeserver 453/tcp CreativeServer creativeserver 453/udp CreativeServer contentserver 454/tcp ContentServer contentserver 454/udp ContentServer creativepartnr 455/tcp CreativePartnr creativepartnr 455/udp CreativePartnr macon-tcp 456/tcp macon-tcp macon-udp 456/udp macon-udp scohelp 457/tcp scohelp scohelp 457/udp scohelp appleqtc 458/tcp apple quick time appleqtc 458/udp apple quick time ampr-rcmd 459/tcp ampr-rcmd ampr-rcmd 459/udp ampr-rcmd skronk 460/tcp skronk skronk 460/udp skronk datasurfsrv 461/tcp DataRampSrv datasurfsrv 461/udp DataRampSrv datasurfsrvsec 462/tcp DataRampSrvSec datasurfsrvsec 462/udp DataRampSrvSec alpes 463/tcp alpes alpes 463/udp alpes kpasswd 464/tcp kpasswd kpasswd 464/udp kpasswd smtps 465/tcp smtp protocol over TLS/SSL (was ssmtp) smtps 465/udp smtp protocol over TLS/SSL (was ssmtp) digital-vrc 466/tcp digital-vrc digital-vrc 466/udp digital-vrc mylex-mapd 467/tcp ylex-mapd mylex-mapd 467/udp mylex-mapd photuris 468/tcp proturis photuris 468/udp proturis rcp 469/tcp Radio Control Protocol rcp 469/udp Radio Control Protocol scx-proxy 470/tcp scx-proxy scx-proxy 470/udp scx-proxy mondex 471/tcp Mondex mondex 471/udp Mondex ljk-login 472/tcp ljk-login ljk-login 472/udp ljk-login hybrid-pop 473/tcp hybrid-pop hybrid-pop 473/udp hybrid-pop tn-tl-w1 474/tcp tn-tl-w1 tn-tl-w2 474/udp tn-tl-w2 tcpnethaspsrv 475/tcp tcpnethaspsrv tcpnethaspsrv 475/tcp tcpnethaspsrv tn-tl-fd1 476/tcp tn-tl-fd1 tn-tl-fd1 476/udp tn-tl-fd1 ss7ns 477/tcp ss7ns ss7ns 477/udp ss7ns spsc 478/tcp spsc spsc 478/udp spsc iafserver 479/tcp iafserver iafserver 479/udp iafserver iafdbase 480/tcp iafdbase iafdbase 480/udp iafdbase ph 481/tcp Ph service ph 481/udp Ph service bgs-nsi 482/tcp bgs-nsi bgs-nsi 482/udp bgs-nsi ulpnet 483/tcp ulpnet ulpnet 483/udp ulpnet integra-sme 484/tcp Integra Software Management Environment integra-sme 484/udp Integra Software Management Environment powerburst 485/tcp Air Soft Power Burst powerburst 485/udp Air Soft Power Burst avian 486/tcp avian avian 486/udp avian saft 487/tcp saft Simple Asynchronous File Transfer saft 487/udp saft Simple Asynchronous File Transfer gss-http 488/tcp gss-http gss-http 488/udp ss-http nest-protocol 489/tcp nest-protocol nest-protocol 489/udp nest-protocol micom-pfs 490/tcp micom-pfs micom-pfs 490/udp micom-pfs go-login 491/tcp go-login go-login 491/udp go-login ticf-1 492/tcp Transport Independent Convergence for FNA ticf-1 492/udp Transport Independent Convergence for FNA ticf-2 493/tcp Transport Independent Convergence for FNA ticf-2 493/udp Transport Independent Convergence for FNA pov-ray 494/tcp POV-Ray pov-ray 494/udp POV-Ray intecourier 495/tcp intecourier intecourier 495/udp intecourier pim-rp-disc 496/tcp PIM-RP-DISC pim-rp-disc 496/udp PIM-RP-DISC dantz 497/tcp dantz dantz 497/udp dantz siam 498/tcp siam siam 498/udp siam iso-ill 499/tcp SO ILL Protocol iso-ill 499/udp ISO ILL Protocol isakmp 500/tcp isakmp isakmp 500/udp isakmp stmf 501/tcp STMF stmf 501/udp STMF asa-appl-proto 502/tcp asa-appl-proto asa-appl-proto 502/udp asa-appl-proto