Re: IPSec for Packet Filtering

From: S. Pidgorny [MVP] (slavickp@yahoo.com)
Date: 03/08/03


From: "S. Pidgorny [MVP]" <slavickp@yahoo.com>
Date: Sat, 8 Mar 2003 12:16:41 +1100


Another thing theat IPsec filtering lacks is any protection against IP
spoofing.

-- 
Svyatoslav Pidgorny, MS MVP, MCSE
-= F1 is the key =-
"Karl Levinson [x y] mvp" <levinson_k@despammed.com> wrote in message
news:uOo9wxQ5CHA.1732@TK2MSFTNGP12.phx.gbl...
> Try the links listed here:
>
> http://securityadmin.info/faq.htm#ipsec
>
> Blocking just a few ports doesn't make for a very effective security
> solution and doesn't make you very much more secure.  You really want to
> block ALL ports both incoming and outgoing, except for those you
> specifically want or need to permit.  IPSec filtering lacks logging and
> alerting and intrusion detection, so if you are hacked, you won't have any
> evidence there of who did it, or you suspect your filtering is blocking
> something, it'll be difficult to determine which port if any needs to be
> opened.  Really, IPSec is OK if used in addition to a firewall, but is
> probably not a good replacement for a firewall.  There are even free
> firewalls you can use, such as these:
>
> http://securityadmin.info/faq.htm#firewall
>
>
> "Ray" <res0cu5i@verizon@net> wrote in message
> news:ekNFAXM5CHA.1896@TK2MSFTNGP10.phx.gbl...
> >      I would like to use an IPSec Filter for packet filtering on an MS
SQL
> > server.  I've created new filter to block 1433 & 1434 TCP/UDP traffic to
> > this server (Source Ports are 1433 & 1434 while the Dest Ports are ANY).
> > Under the Filter Action tab I've selected "Require Security - Block".
> Since
> > this (Require Security) is a radio button, does it matter what Filter
> > Actions are selected for the "Request Security" & "Permit" options?
> >      I've looked through the ResKit but didn't find much info on using
> IPSec
> > for Packet Filtering, the same goes for TechNet.  What are some good
texts
> > or links for this kind of info?
> > Thanks in advance,
> > Ray
> >
> >
>
>
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