| :8888 | Sun Answerbook & Alt HTTP | TCP | Web Services | caution | 123.9k |
| :4664 | Google Desktop Search | TCP | System | caution | 67.2k |
| :8008 | IBM HTTP Server Admin | TCP | Web Services | caution | 58.3k |
| :3268 | Microsoft Global Catalog (GC) | TCPUDP | Security | caution | 54.6k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :9080 | WebSphere HTTP Transport (default) | TCP | Web Services | caution | 51.6k |
| :23 | Telnet | TCP | Remote Access | caution | 34.8k |
| :12489 | NSClient Monitoring Agent | TCP | Network Services | caution | 30.0k |
| :8011 | Symon Event Engine | TCP | Network Services | caution | 28.4k |
| :4899 | Radmin Remote Administration | TCPUDP | Security | safe | 28.3k |
| :9043 | WebSphere Admin Console (SSL) | TCP | Web Services | caution | 28.0k |
| :5001 | Iperf | TCPUDP | Network Services | caution | 27.7k |
| :1431 | Reverse Gossip Transport Protocol (RGTP) | TCP | Web Services | caution | 27.3k |
| :6005 | BMC Control-M Server | TCP | System | caution | 27.1k |
| :5555 | Freeciv | TCP | Security | caution | 26.9k |
| :16080 | Mac OS X Server Web Cache | TCP | Web Services | caution | 26.8k |
| :1311 | Dell OpenManage | TCPtls | Remote Access | caution | 26.6k |
| :593 | HTTP RPC Endpoint Mapper | TCPUDP | Network Services | caution | 26.0k |
| :5001 | Commplex-Link | TCP | Network Services | caution | 24.9k |
| :1337 | Men & Mice DNS | UDP | Network Services | safe | 24.8k |
| :5495 | Applix TM1 Admin | TCP | Databases | caution | 24.8k |
| :8880 | WebSphere SOAP Connector | TCP | Web Services | caution | 24.1k |
| :311 | Mac OS X Server Admin | TCP | Web Services | caution | 23.7k |
| :660 | Mac OS X Server Admin | TCP | Remote Access | caution | 23.7k |
| :9001 | Cisco XRemote | | Remote Access | caution | 23.7k |
| :749 | Kerberos Admin | TCPUDP | Security | safe | 23.6k |
| :10000 | Webmin | | Web Services | caution | 23.3k |
| :83 | MIT ML Device | TCP | Network Services | caution | 23.1k |
| :9060 | WebSphere Admin Console | TCP | Web Services | caution | 23.0k |
| :445 | Microsoft-DS / SMB | TCP | File Transfer | caution | 22.3k |
| :5104 | IBM Netcool Impact HTTP | TCP | Network Services | caution | 22.2k |
| :2105 | eklogin Kerberos Remote Login | TCPUDP | Security | safe | 22.1k |
| :901 | Samba Web Admin (SWAT) | TCP | Web Services | caution | 21.9k |
| :2501 | TheosNet-Admin | TCP | Remote Access | caution | 21.7k |
| :3001 | Miralix Phone Monitor | TCP | Network Services | caution | 21.7k |
| :1920 | IBM Tivoli Monitoring | TCPtls | Web Services | caution | 21.5k |
| :445 | SMB over Microsoft-DS | TCP | File Transfer | caution | 21.1k |
| :3899 | Remote Administrator | TCP | Remote Access | caution | 20.6k |
| :1220 | QTSS Admin | TCP | Streaming | safe | 20.6k |
| :4125 | Remote Web Workplace | TCP | Web Services | caution | 20.5k |
| :623 | ASF-RMCP | UDP | Remote Access | caution | 20.5k |
| :9105 | Xadmin Control Daemon | TCPUDP | Remote Access | caution | 19.9k |
| :201 | AppleTalk Routing | TCPUDP | Network Services | caution | 19.7k |
| :502 | Modbus Protocol | TCPUDP | Network Services | caution | 19.2k |
| :2105 | Zephyr Notification Service (hm-serv) | TCPUDP | Network Services | caution | 19.0k |
| :7006 | BMC Control-M Server-Agent | TCP | System | caution | 18.7k |
| :991 | Netnews Administration System | TCPUDP | Network Services | caution | 17.9k |
