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echo: bbbs.util
to: All
from: Jeff Smith
date: 2015-01-28 13:16:50
subject: BBBS and Telnet Ligins?

Hello All,

As I have mentioned recently I have been one of a number of SysOp's that
have been subject to telnet login attacks via IP. This is not a fault of
BBBS as other BBS/Mailer software have recieved the same attacks. I opened
up port 23 in Radius the other day and within 2 minutes one incomming
telnet IP opened up 15 sessions. Most IP's are based in China, with some
from Korea, and a few from Mexico. In checking the IP's I bet I have added
1000 IP's to my Inet file in the last week to be blocked. I have a file of
all China based IP's but am reluctant to block China as a whole because of
the actions of a relatively small number of people.

In BBBS is it possible to limit the time BBBS will wait at a telnet login
prompt before the login is aborted and the node closed?

Is there a way in BBBS to limit or prevent BBBS from opening up all
available nodes via telnet or FTP login attempt? Currently BBBS opens up
all available nodes based on a single incoming telnet IP.

Jeff

--- BBBS/Li6 v4.10 Dada-2
* Origin: Prism bbs (1:261/38)
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@PATH: 261/38 712/848 633/280 267

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