At 01:27 PM 12/7/00 +0800, you wrote:
Yes you should... because you're initiating a telnet session. The
"^]" is a command to return to the telnet prompt which is "telnet>".
>It seems that I can telnet every listening port in
>my RedHat 6.2 box. Whenever I telnet a port, say 113,
>I get a ^] prompt and typing that will get me to the
You don't need to worry about other ports that are not binded to a
service/daemon. What you need to monitor are the services/ports that are
running like 25,21,110,etc. You can use "tcp wrapper" to put restrictions
on those services/daemons. Consult your /var/log/secure and
/var/log/messages for any security infos.
>telnet> prompt. Is there any known security issues
>regarding that ? If there are, how would I know if
>somebody telnet to my ports ? What stats or logs
>would give me those information ? I tried to use ipchains
>to block the source port but it seems that the port is
>not permanent coz when I tried to block 0-10000, it didn't
>connect at first but later it did.
---
Reynald I. Ngo
Express Internet, Inc.
Express Telecoms Co., Inc.
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