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FreeBSD Security Archives: Re: How to prevent motd including os

Re: How to prevent motd including os info


Ben Smithurst (benscientia.demon.co.uk)
Sun, 12 Sep 1999 01:25:24 +0100


Jeremy L. Ramirez wrote:

> telnet stream tcp nowait root /usr/libexec/telnetd telnetd -h
>
> what you are doing is adding the -h at the end of the line which prevents
> a user from seeing the OS before even logging in.

An even better way is to disable telnet completely, and use ssh like you
should. Note that people can still use nmap or something to guess at
your OS.

-- 
Ben Smithurst            | PGP: 0x99392F7D
benscientia.demon.co.uk |   key available from keyservers and
                         |   ben+pgpscientia.demon.co.uk

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This archive was generated by hypermail 2.0b3 on Sat Sep 11 1999 - 20:42:02 CDT