TCP Port 79 – finger
TCP port 79 is assigned to finger by IANA. Referenced in 16 IDS rules, with moderate malware activity observed in monitored traffic.
Reference information for TCP and UDP network ports, including service assignments, IDS rule references, malware activity indicators, and security context.
TCP Port 81
TCP port 81 has no IANA registration but appears in 2050 IDS rules, with moderate malware activity observed in monitored traffic.
TCP Port 82 – xfer
TCP port 82 is assigned to xfer by IANA. Referenced in 2036 IDS rules, with moderate malware activity observed in monitored traffic.
TCP Port 83 – mit-ml-dev
TCP port 83 is assigned to mit-ml-dev by IANA. Referenced in 2035 IDS rules, with moderate malware activity observed in monitored traffic.
TCP Port 36
TCP port 36 has no IANA registration but appears in 2035 IDS rules, with moderate malware activity observed in monitored traffic.
TCP Port 84 – ctf
TCP port 84 is assigned to ctf by IANA. Referenced in 2036 IDS rules, with moderate malware activity observed in monitored traffic.
TCP Port 42 – name
TCP port 42 is assigned to name by IANA. Referenced in 3 IDS rules, with no notable malware activity in monitored traffic.
TCP Port 85 – mit-ml-dev
TCP port 85 is assigned to mit-ml-dev by IANA. Referenced in 2035 IDS rules, with moderate malware activity observed in monitored traffic.
UDP Port 42 – name
UDP port 42 is assigned to name by IANA. Referenced in 1 IDS rule, with no notable malware activity in monitored traffic.
TCP Port 86 – mfcobol
TCP port 86 is assigned to mfcobol by IANA. Referenced in 2035 IDS rules, with moderate malware activity observed in monitored traffic.
UDP Port 21 – FTP (File Transfer Protocol)
UDP port 21 is assigned to ftp by IANA. Service details, common uses, and security lookup information for this port number.
TCP Port 22 – SSH (Secure Shell)
Port 22 is the standard port for SSH, the Secure Shell protocol used to log into and administer remote computers across an encrypted channel.
UDP Port 22 – SSH (Secure Shell)
UDP port 22 is assigned to ssh by IANA. Referenced in 1 IDS rule, with low malware activity observed in monitored traffic.
TCP Port 23 – Telnet (Legacy Remote Terminal)
Port 23 is the standard port for Telnet, an early protocol for logging into remote computers across a terminal connection.
UDP Port 23 – Telnet (Legacy Remote Terminal)
UDP port 23 is assigned to telnet by IANA. Referenced in 1 IDS rule, with no notable malware activity in monitored traffic.
TCP Port 25 – SMTP (Simple Mail Transfer Protocol)
Port 25 is the original port for SMTP, the Simple Mail Transfer Protocol that moves email between mail servers across the internet.
UDP Port 25 – SMTP (Simple Mail Transfer Protocol)
UDP port 25 is assigned to smtp by IANA. Service details, common uses, and security lookup information for this port number.
TCP Port 27 – nsw-fe
TCP port 27 is assigned to nsw-fe by IANA. Referenced in 1 IDS rule, with low malware activity observed in monitored traffic.
UDP Port 7 – echo
UDP port 7 is assigned to echo by IANA. Referenced in 2 IDS rules, with no notable malware activity in monitored traffic.
UDP Port 9 – discard
UDP port 9 is assigned to discard by IANA. Referenced in 1 IDS rule, with no notable malware activity in monitored traffic.
UDP Port 19 – chargen
UDP port 19 is assigned to chargen by IANA. Referenced in 1 IDS rule, with no notable malware activity in monitored traffic.
TCP Port 20 – ftp-data
TCP port 20 is assigned to ftp-data by IANA. Referenced in 12 IDS rules, with high malware activity observed in monitored traffic.
TCP Port 21 – FTP (File Transfer Protocol)
Port 21 is the standard control port for FTP, the File Transfer Protocol used since the early 1970s to transfer files between computers across a network.
UDP Port 80 – HTTP (Hypertext Transfer Protocol)
UDP port 80 is assigned to http by IANA. Referenced in 2 IDS rules, with low malware activity observed in monitored traffic.
TCP Port 80 – HTTP (Hypertext Transfer Protocol)
Port 80 is the original port for HTTP, the Hypertext Transfer Protocol that web browsers and web servers use to exchange web pages, images, scripts