| :2370 | BMC Control-M Server | TCP | System | caution | 17.4k |
| :3001 | Opsware Satellite | TCP | Network Services | caution | 17.4k |
| :42 | NameServer (ARPA Hostname) | TCPUDP | Network Services | caution | 17.2k |
| :1984 | Big Brother Monitor | TCP | Security | caution | 16.8k |
| :53 | DNS | TCPUDP | Network Services | safe | 16.7k |
| :135 | DCE/RPC Endpoint Mapper | TCPUDP | Remote Access | caution | 16.7k |
| :546 | DHCPv6 Client | TCPUDP | Network Services | caution | 16.6k |
| :953 | DNS RNDC | TCPUDP | Security | safe | 16.4k |
| :42 | WINS | TCPUDP | Network Services | caution | 16.4k |
| :3389 | Microsoft RDP | TCPUDP | Remote Access | caution | 16.3k |
| :90 | DNSIX | TCPUDP | Security | safe | 16.1k |
| :10000 | Ericsson Account Manager | | Network Services | caution | 15.9k |
| :9999 | Lantronix RS-485 Telnet Control | TCP | Network Services | caution | 15.8k |
| :2105 | IBM MiniPay | TCPUDP | System | caution | 15.7k |
| :1059 | IBM AIX NIM | TCPUDP | Network Services | caution | 15.6k |
| :636 | LDAPS | TCPUDPtls | Security | caution | 15.6k |
| :1270 | SCOM Agent | TCPUDP | Network Services | caution | 15.6k |
| :3000 | Miralix License Server | TCP | Network Services | caution | 15.4k |
| :1947 | Aladdin HASP License Manager | TCP | Security | caution | 15.4k |
| :10000 | BackupExec | | File Transfer | caution | 15.3k |
| :7005 | Control-M Agent-Server | TCP | System | caution | 15.3k |
| :6101 | Backup Exec Browser | TCP | File Transfer | caution | 15.2k |
| :51 | IMP Logical Address Maintenance | TCPUDP | Network Services | caution | 15.0k |
| :9898 | Tripwire FIM | TCP | Security | caution | 15.0k |
| :7400 | RTPS DDS Discovery | TCPUDP | Network Services | safe | 14.8k |
| :2369 | BMC Control-M Configuration Agent | TCP | System | caution | 14.8k |
| :13076 | BMC Control-M CORBA Connection | TCP | System | caution | 14.8k |
| :5814 | HP Support Automation | TCPUDP | Remote Access | caution | 14.8k |
| :1236 | Symantec BindView UNIX Mgmt | TCP | Security | caution | 14.7k |
| :427 | Service Location Protocol | TCPUDP | Network Services | caution | 14.6k |
| :1900 | SSDP / UPnP Discovery | UDP | Network Services | caution | 14.6k |
| :547 | DHCPv6 Server | TCPUDP | Network Services | caution | 14.5k |
| :2381 | HP Insight Manager Web | TCP | Web Services | caution | 14.4k |
| :5450 | OSIsoft PI System Client | TCP | Databases | caution | 14.3k |
| :533 | Netwall Emergency Broadcasts | UDP | Security | caution | 14.3k |
| :9000 | UDPCast | UDP | File Transfer | caution | 14.3k |
| :5900 | VNC Remote Desktop | TCPUDP | Remote Access | caution | 14.2k |
| :9999 | Urchin Analytics | | Web Services | caution | 13.8k |
| :502 | Modbus | TCPUDP | Network Services | caution | 13.7k |
| :5666 | NRPE | TCP | Network Services | caution | 13.6k |
| :20000 | DNP3 | | Network Services | caution | 13.6k |
| :6350 | ADAP | TCPUDP | Network Services | caution | 13.5k |
| :1058 | IBM AIX NIM | TCPUDP | Network Services | caution | 13.5k |
| :5093 | SafeNet License Manager | UDP | System | caution | 13.3k |
| :139 | NetBIOS Session Service | TCPUDP | File Transfer | caution | 13.3k |
| :123 | Network Time Protocol | UDP | Network Services | safe | 13.2k |
| :1967 | Cisco IP SLA Control | UDP | Network Services | caution | 13.2k |
| :6000 | X11 Protocol | TCP | Remote Access | caution | 13.1k |
| :7402 | RTPS DDS Meta-Traffic | TCPUDP | Network Services | safe | 12.9k |
