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SecPath防火墙攻击防范典型配置

2006-09-18 发表
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SecPath防火墙攻击防范典型配置

 

一、组网需求

SecPath开启攻击防范,对内外网的双向流量进行监控,对攻击进行告警和阻断。

二、组网图

    软件版本如下:

    SecPath100FVRP 3.40 ESS 1604

三、配置步骤

[Quidway]                                                                                                                                      

#                                                                              

 sysname Quidway                                                                

#                                                                              

 firewall packet-filter enable                                                 

 firewall packet-filter default permit                                          

#                                                                              

 undo connection-limit enable                                                  

 connection-limit default deny                                                  

 connection-limit default amount upper-limit 50 lower-limit 20                 

#                                                                              

 firewall statistic system enable                                               

#                                                                              

radius scheme system                                                           

#                                                                              

domain system                                                                  

#                                                                              

local-user admin                                                               

 password cipher .]@USE=B,53Q=^Q`MAF4<1!!                                      

 service-type telnet terminal                                                  

 level 3                                                                       

 service-type ftp                                                              

#                                                                              

interface Ethernet1/0                                                          

 ip address 192.168.1.254 255.255.255.0                                          

#                                                                              

interface Ethernet2/0                                                          

 ip address 202.38.1.1 255.255.0.0                                                         

#                                                                               

interface NULL0                                                                

#                                                                              

firewall zone local                                                             

 set priority 100                                                              

#                                                                              

firewall zone trust                                                             

 add interface Ethernet1/0                                                     

 set priority 85                                                               

#                                                                               

firewall zone untrust                                                          

 add interface Ethernet2/0                                                     

 set priority 5                                                                

#                                                                               

firewall zone DMZ                                                              

 set priority 50                                                               

#                                                                               

firewall interzone local trust                                                 

#                                                                              

firewall interzone local untrust                                                

#                                                                              

firewall interzone local DMZ                                                   

#                                                                              

firewall interzone trust untrust                                               

#                                                                              

firewall interzone trust DMZ                                                   

#                                                                              

firewall interzone DMZ untrust                                                 

#                                                                               

 FTP server enable                                                             

#                                                                              

 firewall defend ip-spoofing                     \\防范IP欺骗                                               

 firewall defend land                               \\防范Land攻击                            

 firewall defend smurf                            \\防范Smurf攻击                            

 firewall defend fraggle                           \\防范Fraggle攻击                           

 firewall defend winnuke                         \\防范Winnuke攻击                          

 firewall defend icmp-redirect                  \\防范ICMP重定向攻击                           

 firewall defend icmp-unreachable            \\防范ICMP不可达攻击                          

 firewall defend source-route                   \\防范源路由攻击                         

 firewall defend route-record                   \\防范记录路由攻击                        

 firewall defend tracert                           \\防范Tracert攻击                        

 firewall defend ping-of-death                 \\防范死亡之Ping攻击                       

 firewall defend tcp-flag                         \\防范TCP-flag攻击                             

 firewall defend ip-fragment                    \\防范IP分片攻击                            

 firewall defend large-icmp                      \\防范超大ICMP包攻击                            

 firewall defend teardrop                         \\防范teardrop(泪滴)攻击                            

 firewall defend ip-sweep                        \\防范IP扫描攻击                            

 firewall defend port-scan                        \\防范端口扫描攻击                            

 firewall defend arp-spoofing                   \\防范arp欺骗攻击                            

 firewall defend arp-reverse-query            \\防范反向arp请求攻击                           

 firewall defend arp-flood                        \\防范arp洪水攻击                           

 firewall defend frag-flood                       \\防范分片洪水攻击                          

 firewall defend syn-flood enable              \\使能syn-flood攻击防范                          

 firewall defend udp-flood enable              \\使能udp-flood攻击防范                          

 firewall defend icmp-flood enable            \\使能icmp-flood攻击防范                         

#                                                                              

user-interface con 0                                                            

user-interface vty 0 4                                                         

 authentication-mode scheme                                                    

#                                                                               

return                                                                           

四、配置关键点

1.在全局模式下使用firewall defend xx打开对xx攻击的防范;

2.注意:对于syn-floodudp-floodicmp-flood的攻击防范,情况有所不同。除了使能外,还需要进行开启报文统计,详见“SecPath防火墙常见flood攻击防范典型配置”。

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