firewall: allow 127.0.0.1/8 on lo.

1 files changed, 1 insertions, 1 deletions

diff --git a/roles/common/files/usr/local/sbin/update-firewall.sh b/roles/common/files/usr/local/sbin/update-firewall.sh
index 33b6ef1..f25f507 100755
--- a/roles/common/files/usr/local/sbin/update-firewall.sh
+++ b/roles/common/files/usr/local/sbin/update-firewall.sh
@@ -239,41 +239,41 @@ run() {
 
     elif [ "$f" = 6 ]; then
         # Martian IPv6 packets: ULA (RFC 4193) and site local addresses
         # (RFC 3879).
         for ip in fc00::/7 fec0::/10; do
             iptables -A INPUT -i $if -s "$ip" -j DROP
             iptables -A INPUT -i $if -d "$ip" -j DROP
         done
     fi
 
     # DROP INVALID packets immediately.
     iptables -A INPUT  -m state --state INVALID -j DROP
     iptables -A OUTPUT -m state --state INVALID -j DROP
 
     # DROP bogus TCP packets.
     iptables -A INPUT -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
     iptables -A INPUT -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
     iptables -A INPUT -p tcp \! --syn -m state --state NEW      -j DROP
 
     # Allow all input/output to/from the loopback interface.
-    local localhost=$(inet46 $f '127.0.0.1/32' '::1/128')
+    local localhost=$(inet46 $f '127.0.0.1/8' '::1/128')
     iptables -A INPUT  -i lo -s "$localhost" -d "$localhost" -j ACCEPT
     iptables -A OUTPUT -o lo -s "$localhost" -d "$localhost" -j ACCEPT
 
     if [ "$ipsec" ]; then
         # ACCEPT any, *IPSec* traffic destinating to the non-routable
         # $ipsec.  Also ACCEPT all traffic originating from $ipsec, as
         # it is MASQUERADE'd.
         iptables -A INPUT  -d "$ipsec" -i $if -m policy --dir in \
             --pol ipsec --proto $secproto -j ACCEPT
         iptables -A OUTPUT -m mark --mark "$secmark" -o $if -j ACCEPT
     fi
 
     # Prepare fail2ban.  We make fail2ban insert its rules in a
     # dedicated chain, so that it doesn't mess up the existing rules.
     [ $fail2ban -eq 1 ] && iptables -A INPUT -i $if -j fail2ban
 
     if [ "$f" = 4 ]; then
         # Allow only ICMP of type 0, 3 and 8.  The rate-limiting is done
         # directly by the kernel (net.ipv4.icmp_ratelimit and
         # net.ipv4.icmp_ratemask runtime options).  See icmp(7).