| :9 | Discard Protocol | TCPUDP | Network Services | caution | 12.9k |
| :6001 | X11 Display Manager | UDP | Remote Access | caution | 12.9k |
| :1 | TCPMUX | TCPUDP | Security | caution | 12.9k |
| :2447 | OpenView NNM ovwdb Daemon | TCPUDP | Network Services | caution | 12.8k |
| :137 | NetBIOS Name Service | TCPUDP | Network Services | caution | 12.7k |
| :5000 | UPnP Device Interop | TCP | Network Services | caution | 12.7k |
| :1500 | NetGuard GuardianPro Remote Management | TCP | Security | caution | 12.7k |
| :7777 | OCFS2 | TCP | Databases | caution | 12.5k |
| :2053 | Lot105 DSuper Updates | UDP | Network Services | caution | 12.4k |
| :11576 | IPStor Management | | Databases | caution | 12.3k |
| :138 | NetBIOS Datagram Service | TCPUDP | File Transfer | caution | 12.2k |
| :2030 | Oracle MS Transaction Server | | Databases | caution | 12.2k |
| :102 | ISO-TSAP Class 0 | TCP | Network Services | caution | 12.0k |
| :22350 | CodeMeter | TCPUDP | Security | caution | 12.0k |
| :24800 | Synergy | | Remote Access | caution | 11.9k |
| :30564 | Multiplicity | TCP | Remote Access | caution | 11.9k |
| :2001 | CAPTAN Test Stand | UDP | System | caution | 11.8k |
| :8086 | HELM Control Panel | TCP | Web Services | caution | 11.7k |
| :8442 | CyBro A-bus | TCPUDP | Network Services | caution | 11.6k |
| :524 | NetWare Core Protocol (NCP) | TCPUDP | Network Services | caution | 11.5k |
| :7025 | Zimbra LMTP | TCP | Email | caution | 11.4k |
| :49 | TACACS | TCPUDP | Security | caution | 11.3k |
| :543 | klogin (Kerberos Login) | TCP | Security | safe | 11.3k |
| :2546 | EVault Data Protection | TCPUDP | File Transfer | caution | 11.3k |
| :383 | HP Data Alarm Manager | TCPUDP | Network Services | caution | 11.1k |
| :179 | Border Gateway Protocol | TCP | Network Services | caution | 11.1k |
| :2713 | Raven Trinity Broker | TCPUDP | Network Services | caution | 11.1k |
| :647 | DHCP Failover | TCP | Network Services | caution | 11.1k |
| :369 | RPC2 Port Mapper | TCPUDP | Network Services | caution | 11.1k |
| :9535 | LANDesk Remote Control | TCPUDP | Remote Access | caution | 11.1k |
| :1110 | EasyBits School Discovery | UDP | Network Services | caution | 11.1k |
| :27000 | FlexNet License Server | TCP | Network Services | caution | 11.0k |
| :2104 | Zephyr Hostmanager | TCPUDP | Network Services | caution | 11.0k |
| :1026 | Microsoft DCOM | TCP | Security | caution | 10.9k |
| :513 | Remote Login (rlogin) | TCP | Remote Access | caution | 10.8k |
| :2 | Management Utility | TCPUDP | Network Services | caution | 10.8k |
| :5099 | SafeNet Sentinel License Manager | TCPUDP | System | caution | 10.8k |
| :5355 | LLMNR | TCPUDP | Security | caution | 10.8k |
| :161 | SNMP | UDP | Security | caution | 10.8k |
| :1581 | MIL-STD-2045-47001 VMF | UDP | Security | caution | 10.6k |
| :464 | Kerberos Password Change | TCPUDP | Security | safe | 10.6k |
| :11 | Systat | TCPUDP | Network Services | caution | 10.6k |
| :2404 | IEC 60870-5-104 | TCP | Network Services | caution | 10.5k |
| :6522 | Gobby Collaboration | TCP | Remote Access | caution | 10.5k |
| :153 | SGMP | UDP | Network Services | caution | 10.5k |
| :7937 | EMC Networker Backup | TCPUDP | File Transfer | caution | 10.5k |
| :1002 | Opsware Agent | TCP | System | caution | 10.4k |
| :1029 | Microsoft DCOM | TCP | Remote Access | caution | 10.4k |