intrinsa 503/tcp Intrinsa intrinsa 503/udp Intrinsa citadel 504/tcp citadel citadel 504/udp citadel mailbox-lm 505/tcp mailbox-lm mailbox-lm 505/udp mailbox-lm ohimsrv 506/tcp ohimsrv ohimsrv 506/udp ohimsrv crs 507/tcp crs crs 507/ud pcrs xvttp 508/tcp xvttp xvttp 508/udp xvttp snare 509/tcp snare snare 509/udp snare fcp 510/tcp FirstClass Protocol fcp 510/udp FirstClass Protocol mynet 511/tcp mynet-as mynet 511/udp mynet-as exec 512/tcp remote process execution; authentication performed using passwords and UNIX login names comsat 512/udp biff 512/udp used by mail system to notify users of new mail received; currently receives messages only from processes on the same machine login 513/tcp remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributeddata bases which identify "authentication domains" who 513/udp maintains data bases showing who's logged in to machines on a local net and the load average of the machine shell 514/tcp cmd like exec, but automatic authentication is performed as for login server syslog 514/udp printer 515/tcp spooler printer 515/udp spooler videotex 516/tcp videotex videotex 516/udp videotex talk 517/tcp like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established) talk 517/udp like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established) ntalk 518/tcp ntalk 518/udp utime 519/tcp unixtime utime 519/udp unixtime efs 520/tcp extended file name server router 520/udp local routing process (on site); uses variant of Xerox NS routing information protocol - RIP ripng 521/tcp ripng ripng 521/udp ripng ulp 522/tcp ULP ulp 522/udp ULP ibm-db2 523/tcp IBM-DB2 ibm-db2 523/tcp IBM-DB2 ncp 524/tcp NCP ncp 524/udp NCP timed 525/tcp timeserver timed 525/udp timeserver tempo 526/tcp newdate tempo 526/udp newdate stx 527/tcp Stock IXChange stx 527/udp Stock IXChange custix 528/tcp Customer IXChange custix 528/udp Customer IXChange irc-serv 529/tcp IRC-SERV irc-serv 529/tcp IRC-SERV courier 530/tcp rpc courier 530/udp rpc conference 531/tcp chat conference 531/udp chat netnews 532/tcp readnews netnews 532/udp readnews netwall 533/tcp for emergency broadcasts netwall 533/udp for emergency broadcasts mm-admin 534/tcp MegaMedia Admin mm-admin 534/udp MegaMedia Admin iiop 535/tcp iiop iiop 535/udp iiop opalis-rdv 536/tcp opalis-rdv opalis-rdv 536/udp opalis-rdv nmsp 537/tcp Networked Media Streaming Protocol nmsp 537/udp Networked Media Streaming Protocol gdomap 538/tcp gdomap gdomap 538/udp gdomap apertus-ldp 539/tcp Apertus Technologies Load Determination apertus-ldp 539/udp Apertus Technologies Load Determination uucp 540/tcp uucpd uucp 540/udp uucpd uucp-rlogin 541/tcp uucp-rlogin uucp-rlogin 541/udp uucp-rlogin commerce 542/tcp commerce commerce 542/udp commerce klogin 543/tcp klogin 543/udp kshell 544/tcp krcmd kshell 544/udp krcmd appleqtcsrvr 545/tcp appleqtcsrvr appleqtcsrvr 545/udp appleqtcsrvr dhcpv6-client 546/tcp DHCPv6 Client dhcpv6-client 546/udp DHCPv6 Client dhcpv6-server 547/tcp DHCPv6 Server dhcpv6-server 547/udp DHCPv6 Server afpovertcp 548/tcp AFP over TCP/AppleShareIP