Subj : Port 23, Telnet, and Internet Background Radiation
To   : DustCouncil
From : Oli
Date : Fri Feb 10 2023 11:48:07

DustCouncil wrote (2023-02-05):

 D> For the month of January 2002, these are the top ports in /etc/services
 D> that machines on the Internet are trying to connect to:

 D> Port 23   - 13116 hits [telnet]
 D> Port 22   -  5067 hits [ssh]
 D> Port 8080 -  4378 hits [http-alt]
 D> Port 80   -  2864 hits [http]
 D> Port 443  -  2032 hits [https]
 D> Port 1433 -  1426 hits [ms-sql-s]
 D> Port 123  -   815 hits [ntp]
 D> Port 8081 -   800 hits [tproxy]
 D> Port 53   -   686 hits [dns]
 D> Port 3306 -   465 hits [mysql]
 D> Port 21   -   453 hits [ftp cmd]

 D> It's interesting to me that in 2023, telnet is the most thwacked of all
 D> ports, when it is largely considered deprecated.  Not only that, it is
 D> the top port by a very large margin.

I'm still using Telnet, but only over TLS. It still works fine for a deprecated protocol.

Interestingly not a single connection on port 24554 (binkp).

⁂

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 * Origin: War is Peace. Freedom is Slavery. Ignorance is Strength. (21:3/102)

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