| :6112 | DTSPCD | TCPUDP | Remote Access | caution | 10.4k |
| :512 | Rexec | TCP | Remote Access | caution | 10.4k |
| :177 | XDMCP | TCPUDP | Remote Access | caution | 10.2k |
| :3051 | Galaxy Server | TCPUDP | Web Services | caution | 10.2k |
| :9421 | MooseFS Master Server | TCP | Databases | caution | 10.2k |
| :402 | Altiris Deployment Client | TCP | Network Services | caution | 10.2k |
| :9418 | Git Pack Transfer | TCPUDP | File Transfer | caution | 10.2k |
| :8701 | SoftPerfect Bandwidth Manager | UDP | Network Services | caution | 10.1k |
| :7787 | GFI EventsManager | TCP | Security | caution | 10.1k |
| :550 | new-rwho / new-who | UDP | Network Services | caution | 10.1k |
| :1512 | WINS | TCPUDP | Network Services | caution | 10.1k |
| :2161 | APC Agent | TCP | Network Services | caution | 10.0k |
| :544 | Kerberos Remote Shell (kshell) | TCP | Security | safe | 10.0k |
| :8087 | Plesk Control Panel | TCP | Web Services | caution | 10.0k |
| :18605 | X-BEAT Status Check | TCPUDP | Network Services | caution | 10.0k |
| :631 | Internet Printing Protocol | TCPUDP | Network Services | caution | 10.0k |
| :657 | IBM RMC | TCPUDP | Network Services | caution | 10.0k |
| :4728 | CA DMP / Port Multiplexer | TCP | Network Services | caution | 10.0k |
| :56 | Route Access Protocol | TCPUDP | Network Services | caution | 9.9k |
| :888 | CDDBP | TCP | Media | safe | 9.8k |
| :5 | Remote Job Entry | TCPUDP | Network Services | caution | 9.7k |
| :19315 | KeyShadow K2 | TCPUDP | Network Services | caution | 9.7k |
| :31415 | ThoughtSignal Communication | SCTP | Network Services | caution | 9.7k |
| :10051 | Zabbix Trapper | TCPUDP | Network Services | caution | 9.6k |
| :847 | DHCP Failover | TCP | Network Services | caution | 9.6k |
| :54 | XNS Clearinghouse | TCPUDP | Network Services | caution | 9.6k |
| :1169 | Tripwire | TCPUDP | Security | caution | 9.4k |
| :55 | ISI Graphics Language | TCPUDP | Network Services | caution | 9.4k |
| :350 | MATIP Type A | TCPUDP | Network Services | caution | 9.3k |
| :631 | CUPS | TCPUDP | Network Services | caution | 9.3k |
| :5852 | Adeona OpenDHT Client | TCP | Security | caution | 9.3k |
| :2223 | Office OS X Anti-Piracy Monitor | UDP | Security | caution | 9.3k |
| :2212 | LeeCO POS Server | TCPUDP | Network Services | caution | 9.3k |
| :699 | Access Network | TCP | Network Services | caution | 9.2k |
| :52 | XNS Time Protocol | TCPUDP | Network Services | safe | 9.2k |
| :10010 | ooRexx rxapi daemon | TCP | Network Services | caution | 9.2k |
| :5085 | LLRP over TLS | TCPUDP | Network Services | caution | 9.2k |
| :514 | RSH / REMSH | TCP | Security | caution | 9.2k |
| :15 | Netstat Service | TCPUDP | Network Services | caution | 9.1k |
| :56 | XNS Authentication | TCPUDP | Network Services | caution | 9.1k |
| :9420 | MooseFS Master-Chunk | TCP | File Transfer | caution | 9.0k |
| :556 | RFS Server | TCP | File Transfer | caution | 9.0k |
| :199 | SMUX (SNMP Multiplexer) | TCPUDP | Network Services | caution | 9.0k |
| :20000 | Usermin User Tool | | Web Services | caution | 8.9k |
| :1801 | MSMQ | TCPUDP | Network Services | caution | 8.9k |
| :4949 | Munin | TCP | Network Services | caution | 8.9k |
| :514 | Syslog | UDP | Security | caution | 8.9k |
| :501 | STMF (NTCIP 1101) | TCP | Network Services | caution | 8.8k |
| :19283 | Sassafras K2 License Server | TCPUDP | Network Services | caution | 8.8k |
