- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Other services ports
Registered services that fit no other category. 4,970 ports, most common first.
| Port | Service | Transport | Risk | Encryption |
|---|---|---|---|---|
| 371 | Clearcase clearcase | TCP UDP | - | - |
| 372 | ListProcessor ulistproc | TCP UDP | - | - |
| 373 | Legent Corporation legent-1 | TCP UDP | - | - |
| 374 | Legent Corporation legent-2 | TCP UDP | - | - |
| 375 | Hassle hassle | TCP UDP | - | - |
| 376 | Amiga Envoy Network Inquiry Protocol nip | TCP UDP | - | - |
| 377 | NEC Corporation tnETOS | TCP UDP | - | - |
| 378 | NEC Corporation dsETOS | TCP UDP | - | - |
| 379 | TIA/EIA/IS-99 modem client is99c | TCP UDP | - | - |
| 380 | TIA/EIA/IS-99 modem server is99s | TCP UDP | - | - |
| 381 | hp performance data collector hp-collector | TCP UDP | - | - |
| 382 | hp performance data managed node hp-managed-node | TCP UDP | - | - |
| 383 | hp performance data alarm manager hp-alarm-mgr | TCP UDP | - | - |
| 384 | A Remote Network Server System arns | TCP UDP | - | - |
| 385 | IBM Application ibm-app | TCP UDP | - | - |
| 388 | Unidata LDM unidata-ldm | TCP UDP | - | - |
| 390 | UIS uis | TCP UDP | - | - |
| 392 | SynOptics Port Broker Port synotics-broker | TCP UDP | - | - |
| 393 | Meta5 meta5 | TCP UDP | - | - |
| 394 | EMBL Nucleic Data Transfer embl-ndt | TCP UDP | - | - |
| 395 | NetScout Control Protocol netcp | TCP UDP | - | - |
| 396 | Novell Netware over IP netware-ip | TCP UDP | - | - |
| 397 | Multi Protocol Trans. Net. mptn | TCP UDP | - | - |
| 398 | Kryptolan kryptolan | TCP UDP | - | - |
| 399 | ISO Transport Class 2 Non-Control over TCP iso-tsap-c2 | TCP UDP | - | - |
| 401 | Uninterruptible Power Supply ups | TCP UDP | - | - |
| 402 | Genie Protocol genie | TCP UDP | - | - |
| 403 | decap decap | TCP UDP | - | - |
| 404 | nced nced | TCP UDP | - | - |
| 405 | ncld ncld | TCP UDP | - | - |
| 407 | Timbuktu timbuktu | TCP UDP | - | - |
| 408 | Prospero Resource Manager Sys. Man. prm-sm | TCP UDP | - | - |
| 409 | Prospero Resource Manager Node Man. prm-nm | TCP UDP | - | - |
| 410 | DECLadebug Remote Debug Protocol decladebug | TCP UDP | - | - |
| 411 | Remote MT Protocol rmt | TCP UDP | - | - |
| 413 | Storage Management Services Protocol smsp | TCP UDP | - | - |
| 414 | InfoSeek infoseek | TCP UDP | - | - |
| 415 | BNet bnet | TCP UDP | - | - |
| 416 | Silverplatter silverplatter | TCP UDP | - | - |
| 417 | Onmux onmux | TCP UDP | - | - |
| 418 | Hyper-G hyper-g | TCP UDP | - | - |
| 419 | Ariel 1 ariel1 | TCP UDP | - | - |
| 420 | SMPTE smpte | TCP UDP | - | - |
| 421 | Ariel 2 ariel2 | TCP UDP | - | - |
| 422 | Ariel 3 ariel3 | TCP UDP | - | - |
| 423 | IBM Operations Planning and Control Start opc-job-start | TCP UDP | - | - |
| 424 | IBM Operations Planning and Control Track opc-job-track | TCP UDP | - | - |
| 425 | ICAD icad-el | TCP UDP | - | - |
| 426 | smartsdp smartsdp | TCP UDP | - | - |
| 427 | Server Location svrloc | TCP UDP | - | - |
| 428 | OCS_CMU ocs_cmu, ocs-cmu | TCP UDP | - | - |
| 429 | OCS_AMU ocs_amu, ocs-amu | TCP UDP | - | - |
| 430 | UTMPSD utmpsd | TCP UDP | - | - |
| 431 | UTMPCD utmpcd | TCP UDP | - | - |