afpovertcp 548/udp AFP over TCP idfp 549/tcp IDFP idfp 549/udp IDFP new-rwho 550/tcp new-who new-rwho 550/udp new-who cybercash 551/tcp cybercash cybercash 551/udp cybercash deviceshare 552/tcp deviceshare deviceshare 552/udp deviceshare pirp 553/tcp pirp pirp 553/udp pirp rtsp 554/tcp Real Time Stream Control Protocol rtsp 554/udp Real Time Stream Control Protocol dsf 555/tcp dsf 555/udp remotefs 556/tcp rfs server remotefs 556/udp rfs server openvms-sysipc 557/tcp openvms-sysipc openvms-sysipc 557/udp openvms-sysipc sdnskmp 558/tcp SDNSKMP sdnskmp 558/udp SDNSKMP teedtap 559/tcp TEEDTAP teedtap 559/udp TEEDTAP rmonitor 560/tcp rmonitord rmonitor 560/udp rmonitord monitor 561/tcp monitor 561/udp chshell 562/tcp chcmd chshell 562/udp chcmd nntps 563/tcp nntp protocol over TLS/SSL (was snntp) nntps 563/udp nntp protocol over TLS/SSL (was snntp) 9pfs 564/tcp plan 9 file service 9pfs 564/udp lan 9 file service whoami 565/tcp whoami whoami 565/udp whoami streettalk 566/tcp streettalk streettalk 566/udp streettalk banyan-rpc 567/tcp banyan-rpc banyan-rpc 567/udp banyan-rpc ms-shuttle 568/tcp microsoft shuttle ms-shuttle 568/udp microsoft shuttle ms-rome 569/tcp microsoft rome ms-rome 569/udp microsoft rome meter 570/tcp demon meter 570/udp demon meter 571/tcp udemon meter 571/udp udemon sonar 572/tcp sonar sonar 572/udp sonar banyan-vip 573/tcp banyan-vip banyan-vip 573/udp banyan-vip ftp-agent 574/tcp FTP Software Agent System ftp-agent 574/udp FTP Software Agent System vemmi 575/tcp VEMMI vemmi 575/udp VEMMI ipcd 576/tcp ipcd ipcd 576/udp ipcd vnas 577/tcp vnas vnas 577/udp vnas ipdd 578/tcp ipdd ipdd 578/udp ipdd decbsrv 579/tcp decbsrv decbsrv 579/udp decbsrv sntp-heartbeat 580/tcp SNTP HEARTBEAT sntp-heartbeat 580/udp SNTP HEARTBEAT bdp 581/tcp Bundle Discovery Protocol bdp 581/udp Bundle Discovery Protocol scc-security 582/tcp SCC Security scc-security 582/udp SCC Security philips-vc 583/tcp Philips Video-Conferencing philips-vc 583/udp Philips Video-Conferencing keyserver 584/tcp Key Server keyserver 584/udp Key Server imap4-ssl 585/tcp IMAP4+SSL (use 993 instead) imap4-ssl 585/udp IMAP4+SSL (use 993 instead) ########Use of 585 is not recommended, use 993 instead######## password-chg 586/tcp Password Change password-chg 586/udp password Change submission 587/tcp Submission submission 587/udp Submission cal 588/tcp CAL cal 588/udp CAL eyelink 589/tcp EyeLink eyelink 589/udp EyeLink tns-cml 590/tcp TNS CML tns-cml 590/udp TNS CML fmpro-http 591/tcp FMPRO4 - HTTP fmpro-http 591/udp FMPRO4 - HTTP eudora-set 592/tcp Eudora Set eudora-set 592/udp Eudora Set http-rpc-epmap 593/tcp HTTP RPC Ep Map http-rpc-epmap 593/tcp HTTP RPC Ep Map tpip 594/tcp TPIP tpip 594/udp TPIP cab-protocol 595/tcp CAB Protocol cab-protocol 595/udp CAB Protocol smsd 596/tcp SMSD smsd 596/udp SMSD # 597-598 Unassigned acp 599/tcp Aeolon Core Protocol acp 599/udp Aeolon Core Protocol ipcserver 600/tcp Sun IPC server ipcserver 600/udp Sun IPC server urm 606/tcp Cray Unified Resource Manager urm 606/udp Cray Unified Resource Manager