| :12012 | Axence nVision | TCP | Security | caution | 8.8k |
| :10025 | Zimbra SMTP Amavis Integration | TCP | Email | caution | 8.8k |
| :530 | RPC | TCPUDP | Network Services | caution | 8.8k |
| :18 | Message Send Protocol | TCPUDP | Network Services | caution | 8.8k |
| :3423 | Xware xTrm Protocol | TCP | Network Services | caution | 8.7k |
| :10008 | Octopus Multiplexer / CROMP Protocol | TCPUDP | Network Services | caution | 8.7k |
| :351 | MATIP-Type B | TCPUDP | Network Services | caution | 8.7k |
| :4750 | BladeLogic Agent | TCP | Network Services | caution | 8.7k |
| :1140 | AutoNOC | TCPUDP | Network Services | caution | 8.7k |
| :5667 | NSCA | TCP | Network Services | caution | 8.6k |
| :5912 | Tidal Scheduler Agent | TCP | System | caution | 8.5k |
| :5723 | Operations Manager | TCP | Network Services | caution | 8.4k |
| :387 | AURP | TCPUDP | Network Services | caution | 8.3k |
| :10017 | rexd Daemon Control | | Remote Access | caution | 8.3k |
| :9561 | Network Time System | TCPUDP | Network Services | safe | 8.3k |
| :13 | Daytime Protocol | TCPUDP | Network Services | safe | 8.3k |
| :8087 | Hosting Accelerator Panel | TCP | Web Services | caution | 8.2k |
| :24444 | NetBeans IDE | | System | caution | 8.2k |
| :4007 | PrintBuzzer Socket Server | TCP | Network Services | caution | 8.2k |
| :8089 | Splunk Daemon | TCP | Security | caution | 8.2k |
| :8222 | VMware Server UI (Insecure) | | Web Services | caution | 8.2k |
| :520 | EFS Server | TCP | File Transfer | caution | 8.2k |
| :5550 | HP Data Protector | TCP | File Transfer | caution | 8.2k |
| :6445 | Sun Grid Engine Exec | TCPUDP | System | caution | 8.1k |
| :513 | Who Service | UDP | Security | caution | 8.1k |
| :1309 | Quartus jtagd | TCP | System | caution | 8.1k |
| :7 | Echo Protocol | TCPUDP | Network Services | caution | 8.0k |
| :107 | Remote Telnet | TCP | Remote Access | caution | 8.0k |
| :750 | Kerberos IV | UDP | Security | safe | 8.0k |
| :4093 | PxPlus Client Server | TCPUDP | Databases | caution | 8.0k |
| :3516 | Smartcard Service | TCPUDP | Security | caution | 8.0k |
| :22347 | WibuKey Protection | TCPUDP | Security | caution | 7.9k |
| :10050 | Zabbix Agent | TCPUDP | Security | caution | 7.8k |
| :515 | LPD Print Service | TCP | Network Services | caution | 7.8k |
| :3544 | Teredo | UDP | Security | caution | 7.8k |
| :665 | Sun DR | TCP | Network Services | caution | 7.8k |
| :13783 | Symantec VOPIED Protocol | TCPUDP | File Transfer | caution | 7.7k |
| :7312 | Sibelius License Server | UDP | System | caution | 7.7k |
| :13724 | Symantec vnetd | TCPUDP | Network Services | caution | 7.6k |
| :34443 | Linksys PSUS4 print server | | Network Services | caution | 7.5k |
| :117 | UUCP Path | TCP | Email | caution | 7.5k |
| :2809 | CORBA IIOP URL | TCP | Network Services | caution | 7.5k |
| :4111 | Xgrid | TCP | System | caution | 7.4k |
| :13720 | NetBackup bprd | TCPUDP | System | caution | 7.4k |
| :904 | VMware Server Alternate Port | TCP | Network Services | caution | 7.4k |
| :2301 | HP System Management Redirect | TCP | Network Services | caution | 7.4k |
| :512 | comsat & biff | UDP | Email | caution | 7.4k |
| :3527 | MSMQ | UDP | Network Services | caution | 7.3k |
| :108 | SNA Gateway | TCPUDP | Network Services | caution | 7.3k |
| :67 | BOOTP/DHCP Server | UDP | Network Services | caution | 7.3k |
| :752 | Kerberos kpasswd Server | UDP | Security | safe | 7.3k |
