Date: Mon, 3 Jun 2002 07:28:39 -0700 (PDT) From: Walid Nehme <walidn@yahoo.com> To: freebsd questions <freebsd-questions@freebsd.org> Subject: problem with Bridge, dummynet, ipfw. Message-ID: <20020603142839.88471.qmail@web10003.mail.yahoo.com>
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Dear Sirs.
I configured a bridge today, as follows.
cp /usr/src/sys/i386/conf/GENERIC Firewall
and added there the lines :
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #enable logging to
options IPFIREWALL_FORWARD #enable transparent
options IPFIREWALL_VERBOSE_LIMIT=100 #limit
options DUMMYNET
options BRIDGE
options HZ=10
options NMBCLUSTERS=8192
then config firewall, then cd ../../compile/firewall
make depend, make , make installed.
In file sysctl.conf add
net.link.ether.bridge_cfg=rl0:0;rl1:0
net.link.ether.bridge=1
net.link.ether.bridge_ipfw=1
net.inet.ip.fw.one_pass=0 #i need this for traf shapping.
net.inet.ip.fw.enable=1
and put in my firewall ruels the following.
I enforce rate limiting on each host in my network
individually? I want to enforce an upstream limit of
64Kbit/s and a downstream of 384Kbit/s for each host; in
addition, I want to disallow all external hosts from
initiating connexions with the hosts on my network so that
no one can run any servers.
pipe 10 config mask src-ip 0x000000ff bw 64kbit/s queue
8Kbytes
pipe 20 config mask dst-ip 0x000000ff bw 384kbit/s queue
8Kbytes
add 100 deny icmp from any to 12.18.123.0/24 in via xl0
icmptypes 8
add 110 check-state
add 1000 pipe 10 all from 12.18.123.0/24 to any out via
xl0
add 1100 pipe 20 all from any to 12.18.123.0/24 in via xl0
add 1200 allow tcp from 12.18.123.0/24 to any out via xl0
setup
keep-state
add 1200 allow udp from 12.18.123.0/24 to any out via xl0
keep-state
add 1300 allow icmp from 12.18.123.0/24 to any out
icmptypes 8
keep-state
add 65535 deny all from any to any
In the resault i get the following error message in a huge
number on the console:
--loop(0) macaddress to rl0 from rl1 (active)
--loop(1) same macaddress to rl1 from rl0 (active)
/kernel: --loop(0) macaddress to rl0 from rl1(active)
/kernel: --loop(1) same macaddress to rl1 from rl0 (active)
and the bridge didnt work. i couldnt ping anything or surf
the internet. Then i tried with open firewall adding
add 100 pass all from any to any .
and i get the same resault.
CAN ANY ONE HELP?
=====
Regards.
Walid Nehme
ICQ:5855336
MSN:nastylid@hotmail.com
"The only reason I'm burning my candle at both ends, is because I haven't figured out how to light the middle yet"
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