nqs 607/tcp nqs nqs 607/udp nqs sift-uft 608/tcp Sender-Initiated/Unsolicited File Transfer sift-uft 608/udp Sender-Initiated/Unsolicited File Transfer npmp-trap 609/tcp npmp-trap npmp-trap 609/udp npmp-trap npmp-local 610/tcp npmp-local npmp-local 610/udp npmp-local npmp-gui 611/tcp npmp-gui npmp-gui 611/udp npmp-gui hmmp-ind 612/tcp HMMP Indication hmmp-ind 612/udp HMMP Indication hmmp-op 613/tcp HMMP Operation hmmp-op 613/udp HMMP Operation sshell 614/tcp SSLshell sshell 614/udp SSLshell sco-inetmgr 615/tcp Internet Configuration Manager sco-inetmgr 615/udp Internet Configuration Manager sco-sysmgr 616/tcp SCO System Administration Server sco-sysmgr 616/udp SCO System Administration Server sco-dtmgr 617/tcp SCO Desktop Administration Server sco-dtmgr 617/udp SCO Desktop Administration Server dei-icda 618/tcp DEI-ICDA dei-icda 618/udp DEI-ICDA digital-evm 619/tcp Digital EVM digital-evm 619/udp Digital EVM sco-websrvrmgr 620/tcp SCO WebServer Manager sco-websrvrmgr 620/udp SCO WebServer Manager escp-ip 621/tcp ESCP escp-ip 621/udp ESCP collaborator 622/tcp Collaborator collaborator 622/udp Collaborator aux_bus_shunt 623/tcp Aux Bus Shunt aux_bus_shunt 623/udp Aux Bus Shunt cryptoadmin 624/tcp Crypto Admin cryptoadmin 624/udp Crypto Admin dec_dlm 625/tcp DEC DLM dec_dlm 625/udp DEC DLM # 626-632 Unassigned servstat 633/tcp Service Status update (Sterling Software) servstat 633/udp Service Status update (Sterling Software) ginad 634/tcp ginad ginad 634/udp ginad rlzdbase 635/tcp RLZ DBase rlzdbase 635/udp RLZ DBase ldaps 636/tcp ldap protocol over TLS/SSL (was sldap) ldaps 636/udp ldap protocol over TLS/SSL (was sldap) lanserver 637/tcp lanserver lanserver 637/udp lanserver # 638-665 Unassigned mdqs 666/tcp mdqs 666/udp doom 666/tcp doom Id Software doom 666/udp doom Id Software disclose 667/tcp campaign contribution disclosures - SDR Technologies disclose 667/udp campaign contribution disclosures - SDR Technologies mecomm 668/tcp MeComm mecomm 668/udp MeComm meregister 669/tcp MeRegister meregister 669/udp MeRegister vacdsm-sws 670/tcp VACDSM-SWS vacdsm-sws 670/udp VACDSM-SWS vacdsm-app 671/tcp VACDSM-APP vacdsm-app 671/udp VACDSM-APP vpps-qua 672/tcp VPPS-QUA vpps-qua 672/udp VPPS-QUA cimplex 673/tcp CIMPLEX cimplex 673/udp CIMPLEX acap 674/tcp ACAP acap 674/udp ACAP dctp 675/tcp DCTP dctp 675/udp DCTP vpps-via 676/tcp VPPS Via vpps-via 676/udp VPPS Via # 677-703 Unassigned elcsd 704/tcp errlog copy/server daemon elcsd 704/udp errlog copy/server daemon agentx 705/tcp AgentX agentx 705/udp AgentX # 706-708 Unassigned entrust-kmsh 709/tcp Entrust Key Management Service Handler entrust-kmsh 709/udp Entrust Key Management Service Handler entrust-ash 710/tcp Entrust Administration Service Handler entrust-ash 710/udp Entrust Administration Service Handler # 711-728 Unassigned netviewdm1 729/tcp IBM NetView DM/6000 Server/Client netviewdm1 729/udp IBM NetView DM/6000 Server/Client netviewdm2 730/tcp IBM NetView DM/6000 send/tcp netviewdm2 730/udp IBM NetView DM/6000 send/tcp netviewdm3 731/tcp IBM NetView DM/6000 