Re: Firewall blocking natd redirect

2004-02-28 Thread anubis
On Sat, 28 Feb 2004 3:47 am, Derrick Ryalls wrote:
 I have a port redirect, public port 5001 to an internal machine
 port 3389, for Remote Desktop that works well in natd as long as I
 don't fire up my custom firewall:

 0005023427286 divert 8668 ip from any to any via sis0
 00100 24 6080 allow ip from any to any via lo0
 00200  00 deny ip from any to 127.0.0.0/8
 00300  00 deny ip from 127.0.0.0/8 to any
 00400  00 check-state
 00500  2  186 allow ip from 192.168.1.1 to 192.168.1.0/24
 00600  4  266 allow ip from 192.168.1.0/24 to 192.168.1.1
 00700 34 3399 allow ip from any to any keep-state in recv
 dc0 00800 18 2093 allow ip from any to any keep-state out
 xmit sis0 00900  00 allow ip from any to any keep-state
 out xmit dc0 01000  00 allow ip from any to
 0.0.0.255:0.0.0.255 in recv dc0 01100  00 allow ip from
 192.168.1.1 to any keep-state 01200  00 allow udp from
 any to any 53 keep-state 01300  00 allow tcp from any
 to any 53 keep-state 01400  00 allow udp from any to
 any 25 keep-state 01500  00 allow tcp from any to any
 25 keep-state 01600  00 allow tcp from any to any 993
 keep-state 0170018818936 allow tcp from any to any 22
 keep-state 01800  00 allow tcp from any to any 80
 keep-state 01900  00 allow tcp from any to any 5001
 keep-state 65535 173082 56255563 deny ip from any to any


 sis0 is the public interface and dc0 is the internal.

 Right now I don't might so much having reduntant rules, but I would
 like my functionality back without doing an allow from any to any. 
 Any ideas on what I am missing?

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I have similar problem.  I came accross this thread that may be of 
assistance in understanding  your problem.

http://lists.freebsd.org/pipermail/freebsd-questions/2004-January/032694.html

It appears there may be a problem with stateful rules and port 
forwarding.

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Firewall blocking natd redirect

2004-02-27 Thread Derrick Ryalls
I have a port redirect, public port 5001 to an internal machine port 3389,
for Remote Desktop that works well in natd as long as I don't fire up my
custom firewall:

0005023427286 divert 8668 ip from any to any via sis0
00100 24 6080 allow ip from any to any via lo0
00200  00 deny ip from any to 127.0.0.0/8
00300  00 deny ip from 127.0.0.0/8 to any
00400  00 check-state
00500  2  186 allow ip from 192.168.1.1 to 192.168.1.0/24
00600  4  266 allow ip from 192.168.1.0/24 to 192.168.1.1
00700 34 3399 allow ip from any to any keep-state in recv dc0
00800 18 2093 allow ip from any to any keep-state out xmit sis0
00900  00 allow ip from any to any keep-state out xmit dc0
01000  00 allow ip from any to 0.0.0.255:0.0.0.255 in recv dc0
01100  00 allow ip from 192.168.1.1 to any keep-state
01200  00 allow udp from any to any 53 keep-state
01300  00 allow tcp from any to any 53 keep-state
01400  00 allow udp from any to any 25 keep-state
01500  00 allow tcp from any to any 25 keep-state
01600  00 allow tcp from any to any 993 keep-state
0170018818936 allow tcp from any to any 22 keep-state
01800  00 allow tcp from any to any 80 keep-state
01900  00 allow tcp from any to any 5001 keep-state
65535 173082 56255563 deny ip from any to any


sis0 is the public interface and dc0 is the internal.

Right now I don't might so much having reduntant rules, but I would like my
functionality back without doing an allow from any to any.  Any ideas on
what I am missing?

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