Date: Fri, 8 Nov 2013 09:05:50 -0500 From: Jason Hellenthal <jhellenthal@dataix.net> To: claudiu vasadi <claudiu.vasadi@gmail.com> Cc: "freebsd-pf@freebsd.org" <freebsd-pf@freebsd.org> Subject: Re: FreeBSD 9.1-STABLE - pf rule being ignored Message-ID: <C55476A9-F352-4615-9DFB-8705D583DCC1@dataix.net> In-Reply-To: <CAM-i3ihX43UxmrM-ThOP=nK2qr=jMpzab-zB7o_x--C2eDWUKg@mail.gmail.com> References: <CAM-i3ihX43UxmrM-ThOP=nK2qr=jMpzab-zB7o_x--C2eDWUKg@mail.gmail.com>
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--Apple-Mail-0F95FABC-56C5-483E-9284-EBBF86F5B58F Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Curious if your line breaks are correct ? Your block and pass rule appear to= be on the same line. This should do it . . .=20 block in all block return in quick from !$internal_ip to $external_ip pass out all keep state But if you already have a block all rul there is no need for the second as y= our already blocking all traffic so I might suggest this not mowing your top= ology. I also would not suggest "return" for non internal traffic except for specif= ic targeted services that it might affect. . . .=20 :BEGIN spoof on lo0 spoof on $ext_if block all pass out quick from $me pass in quick from $int to $me :END=20 And that should accomplish what you are trying to do IIUC. You can use pftop to verify packets on hit rules. > On Nov 8, 2013, at 8:41, claudiu vasadi <claudiu.vasadi@gmail.com> wrote: >=20 > Hi all, >=20 > I have a 9.1-STABLE r251615 acting as a firewall. >=20 > The rules: > block in all pass out all keep state [...] block return from !$internal_ip= > to $external_ip >=20 >=20 >=20 > What I want is to block all the network except $internal to from accessing= > $external_ip. For some reason, the above rule simply does not work. > However, the below does work and block everyone except $internal_ip: >=20 > block return from $internal_net/24 to $external_ip pass from $internal_ip > to $external_ip >=20 >=20 > Why is this? I remember reading the docs for OpenBSD 4.5 and I guess it > should work like in the first example. >=20 > PS: Yes, I can see the rule with pfctl -sr and it does translate properly.= >=20 > --=20 > Best regards, > Claudiu Vasadi > _______________________________________________ > freebsd-pf@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-pf > To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org" --Apple-Mail-0F95FABC-56C5-483E-9284-EBBF86F5B58F Content-Type: application/pkcs7-signature; name=smime.p7s Content-Disposition: attachment; filename=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIUOTCCBjAw ggUYoAMCAQICAwaijjANBgkqhkiG9w0BAQsFADCBjDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0 YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcx ODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENB 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