Commonly Probed Ports
Terms
undefined, object
copy deck
- ttymux
- 1 TCP Hi possibly part of an sscan probe
- echo
- 7 TCP/UDP Hi potential UDP attack
- systat
- 11 TCP Hi system/user information (ps)
- daytime
- 13 TCP/UDP Hi return time and date in ASCII
- unassigned
- 15 TCP Hi was netstat: open connections, routing tables, etc.
- chargen
- 19 TCP/UDP Hi potential UDP attack
- ftp
- 21, 20 TCP Lo famous file transfer service
- ssh
- 22 UDP Lo old version of PC Anywhere
- telnet
- 23 TCP Med remote login
- smtp
- 25 TCP Hi looking for spam relay
- time
- 37 TCP/UDP Hi return time and date in binary
- DNS
- 53 TCP Hi compromising a DNS server via TCP zone transfers
- tftpd
- 69 UDP Med very insecure ftp alternative
- finger
- 79 TCP Lo user account information