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authorBill Nottingham <notting@redhat.com>2001-08-09 05:21:22 +0000
committerBill Nottingham <notting@redhat.com>2001-08-09 05:21:22 +0000
commit7f74c1be33abd8013a9164c0b62e0b90c6dd1428 (patch)
tree93310ad21980c436b76e15a7448eff6fa09d3799 /sysconfig/network-scripts/ifup-post
parent40e74a9fc0cd709ad18aca6bf5196da093fada6b (diff)
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only allow dest port 1025-65535 for DNS replies (#40833, #44038)
Diffstat (limited to 'sysconfig/network-scripts/ifup-post')
-rwxr-xr-xsysconfig/network-scripts/ifup-post2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysconfig/network-scripts/ifup-post b/sysconfig/network-scripts/ifup-post
index 5809220d..10a6fa16 100755
--- a/sysconfig/network-scripts/ifup-post
+++ b/sysconfig/network-scripts/ifup-post
@@ -91,7 +91,7 @@ if [ "$FIREWALL_MODS" != "no" -a -n "$FWACTIVE" ]; then
if [ -n "$ns" ]; then
for nameserver in $ns ; do
if ! ipchains -L input -n | grep -q $nameserver ; then
- ipchains -I input -s $nameserver/32 53 -p udp -j ACCEPT
+ ipchains -I input -s $nameserver/32 53 -d 0/0 1025:65535 -p udp -j ACCEPT
logger $"punching nameserver $nameserver through the firewall"
fi
done