| :2049 | Network File System | UDP | File Transfer | caution | 7.2k |
| :5721 | Kaseya | TCPUDP | Security | caution | 7.2k |
| :19638 | Ensim Control Panel | TCP | Web Services | caution | 7.2k |
| :911 | NCA over OpenSSH | TCPtls | Security | caution | 7.1k |
| :561 | MONITOR Protocol | UDP | Network Services | caution | 7.1k |
| :545 | OSIsoft PI Server Client Access | TCP | Network Services | caution | 7.0k |
| :152 | Background File Transfer Program | TCPUDP | File Transfer | caution | 7.0k |
| :256 | 2DEV 2SP | TCPUDP | Network Services | caution | 7.0k |
| :17 | Quote of the Day | TCPUDP | Network Services | caution | 7.0k |
| :3 | Compression Process | TCPUDP | Network Services | caution | 6.9k |
| :8400 | Commvault CVP | TCPUDP | File Transfer | caution | 6.9k |
| :7307 | Zimbra MySQL Logger | TCP | Email | caution | 6.9k |
| :5591 | Tidal Scheduler Master | TCP | System | caution | 6.9k |
| :18180 | DART Reporting | TCP | Network Services | caution | 6.9k |
| :1998 | Cisco XOT | TCPUDP | Network Services | caution | 6.8k |
| :20014 | DART Reporting Server | TCP | Security | caution | 6.8k |
| :170 | Print Server Network PostScript | TCP | Network Services | caution | 6.8k |
| :701 | Link Management Protocol | TCP | Network Services | caution | 6.8k |
| :782 | Conserver Console Management | TCP | Remote Access | caution | 6.8k |
| :525 | Timed Timeserver | UDP | Network Services | safe | 6.8k |
| :692 | Hyperwave ISP | TCP | Web Services | caution | 6.7k |
| :13782 | NetBackup bpcd | TCPUDP | File Transfer | caution | 6.7k |
| :694 | Linux-HA Heartbeat | TCPUDP | Network Services | caution | 6.7k |
| :71 | NETRJS Remote Job | TCP | Network Services | caution | 6.7k |
| :68 | BOOTP/DHCP Client | UDP | Network Services | caution | 6.7k |
| :13721 | Symantec NetBackup bpdbm | TCPUDP | File Transfer | caution | 6.5k |
| :9102 | Bacula FD | TCPUDP | File Transfer | caution | 6.5k |
| :7880 | PowerSchool Gradebook | TCPUDP | Web Services | caution | 6.4k |
| :1994 | Cisco STUN-SDLC | TCPUDP | Network Services | caution | 6.4k |
| :13786 | Symantec NOMDB | TCPUDP | Databases | caution | 6.4k |
| :2049 | NFS | UDP | File Transfer | caution | 6.4k |
| :1470 | Kiwi Log Server | TCP | Security | caution | 6.4k |
| :2212 | Remote WinBatch Control | TCP | Network Services | caution | 6.3k |
| :873 | Rsync | TCP | File Transfer | caution | 6.3k |
| :903 | VMware Remote Console | TCP | Remote Access | caution | 6.3k |
| :37 | TIME Protocol | TCPUDP | Network Services | safe | 6.3k |
| :1098 | RMI Activation | TCPUDP | Network Services | caution | 6.1k |
| :9101 | Bacula Director | TCPUDP | File Transfer | caution | 6.1k |
| :560 | Remote Monitor (rmonitor) | UDP | Network Services | caution | 6.1k |
| :3632 | DistCC Distributed Compiler | TCP | Network Services | caution | 6.1k |
| :2211 | EMWIN | TCPUDP | Network Services | caution | 6.1k |
| :2144 | LiveVault Agent | TCP | File Transfer | caution | 6.1k |
| :5176 | ConsoleWorks UI | TCP | Security | caution | 6.0k |
| :1387 | CADSI-LM License Manager | TCPUDP | Network Services | caution | 6.0k |
| :8691 | Ultra Fractal Server | TCP | System | caution | 6.0k |
| :760 | Kerberos Registration | TCPUDP | Security | safe | 6.0k |
| :1099 | RMI Registry | TCPUDP | Network Services | caution | 5.9k |
| :7935 | Adobe Flash Debugger | TCP | System | caution | 5.9k |
