TID: Mystic BBS 1.12 A46
MSGID: 4:900/107 dfe2cb40
REPLY: 102.fidonet_linuxbbs@1:104/116 2476c703
TZUTC: -0300
On 27 Jan 2021, Brian Klauss said the following...
 
 BK>   Re: Re: Run a BBS on a Linux Server
 BK>   By: Benny Pedersen to Phillip Taylor on Sun Nov 15 2020 06:32 pm
 BK> 
 BK>  > is there any better telnet port that is more safe to use ?
 BK>  >
 BK>  > retoric all internet service is based on telnet, so only ssl is a secui
 BK>  > layer on top of it, all the remaining ports is basicly still telnet
 BK> 
 BK> If you keep an eye on your inbound traffic and immediately create a rule
 BK> to "can" the IP or IP-range, you protect yourself a little better.

If it helps, I created a rule for fail2ban that supports the Mystic BBS log,
so it can block attacks, probes, etc.

I could adapt it to other softwares, if I am provided with appropriate log
files.

Cheers.

PS: This is what I refer to: http://darkgame.buanzo.org/mystic/

--- Mystic BBS v1.12 A46 2020/08/26 (Linux/64)
 * Origin: DaRK Game BBS (4:900/107)
SEEN-BY: 1/123 4/0 80/1 88/0 90/0 1 105/81 120/340 123/131 129/305
SEEN-BY: 135/367 226/30 227/114 702 229/101 424 426 452 550 616 664
SEEN-BY: 229/700 981 1016 1017 240/5832 249/206 317 400 282/1038 292/854
SEEN-BY: 317/3 322/757 342/200 633/280 900/0 100 102 105 106 107 108
SEEN-BY: 902/0 6 10 19 26 27 100
PATH: 900/107 902/27 90/1 229/426