Re: Slightly OT (maybe?)

"Barry Cohen \(Barca-Solutions\)" <bcohen@xxxxxxxxxxxxxxxxxxx> wrote:

>>
Is there any way (using Webmin of course) to block access to port 25 via
telnet, but still keep it open for sendmail? I'm using RH Linux 6.2.
<<

The SMTP protocol (go see RFC 821, from memory) is a text-based protocol
running over a TCP connection, just like FTP, HTTP and - surprise,
surprise! - telnet. What you are asking is analogous to, "Is there any way
to block cars from this private road, while still keeping it open to
cars?". . .

Best,

--- Les [http://www.lesbell.com.au]




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