| 432 | IASD iasd | TCP UDP | - | - |
| 434 | MobileIP-Agent mobileip-agent | TCP UDP | - | - |
| 435 | MobilIP-MN mobilip-mn | TCP UDP | - | - |
| 436 | DNA-CML dna-cml | TCP UDP | - | - |
| 437 | comscm comscm | TCP UDP | - | - |
| 438 | dsfgw dsfgw | TCP UDP | - | - |
| 439 | dasp dasp | TCP UDP | - | - |
| 440 | sgcp sgcp | TCP UDP | - | - |
| 441 | decvms-sysmgt decvms-sysmgt | TCP UDP | - | - |
| 442 | cvc_hostd cvc_hostd, cvc-hostd | TCP UDP | - | - |
| 447 | DDM-Distributed File Management ddm-dfm | TCP UDP | - | - |
| 449 | AS Server Mapper as-servermap | TCP UDP | - | - |
| 450 | Computer Supported Telecomunication Applications tserver | TCP UDP | - | - |
| 451 | Cray Network Semaphore server sfs-smp-net | TCP UDP | - | - |
| 452 | Cray SFS config server sfs-config | TCP UDP | - | - |
| 453 | CreativeServer creativeserver | TCP UDP | - | - |
| 454 | ContentServer contentserver | TCP UDP | - | - |
| 455 | CreativePartnr creativepartnr | TCP UDP | - | - |
| 456 | macon-tcp macon-tcp, macon-udp | TCP UDP | - | - |
| 457 | scohelp scohelp | TCP UDP | - | - |
| 459 | ampr-rcmd ampr-rcmd | TCP UDP | - | - |
| 460 | skronk skronk | TCP UDP | - | - |
| 461 | DataRampSrv datasurfsrv | TCP UDP | - | - |
| 462 | DataRampSrvSec datasurfsrvsec | TCP UDP | - | - |
| 463 | alpes alpes | TCP UDP | - | - |
| 466 | digital-vrc digital-vrc | TCP UDP | - | - |
| 467 | mylex-mapd mylex-mapd | TCP UDP | - | - |
| 468 | proturis photuris | TCP UDP | - | - |
| 471 | Mondex mondex | TCP UDP | - | - |
| 473 | hybrid-pop hybrid-pop | TCP UDP | - | - |
| 474 | tn-tl-w1 tn-tl-w1, tn-tl-w2 | TCP UDP | - | - |
| 475 | tcpnethaspsrv tcpnethaspsrv | TCP UDP | - | - |
| 476 | tn-tl-fd1 tn-tl-fd1 | TCP UDP | - | - |
| 477 | ss7ns ss7ns | TCP UDP | - | - |
| 478 | spsc spsc | TCP UDP | - | - |
| 479 | iafserver iafserver | TCP UDP | - | - |
| 480 | iafdbase iafdbase | TCP UDP | - | - |
| 481 | Ph service ph | TCP UDP | - | - |
| 482 | bgs-nsi bgs-nsi | TCP UDP | - | - |
| 483 | ulpnet ulpnet | TCP UDP | - | - |
| 484 | Integra Software Management Environment integra-sme | TCP UDP | - | - |
| 485 | Air Soft Power Burst powerburst | TCP UDP | - | - |
| 486 | avian avian | TCP UDP | - | - |
| 489 | nest-protocol nest-protocol | TCP UDP | - | - |
| 490 | micom-pfs micom-pfs | TCP UDP | - | - |
| 492 | Transport Independent Convergence for FNA ticf-1 | TCP UDP | - | - |
Securing other services services
Other port categories
Web /tools/ports/category/web Remote access /tools/ports/category/remote-access File transfer & sharing /tools/ports/category/file-transfer Email /tools/ports/category/email Databases & caches /tools/ports/category/databases Directory & authentication /tools/ports/category/directory-auth Network services /tools/ports/category/network-services VPN, tunnels & proxies /tools/ports/category/vpn-tunnels Messaging & queues /tools/ports/category/messaging Voice & chat /tools/ports/category/voice-chat Media & streaming /tools/ports/category/media IoT & industrial (ICS) /tools/ports/category/iot-ics DevOps, cloud & containers /tools/ports/category/devops Monitoring & logging /tools/ports/category/monitoring Gaming /tools/ports/category/gaming