receive/tcp netviewdm3 731/udp IBM NetView DM/6000 receive/tcp netgw 741/tcp netGW netgw 741/udp netGW netrcs 742/tcp Network based Rev. Cont. Sys. Netrcs 742/udp Network based Rev. Cont. Sys. Flexlm 744/tcp Flexible License Manager Flexlm 744/udp Flexible License Manager fujitsu-dev 747/tcp Fujitsu Device Control fujitsu-dev 747/udp Fujitsu Device Control ris-cm 748/tcp Russell Info Sci Calendar Manager ris-cm 748/udp Russell Info Sci Calendar Manager kerberos-adm 749/tcp kerberos administration kerberos-adm 749/udp kerberos administration rfile 750/tcp loadav 750/udp kerberos-iv 750/udp kerberos version iv pump 751/tcp pump 751/udp qrh 752/tcp qrh 752/udp rrh 753/tcp rrh 753/udp tell 754/tcp send tell 754/udp send nlogin 758/tcp nlogin 758/udp con 759/tcp con 759/udp ns 760/tcp ns 760/udp rxe 761/tcp rxe 761/udp quotad 762/tcp quotad 762/udp cycleserv 763/tcp cycleserv 763/udp omserv 764/tcp omserv 764/udp webster 765/tcp webster 765/udp phonebook 767/tcp phone phonebook 767/udp phone vid 769/tcp vid 769/udp cadlock 770/tcp cadlock 770/udp rtip 771/tcp rtip 771/udp cycleserv2 772/tcp cycleserv2 772/udp submit 773/tcp notify 773/udp rpasswd 774/tcp acmaint_dbd 774/udp entomb 775/tcp acmaint_transd 775/udp wpages 776/tcp wpages 776/udp wpgs 780/tcp wpgs 780/udp concert 786/tcp Concert concert 786/udp Concert # 787-799 Unassigned mdbs_daemon 800/tcp mdbs_daemon 800/udp device 801/tcp device 801/udp # 802-828 Unassigned pkix-3-ca-ra 829/tcp PKIX-3 CA/RA pkix-3-ca-ra 829/tcp PKIX-3 CA/RA # 830-885 Unassigned iclcnet-locate 886/tcp ICL coNETion locate server iclcnet-locate 886/udp ICL coNETion locate server iclcnet_svinfo 887/tcp ICL coNETion server info iclcnet_svinfo 887/udp ICL coNETion server info accessbuilder 888/tcp AccessBuilder accessbuilder 888/udp AccessBuilder # The following entry records an unassigned but widespread use cddbp 888/tcp CD Database Protocol # 889-899 Unassigned omginitialrefs 900/tcp OMG Initial Refs omginitialrefs 900/udp OMG Initial Refs # 889-910 Unassigned xact-backup 911/tcp xact-backup xact-backup 911/tcp xact-backup # 912-988 Unassigned ftps-data 989/tcp ftp protocol, data, over TLS/SSL ftps-data 989/udp ftp protocol, data, over TLS/SSL ftps 990/tcp ftp protocol, control, over TLS/SSL ftps 990/udp ftp protocol, control, over TLS/SSL nas 991/tcp Netnews Administration System nas 991/udp Netnews Administration System telnets 992/tcp telnet protocol over TLS/SSL telnets 992/udp telnet protocol over TLS/SSL imaps 993/tcp imap4 protocol over TLS/SSL imaps 993/udp map4 protocol over TLS/SSL ircs 994/tcp irc protocol over TLS/SSL ircs 994/udp irc protocol over TLS/SSL pop3s 995/tcp pop3 protocol over TLS/SSL (was spop3) pop3s 995/udp pop3 protocol over TLS/SSL (was spop3) vsinet 996/tcp vsinet vsinet 996/udp vsinet maitrd 997/tcp maitrd 997/udp busboy 998/tcp puparp 998/udp garcon 999/tcp applix 999/udp Applix ac puprouter 999/tcp puprouter 999/udp cadlock 1000/tcp ock 1000/udp # 1001-1022 Unassigned # 1008/udp Possibly used by Sun Solaris???? 1023/tcp Reserved 1023/udp Reserved