weechat

- me personal weechat setup 🔵🟢
git clone git://git.acid.vegas/weechat.git
pmf (1635B)
      1 #!/bin/sh
      2 # poor mans firewall (weechat edition) - developed by acidvegas (https://git.acid.vegas/weechat)
      3 
      4 set -xev
      5 
      6 # Configuration
      7 PORT_SSH='22'
      8 PORT_RELAY='2222'
      9 
     10 # Kernel hardening settings
     11 mkdir -p /etc/sysctl.d
     12 {
     13   printf "net.ipv4.conf.all.accept_source_route = 0\n"
     14   printf "net.ipv6.conf.all.accept_source_route = 0\n"
     15   printf "net.ipv4.conf.all.rp_filter = 1\n"
     16   printf "net.ipv4.conf.default.rp_filter = 1\n"
     17   printf "net.ipv4.conf.all.accept_redirects = 0\n"
     18   printf "net.ipv6.conf.all.accept_redirects = 0\n"
     19   printf "net.ipv4.conf.default.accept_redirects = 0\n"
     20   printf "net.ipv6.conf.default.accept_redirects = 0\n"
     21   printf "net.ipv4.conf.all.log_martians = 1\n"
     22   printf "kernel.randomize_va_space = 2\n"
     23   printf "fs.suid_dumpable = 0\n"
     24 } > /etc/sysctl.d/99-custom-hardening.conf
     25 
     26 # Apply hardening settings
     27 sysctl -p /etc/sysctl.d/99-custom-hardening.conf
     28 
     29 # Flush existing rules
     30 iptables -F
     31 iptables -X
     32 iptables -t nat -F
     33 iptables -t nat -X
     34 iptables -t mangle -F
     35 iptables -t mangle -X
     36 
     37 # Default chain policies
     38 iptables -P INPUT DROP
     39 iptables -P FORWARD DROP
     40 iptables -P OUTPUT ACCEPT
     41 
     42 # Common Firewall rules
     43 iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
     44 iptables -A INPUT -p icmp --icmp-type echo-request     -j DROP # Disable response to ping requests
     45 iptables -A INPUT -p icmp --icmp-type port-unreachable -j DROP
     46 iptables -A INPUT -i lo -j ACCEPT
     47 
     48 # Allow access
     49 iptables -A INPUT -p tcp --dport $PORT_SSH -j ACCEPT
     50 iptables -A INPUT -p tcp --dport $PORT_RELAY -j ACCEPT
     51 iptables -A INPUT -p tcp --dport 80 -j ACCEPT
     52 
     53 # Save rules
     54 iptables-save > /etc/iptables/iptables.rules