diff options
Diffstat (limited to 'roles/common/files/etc/network/if-pre-up.d')
| -rwxr-xr-x | roles/common/files/etc/network/if-pre-up.d/iptables | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/roles/common/files/etc/network/if-pre-up.d/iptables b/roles/common/files/etc/network/if-pre-up.d/iptables index 6a50948..514f774 100755 --- a/roles/common/files/etc/network/if-pre-up.d/iptables +++ b/roles/common/files/etc/network/if-pre-up.d/iptables @@ -1,38 +1,38 @@ #!/bin/bash -# +# # A pre-up hook to auto-(re)load the iptables rulesets whenever the # network is brought up. If the action fails, an alert message is passed # to syslogd. # # Copyright 2013 Guilhem Moulin <guilhem@fripost.org> # # Licensed under the GNU GPL version 3 or higher. # set -uo pipefail PATH=/usr/sbin:/usr/bin:/sbin:/bin # NOTE: syslog starts after networking during the boot process, messages # won't be logged at boot time. log="/usr/bin/logger -st firewall" -# Ignore the loopback interface; run the strip for ifup only. +# Ignore the loopback interface; run the script for ifup only. [ "$IFACE" != lo -a "$MODE" = start ] || exit 0 # We support only IPv4 and IPv6. [ "$ADDRFAM" = inet -o "$ADDRFAM" = inet6 ] || exit 0 $log -p syslog.info -- "Loading $ADDRFAM firewall on interface $IFACE." case "$ADDRFAM" in inet) iptr=/sbin/iptables-restore; rules=rules.v4;; inet6)iptr=/sbin/ip6tables-restore; rules=rules.v6;; esac rules="/etc/iptables/$rules" $iptr < $rules 2>&1 | $log -p syslog.err rv=$? [ $rv -gt 0 ] && $log -p syslog.alert \ "WARN: Failed to load iptables rulesets; the machine may be unprotected!" exit $rv |