能够连接 无法上网 PPTP iptables需要允许那些？

hypnusds

这个是小弟的 Iptables 能连接 不能上网的 配置

1. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
2. *nat
   
3. :PREROUTING ACCEPT [67:7044]
   
4. :POSTROUTING ACCEPT [0:0]
   
5. :OUTPUT ACCEPT [0:0]
   
6. -A POSTROUTING -s 192.168.0.0/255.255.255.0 -o eth0 -j MASQUERADE
   
7. COMMIT
   
8. # Completed on Mon Mar 21 12:11:04 2011
   
9. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
10. *filter
    
11. :INPUT ACCEPT [0:0]
    
12. :FORWARD ACCEPT [0:0]
    
13. :OUTPUT ACCEPT [95:8972]
    
14. :RH-Firewall-1 - [0:0]
    
15. -A INPUT -j RH-Firewall-1
    
16. -A FORWARD -j RH-Firewall-1
    
17. -A RH-Firewall-1 -i lo -j ACCEPT
    
18. -A RH-Firewall-1 -p icmp -m icmp --icmp-type any -j ACCEPT
    
19. -A RH-Firewall-1 -m state --state RELATED,ESTABLISHED -j ACCEPT
    
20. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 22 -j ACCEPT
    
21. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 443 -j ACCEPT
    
22. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 80 -j ACCEPT
    
23. -A RH-Firewall-1 -p tcp -m tcp --dport 1723 -j ACCEPT
    
24. -A RH-Firewall-1 -j REJECT --reject-with icmp-host-prohibited
    
25. COMMIT
    
26. # Completed on Mon Mar 21 12:11:04 2011
    

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能连接 也能上网的 配置

1. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
2. *nat
   
3. :PREROUTING ACCEPT [67:7044]
   
4. :POSTROUTING ACCEPT [0:0]
   
5. :OUTPUT ACCEPT [0:0]
   
6. -A POSTROUTING -s 192.168.0.0/255.255.255.0 -o eth0 -j MASQUERADE
   
7. COMMIT
   
8. # Completed on Mon Mar 21 12:11:04 2011
   
9. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
10. *filter
    
11. :INPUT ACCEPT [0:0]
    
12. :FORWARD ACCEPT [0:0]
    
13. :OUTPUT ACCEPT [95:8972]
    
14. :RH-Firewall-1 - [0:0]
    
15. -A INPUT -j RH-Firewall-1
    
16. -A FORWARD -j RH-Firewall-1
    
17. -A RH-Firewall-1 -i lo -j ACCEPT
    
18. -A RH-Firewall-1 -p icmp -m icmp --icmp-type any -j ACCEPT
    
19. -A RH-Firewall-1 -m state --state RELATED,ESTABLISHED -j ACCEPT
    
20. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 22 -j ACCEPT
    
21. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 443 -j ACCEPT
    
22. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 80 -j ACCEPT
    
23. -A RH-Firewall-1 -p tcp -m tcp --dport 1723 -j ACCEPT
    
24. COMMIT
    
25. # Completed on Mon Mar 21 12:11:04 2011
    

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删掉 -A RH-Firewall-1 -j REJECT --reject-with icmp-host-prohibited 就能上网了
估计是 还是配置问题 求高手帮助～

hypnusds

还是自己搞定了 自己动手 丰衣足食 = -
查看日记 发现 53 和 137 这两个端口 的一直很不口耐 所以打开就好了~

1. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
2. *nat
   
3. :PREROUTING ACCEPT [67:7044]
   
4. :POSTROUTING ACCEPT [0:0]
   
5. :OUTPUT ACCEPT [0:0]
   
6. -A POSTROUTING -s 192.168.0.0/255.255.255.0 -o eth0 -j MASQUERADE
   
7. COMMIT
   
8. # Completed on Mon Mar 21 12:11:04 2011
   
9. # Generated by iptables-save v1.3.5 on Mon Mar 21 12:11:04 2011
   
10. *filter
    
11. :INPUT ACCEPT [0:0]
    
12. :FORWARD ACCEPT [0:0]
    
13. :OUTPUT ACCEPT [95:8972]
    
14. :RH-Firewall-1 - [0:0]
    
15. -A INPUT -j RH-Firewall-1
    
16. -A FORWARD -j RH-Firewall-1
    
17. -A RH-Firewall-1 -i lo -j ACCEPT
    
18. -A RH-Firewall-1 -p icmp -m icmp --icmp-type any -j ACCEPT
    
19. -A RH-Firewall-1 -m state --state RELATED,ESTABLISHED -j ACCEPT
    
20. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 22 -j ACCEPT
    
21. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 443 -j ACCEPT
    
22. -A RH-Firewall-1 -p tcp -m state --state NEW,RELATED -m tcp --dport 80 -j ACCEPT
    
23. -A RH-Firewall-1 -p udp -m state --state NEW,RELATED -m udp --dport 53 -j ACCEPT
    
24. -A RH-Firewall-1 -p udp -m state --state NEW,RELATED -m udp --dport 137 -j ACCEPT
    
25. -A RH-Firewall-1 -p tcp -m tcp --dport 1723 -j ACCEPT
    
26. -A RH-Firewall-1 -j REJECT --reject-with icmp-host-prohibited
    
27. COMMIT
    
28. # Completed on Mon Mar 21 12:11:04 2011

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