Security Tips

Files
smap-patch.txt smap, smapd which involved in TIS FireWall ToolKit is wrapper daemon for sendmail. It does not check spam mail illegal relay. so I make it does check that. keep your site off from spam mail relay.
instalation:
after expanding fwtk2.1.tar.Z, copy smap-patch.txt in fwtk/work/smap/ directory. and make like this.
>cp smap.c smap.c.org
>patch smap.c smap-patch.txt
>make
usage:
write your permit hosts or deny hosts in /usr/local/etc/netperm-table. like this.
smap:	relaycheck	on
smap:	permit-hosts	kaji.co.jp
smap:	permit-hosts	192.168.0.*
smap:	deny-hosts	spam.com
This source is so short. I recommend you to check that it's not set up with a back door. I think It's a good habit.
if you have any suggestion, question or mention of wrong usage of english (which is not my native language.), please e-mail me.ykaji@usa.net

By Kaji yasuyuki:ykaji@usa.net
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