| 1 |
# I think that a set of rules that looks something like this would be easier |
| 2 |
to maintain |
| 3 |
# there are 500 little tricks that I could add if I was home and had my |
| 4 |
notes |
| 5 |
|
| 6 |
iptables -P INPUT DROP |
| 7 |
iptables -A INPUT -i lo -j ACCEPT |
| 8 |
|
| 9 |
#this will take care of all interfaces by default |
| 10 |
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT |
| 11 |
|
| 12 |
# maybe you should just use one interface for portage to connect through |
| 13 |
such as eth0 |
| 14 |
# might also be a good plan to use the mac address instead of the ip it is a |
| 15 |
little harder to spoof |
| 16 |
|
| 17 |
#Allow rsync connections from study1 to update portage |
| 18 |
iptables -A INPUT -i eth0 -p tcp -s 192.168.0.2 -m tcp --dport 873 -d |
| 19 |
192.168.0.5 -j ACCEPT |
| 20 |
#Allow tcp connections from study1 to download distfiles |
| 21 |
iptables -A INPUT -i eth0 -p tcp -s 192.168.0.2 -m tcp --dport 1024 -d |
| 22 |
192.168.0.5 -j ACCEPT |
| 23 |
# these rules are kinda taken car of by: iptables -P INPUT DROP |
| 24 |
# iptables -A INPUT -p tcp -i ${x} -j DROP |
| 25 |
# iptables -A INPUT -p udp -i ${x} -j DROP |
Archives