| :4 | Unassigned Port 4 | TCPUDP | Network Services | safe | 5.9k |
| :259 | Efficient Short Remote Operations (ESRO) | TCPUDP | Network Services | caution | 5.8k |
| :4950 | Cylon UC32 Control | TCPUDP | Network Services | caution | 5.8k |
| :540 | UUCP | TCP | File Transfer | caution | 5.8k |
| :753 | Reverse Routing Header (RRH) | TCP | Network Services | caution | 5.8k |
| :318 | PKIX Time Stamp Protocol | TCPUDP | Security | safe | 5.7k |
| :6110 | HP Softbench CM | TCPUDP | Network Services | caution | 5.7k |
| :401 | UPS Services | TCPUDP | Network Services | caution | 5.7k |
| :6050 | Arcserve Backup | TCP | File Transfer | caution | 5.7k |
| :760 | Name Service | TCPUDP | Network Services | caution | 5.6k |
| :1762 | CFT File Transfer | TCPUDP | File Transfer | caution | 5.6k |
| :79 | Finger Protocol | TCP | Network Services | caution | 5.6k |
| :5084 | LLRP | TCPUDP | Network Services | caution | 5.6k |
| :1975 | Cisco TCO Documentation | UDP | Network Services | caution | 5.5k |
| :2220 | NetIQ End2End | TCPUDP | Network Services | caution | 5.5k |
| :319 | PTP Event Messages | UDP | Network Services | safe | 5.4k |
| :6050 | Nortel Software | TCP | Network Services | caution | 5.4k |
| :497 | Dantz Retrospect | TCP | File Transfer | caution | 5.4k |
| :9103 | Bacula Storage Daemon | TCPUDP | File Transfer | caution | 5.4k |
| :3313 | Verisys FIM | TCP | Security | caution | 5.3k |
| :751 | PUMP Protocol | TCPUDP | Network Services | caution | 5.3k |
| :1024 | Reserved Port | TCPUDP | Network Services | caution | 5.3k |
| :99 | WIP Message Protocol | TCP | Network Services | caution | 5.3k |
| :750 | loadav | UDP | Security | caution | 5.2k |
| :712 | Promise RAID Ctrl | UDP | Network Services | caution | 5.1k |
| :1198 | Cajo Distributed Computing | TCPUDP | Network Services | caution | 5.1k |
| :1222 | Suptechnology ERP | TCP | Network Services | caution | 5.1k |
| :1023 | Reserved Port | TCPUDP | System | caution | 5.1k |
| :6072 | iOperator Signal | TCP | Network Services | caution | 5.1k |
| :1761 | CFT 0 | UDP | Network Services | caution | 5.0k |
| :2401 | CVS | TCP | File Transfer | caution | 4.9k |
| :6389 | EMC CLARiiON | TCP | Databases | caution | 4.9k |
| :752 | QRH | TCP | Security | caution | 4.9k |
| :754 | Tell Send | TCP | Network Services | caution | 4.9k |
| :6051 | Brightstor Arcserve | TCP | Network Services | caution | 4.9k |
| :320 | PTP General Messages | UDP | Network Services | safe | 4.9k |
| :651 | IEEE MMS | TCPUDP | Network Services | caution | 4.8k |
| :2145 | LiveVault Agent | TCP | File Transfer | caution | 4.8k |
| :6111 | HP Softbench SPC | TCPUDP | System | caution | 4.7k |
| :2612 | QPasa | TCPUDP | Network Services | caution | 4.6k |
| :3396 | NDPS Printer Agent | TCPUDP | Network Services | caution | 4.6k |
| :2735 | NetIQ Monitor Console | TCPUDP | Network Services | caution | 4.6k |
| :10114 | NetIQ Qcheck | TCPUDP | Network Services | caution | 4.6k |
| :371 | ClearCase ALBD | TCPUDP | Network Services | caution | 4.5k |
| :1666 | Perforce | TCP | File Transfer | caution | 4.4k |
| :10115 | NetIQ Endpoint | TCPUDP | Security | caution | 4.4k |
| :1547 | Laplink | TCPUDP | File Transfer | caution | 4.1k |
| :5999 | CVSup | TCP | File Transfer | caution | 4.1k |
| :2262 | CoMotion Backup | TCPUDP | File Transfer | caution | 4.0k |
| :4664 | Wrapper: Offline asset server | TCPUDP | Web Services | caution | 3.5k |