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added to block-china script

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crowetic 2024-10-19 22:11:01 -07:00
parent 37787b8bb7
commit 18744a5460
1 changed files with 9 additions and 4 deletions
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13
block-china.sh
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@ -1,6 +1,6 @@
#!/bin/bash
# Block Chinese IP ranges
# List of Chinese IP ranges
declare -a ip_ranges=(
"36.0.0.0/8"
"39.0.0.0/8"
@ -32,14 +32,19 @@ declare -a ip_ranges=(
"203.0.0.0/8"
)
# Loop through the IP ranges and add iptables rules to block them
# Loop through the IP ranges and add iptables rules to block inbound and outbound traffic
for ip_range in "${ip_ranges[@]}"
do
# Block inbound traffic
sudo iptables -A INPUT -s $ip_range -j DROP
echo "Blocked IP range: $ip_range"
echo "Blocked inbound traffic from IP range: $ip_range"
# Block outbound traffic
sudo iptables -A OUTPUT -d $ip_range -j DROP
echo "Blocked outbound traffic to IP range: $ip_range"
done
# Add connection limit rule
# Add connection limit rule on port 12392
sudo iptables -A INPUT -p tcp --syn --dport 12392:12392 -m connlimit --connlimit-above 15 --connlimit-mask 32 -j REJECT --reject-with tcp-reset
echo "Connection limit rule added on port 12392"