X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/blobdiff_plain/78c56de162e7d1248eeaf10061c23dec184fe0e7..4f8c198960217f631e0fcb20e8615fc93c3d1da2:/vampire.m4 diff --git a/vampire.m4 b/vampire.m4 index 450bdff..e016358 100644 --- a/vampire.m4 +++ b/vampire.m4 @@ -1,4 +1,4 @@ -### -*-m4-*- +### -*-sh-*- ### ### Firewall configuration for vampire ### @@ -22,59 +22,61 @@ ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ###-------------------------------------------------------------------------- -### Network interfaces. - -m4_divert(44)m4_dnl -## Interface definitions. -if_untrusted=eth0.1 -if_trusted=eth0.0 -if_vpn=vpn-+ -if_its_mz=eth0.0 -if_its_pi=eth0.0 - -m4_divert(-1) -###-------------------------------------------------------------------------- ### vampire-specific rules. -m4_divert(82)m4_dnl +m4_divert(86)m4_dnl ## Externally visible services. allowservices inbound tcp \ finger ident \ - dns \ ssh \ - smtp \ + smtp submission \ gnutella_svc \ ftp ftp_data \ rsync \ - http https \ - git -allowservices inbound tcp \ - tor_public tor_directory + imaps \ + disorder mpd \ + http https squid \ + git \ + tor_public tor_directory i2p allowservices inbound udp \ - dns \ tripe \ - gnutella_svc + gnutella_svc \ + i2p + +## Extend some services to local untrusted hosts. +clearchain inbound-untrusted +run iptables -A inbound -j inbound-untrusted -s $net_inet_untrusted +run ip6tables -A inbound -j inbound-untrusted -s $net_inet6_untrusted -## Provide DNS resolution to local untrusted hosts. -for p in tcp udp; do - run iptables -A inbound -j ACCEPT \ - -s 172.29.198.0/24 \ - -p $p --destination-port $port_dns -done +allowservices inbound-untrusted tcp \ + dns \ + lpd \ + netbios_ssn microsoft_ds +allowservices inbound-untrusted udp \ + dns \ + tftp ## Provide syslog for evolution. run iptables -A inbound -j ACCEPT \ -s 172.29.198.2 \ -p udp --destination-port $port_syslog -## Provide a web cache to local untrusted hosts. -run iptables -A inbound -j ACCEPT \ - -s 172.29.198.0/24 \ - -p tcp --destination-port $port_squid +## Watch outgoing Tor usage. +run iptables -A OUTPUT -m multiport \ + -p tcp --source-ports $port_tor_public,$port_tor_directory ## Other interesting things. dnsresolver inbound -ntpclient inbound 158.152.1.76 158.152.1.204 194.159.253.2 +dnsserver inbound +ntpclient inbound $ntp_servers + +## Provide NTP service to untrusted clients. +iptables -A inbound -p udp -j ACCEPT \ + --source-port 123 --destination-port 123 \ + -s 172.29.198.0/23 +ip6tables -A inbound -p udp -j ACCEPT \ + --source-port 123 --destination-port 123 \ + -s 2001:470:9740::/48 m4_divert(-1) ###----- That's all, folks --------------------------------------------------