[submission] update to proftpd section

[M.W.Chang]

finally found a way to avoid using < and >

Try this to see the difference:

<xmp> testing <tag> </xmp>
<pre> testing <tag> </pre>

"M.W.Chang [linuxism]" wrote:
> 
> I have added more detailed explanation and steps into the proftpd
> section,

-- 
May the Force and Farce be with Linux and you.
Join the friendly chit-chat in http://www.linux-sxs.org &
news://news.hkpcug.org