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 From:  "Chris Buechler" <cbuechler at gmail dot com>
 To:  Emre <kelaynak2000 at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] How to LAN port block 25
 Date:  Sun, 3 Jun 2007 19:35:24 -0400
On 6/3/07, Emre <kelaynak2000 at gmail dot com> wrote:
> hi,
> i'm using ip120 on mo0n0wall 1.26. LAN->WAN connecting. how smtp 25 port
> block LAN side ?

If you only want to block port 25, create a rule on your LAN that
rejects TCP 25 and put it above the default allow all rule. Reject is
usually preferable to block on the LAN.