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add scripts for server and client

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huyjaky
2025-08-25 13:35:47 +07:00
parent 5ad46bc45f
commit a1e5c28c13
3 changed files with 146 additions and 45 deletions
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68
.config/iptables_config/iptables_config_client.sh Normal file
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#!/bin/bash
# IPv4/IPv6 Simple & Safe firewall ruleset using iptables/ip6tables
# Equivalent to the provided nftables configuration
# Flush existing rules
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
ip6tables -F
ip6tables -X
ip6tables -t nat -F
ip6tables -t nat -X
ip6tables -t mangle -F
ip6tables -t mangle -X
# Set default policies
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
ip6tables -P INPUT DROP
ip6tables -P FORWARD DROP
ip6tables -P OUTPUT ACCEPT
# IPv4 Rules
# Allow established and related connections
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT -m comment --comment "allow tracked connections"
# Allow loopback traffic
iptables -A INPUT -i lo -j ACCEPT -m comment --comment "allow from loopback"
# Allow ICMP
iptables -A INPUT -p icmp -j ACCEPT -m comment --comment "allow icmp"
# Allow SSH
iptables -A INPUT -p tcp --dport 22 -j ACCEPT -m comment --comment "allow sshd"
# Open port ranges (WARNING: open ports)
iptables -A INPUT -p tcp --dport 8501:8509 -j ACCEPT -m comment --comment "open port range 8501-8509"
iptables -A INPUT -p tcp --dport 8511:8519 -j ACCEPT -m comment --comment "open port range 8511-8519"
# IPv6 Rules
# Allow established and related connections
ip6tables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT -m comment --comment "allow tracked connections"
# Allow loopback traffic
ip6tables -A INPUT -i lo -j ACCEPT -m comment --comment "allow from loopback"
# Allow ICMPv6
ip6tables -A INPUT -p ipv6-icmp -j ACCEPT -m comment --comment "allow icmp v6"
# Allow SSH
ip6tables -A INPUT -p tcp --dport 23 -j ACCEPT -m comment --comment "allow sshd"
# Open port ranges (WARNING: open ports)
ip6tables -A INPUT -p tcp --dport 8501:8509 -j ACCEPT -m comment --comment "open port range 8501-8509"
ip6tables -A INPUT -p tcp --dport 8511:8519 -j ACCEPT -m comment --comment "open port range 8511-8519"
echo "Firewall rules applied successfully"
echo "Current iptables rules:"
iptables -L -n -v
echo ""
echo "Current ip6tables rules:"
ip6tables -L -n -v