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For the "client" and "simple" network types, collapse the separate "net"

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and "mask" variables into a single "net" variable that contains a full
network address (including either a netmask or prefix length at the user's
choice).  Update the example settings to match.

MFC after:	2 weeks
This commit is contained in:
John Baldwin 2008-08-15 19:14:25 +00:00
parent 228835b658
commit 176baffe3f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=181761
1 changed files with 11 additions and 14 deletions
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25
etc/rc.firewall
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@ -166,16 +166,15 @@ case ${firewall_type} in
# against people from outside your own network.
############
# set these to your network and netmask and ip
net="192.0.2.0"
mask="255.255.255.0"
# set these to your network
net="192.0.2.0/24"
# Allow limited broadcast traffic from my own net.
${fwcmd} add pass all from ${net}:${mask} to 255.255.255.255
${fwcmd} add pass all from ${net} to 255.255.255.255
# Allow any traffic to or from my own net.
${fwcmd} add pass all from me to ${net}:${mask}
${fwcmd} add pass all from ${net}:${mask} to me
${fwcmd} add pass all from me to ${net}
${fwcmd} add pass all from ${net} to me
# Allow TCP through if setup succeeded
${fwcmd} add pass tcp from any to any established
@ -210,19 +209,17 @@ case ${firewall_type} in
# on the inside at this machine for those services.
############
# set these to your outside interface network and netmask and ip
# set these to your outside interface network
oif="ed0"
onet="192.0.2.0"
omask="255.255.255.240"
onet="192.0.2.0/28"
# set these to your inside interface network and netmask and ip
# set these to your inside interface network
iif="ed1"
inet="192.0.2.16"
imask="255.255.255.240"
inet="192.0.2.16/28"
# Stop spoofing
${fwcmd} add deny all from ${inet}:${imask} to any in via ${oif}
${fwcmd} add deny all from ${onet}:${omask} to any in via ${iif}
${fwcmd} add deny all from ${inet} to any in via ${oif}
${fwcmd} add deny all from ${onet} to any in via ${iif}
# Stop RFC1918 nets on the outside interface
${fwcmd} add deny all from any to 10.0.0.0/8 via ${oif}