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  1. # Firewall configuration written by system-config-securitylevel
  2. *filter
  3. :INPUT ACCEPT [0:0]
  4. :FORWARD ACCEPT [0:0]
  5. :OUTPUT ACCEPT [0:0]
  6. :RH-Firewall-1-INPUT - [0:0]
  7. -A INPUT -j RH-Firewall-1-INPUT
  8. -A FORWARD -j RH-Firewall-1-INPUT
  9. -A RH-Firewall-1-INPUT -i lo -j ACCEPT
  10.  
  11. # Added for PXE booting
  12. -A RH-Firewall-1-INPUT -i eth0 -p tcp -m tcp --dport 80 -j ACCEPT
  13. -A RH-Firewall-1-INPUT -i eth0 -p udp -m udp --dport 69 -j ACCEPT
  14.  
  15. -A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
  16. -A RH-Firewall-1-INPUT -p 50 -j ACCEPT
  17. -A RH-Firewall-1-INPUT -p 51 -j ACCEPT
  18. -A RH-Firewall-1-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
  19. -A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
  20. -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
  21. -A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
  22. -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
  23. -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
  24. COMMIT
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