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Date:      Wed, 27 Feb 2008 16:46:48 -0500
From:      "Vadym Chepkov" <vchepkov@gmail.com>
To:        "Gilberto Villani Brito" <linux@giboia.org>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: floating keep state
Message-ID:  <1635d77d0802271346g4cf02b8et8bc74d16f6e97e45@mail.gmail.com>
In-Reply-To: <6e6841490802271310o3e5976a4gef2cb507087c01b@mail.gmail.com>
References:  <1635d77d0802271143u2aeb0b13we310ea1a611afaa8@mail.gmail.com> <6e6841490802271310o3e5976a4gef2cb507087c01b@mail.gmail.com>

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You can omit 'from any' or 'to any' as redundant if pf.conf.

# pfctl -sr|grep www_servers
pass in quick proto tcp from any to <www_servers> port = http flags
S/SA keep state
pass in quick proto tcp from any to <www_servers> port = https flags
S/SA keep state


On Wed, Feb 27, 2008 at 4:10 PM, Gilberto Villani Brito
<linux@giboia.org> wrote:
> I didnt understand this rule:
>
>  pass in quick proto tcp to <www_servers> port $www_tcp_ports flags
>   S/SA keep state
>
>  I think is:
>  pass in quick proto tcp from any to <www_servers> port $www_tcp_ports
>
> flags S/SA keep state
>
>
>  --
>  Gilberto Villani Brito
>  System Administrator
>  Londrina - PR
>  Brazil
>  gilbertovb(a)gmail.com
>
>
>
>
>
>  On 27/02/2008, Vadym Chepkov <vchepkov@gmail.com> wrote:
>  > All,
>  >
>  >  I must be doing something wrong, but I can't figure it out.
>  >  I actually simplify the network structure, to keep it simple
>  >
>  >  - a client and a web server are on different network segments;
>  >  - all incoming connections to the client are prohibited;
>  >  - client should be allowed to access web server and get a reply;
>  >
>  >  Here are the rules:
>  >
>  >  set state-policy floating
>  >  pass in quick proto tcp to <www_servers> port $www_tcp_ports flags
>  >  S/SA keep state
>  >  block in log to <protected_dev_net>
>  >
>  >  In the pflog I can see that reply packet from www server is blocked on
>  >  server's segment interface. I thought 'set state-policy floating'
>  >  should create a rule interface independent and allow a reply? Am I
>  >  wrong?
>  >
>  >  Thank you,
>  >
>  > Vadym Chepkov
>  >  _______________________________________________
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