Date: Thu, 08 Nov 2007 23:34:14 +0100 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Max Laier <max@love2party.net> Cc: freebsd-net@freebsd.org Subject: Re: pf misfeature Message-ID: <86fxzgl63d.fsf@ds4.des.no> In-Reply-To: <200711082259.46222.max@love2party.net> (Max Laier's message of "Thu\, 8 Nov 2007 22\:59\:35 %2B0100") References: <86zlxoblmj.fsf@ds4.des.no> <200711082043.31664.max@love2party.net> <86ve8cbiee.fsf@ds4.des.no> <200711082259.46222.max@love2party.net>
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Max Laier <max@love2party.net> writes:
> On Thursday 08 November 2007, Dag-Erling Smørgrav wrote:
> > With "pass on $eth from $lan to $lan", NFS doesn't work. With "pass on
> > $eth inet proto { tcp, udp } from $lan to $lan", it does.
> thinking about it, this could be a strange interaction with skip
> steps. Could you provide "pfctl -gvsr" with either rule(s)? In
> private mail if you prefer.
With (NFS works):
@0 block return quick inet6 all
[ Skip steps: i=3 d=3 p=2 sa=4 sp=end da=3 dp=3 ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 0 Bytes: 0 States: 0 ]
@1 block return log all
[ Skip steps: i=3 d=3 sa=4 sp=end da=3 dp=3 ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 0 Bytes: 0 States: 0 ]
@2 pass inet proto icmp all icmp-type echoreq keep state
[ Skip steps: f=end sa=4 sp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 0 Bytes: 0 States: 0 ]
@3 pass in on sk0 inet proto tcp from any to (sk0:1) port = ssh flags S/SA keep state
[ Skip steps: i=end f=end p=5 sp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 0 Bytes: 0 States: 0 ]
@4 pass on sk0 inet proto tcp from (sk0:network:1) to (sk0:network:1) flags S/SA keep state
[ Skip steps: i=end d=6 f=end sa=6 sp=end da=6 dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 61 Packets: 1386 Bytes: 158934 States: 2 ]
@5 pass on sk0 inet proto udp from (sk0:network:1) to (sk0:network:1) keep state
[ Skip steps: i=end f=end sp=end dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 267 Bytes: 47931 States: 3 ]
@6 pass out on sk0 inet proto tcp from (sk0:1) to ! (sk0:network:1) flags S/SA keep state
[ Skip steps: i=end d=end f=end sa=end sp=end da=end dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 143 Packets: 0 Bytes: 0 States: 0 ]
@7 pass out on sk0 inet proto udp from (sk0:1) to ! (sk0:network:1) keep state
[ Skip steps: i=end d=end f=end p=end sa=end sp=end da=end dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 52 Packets: 0 Bytes: 0 States: 0 ]
Without (NFS doesn't work):
@0 block return quick inet6 all
[ Skip steps: i=3 d=3 p=2 sa=4 sp=end da=3 dp=3 ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 0 Bytes: 0 States: 0 ]
@1 block return log all
[ Skip steps: i=3 d=3 sa=4 sp=end da=3 dp=3 ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 4 Bytes: 5784 States: 0 ]
@2 pass inet proto icmp all icmp-type echoreq keep state
[ Skip steps: f=4 sa=4 sp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 0 Bytes: 0 States: 0 ]
@3 pass in on sk0 inet proto tcp from any to (sk0:1) port = ssh flags S/SA keep state
[ Skip steps: i=end sp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 69 Bytes: 9760 States: 1 ]
@4 pass on sk0 from (sk0:network:1) to (sk0:network:1) flags S/SA keep state
[ Skip steps: i=end f=end p=end sp=end dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 30 Bytes: 3443 States: 13 ]
@5 pass out on sk0 from (sk0:1) to ! (sk0:network:1) flags S/SA keep state
[ Skip steps: i=end d=end f=end p=end sa=end sp=end da=end dp=end ]
[ queue: qname= qid=0 pqname= pqid=0 ]
[ Evaluations: 18 Packets: 0 Bytes: 0 States: 0 ]
DES
--
Dag-Erling Smørgrav - des@des.no
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