cisco asa firewall configuration

beginning that matches the data packet, and there is no dropall rule at the end of the table, the data packet will be accept. Cisco, on the contrary, will follow the rules containing deny all at the end of the table. 1. view the settings of IPTABLES on the local machine: iptables-L-n 2. clear the original rules (with caution ): # Iptables-F clear the rules of all rule chains in the filter of the preset table # Iptables-X clear the rules in the user-d

Part I see: How to configure a hardware firewall 10. Address Translation (NAT) The NAT configuration of a firewall is basically the same as the NAT configuration of a router, and it must first define the internal IP address group for NAT conversion, and then define the internal network segment. The command that defi

10. Address Translation (NAT) The NAT configuration of a firewall is basically the same as the NAT configuration of a router, and it must first define the internal IP address group for NAT conversion, and then define the internal network segment. The command that defines the internal address group for NAT conversion is NAT, which is in the format: Nat [(If_name)]

)*ipables–t filter–a input–s 0.0.0.0/0–d 202.200.200.1–p tcp–dport 80–j ACCEPT*ipables–t filter–a input–s 0.0.0.0/0–d 0.0.0.0/0–j DROP*iptables–tfilter–a output–s 202.200.200.1–p–sport 80–j ACCEPT*iptables–tfilter–a output–s 0.0.0.0/0–d 0.0.0.0/0–j DROP(3) for the DMZ port: (both have-I DMZ or –ODMZ, cannot be opened): repetitive*iptables–t filter–a input–s 192.168.1.0/24–d 192.168.254.2–p tcp–dport 21,22–j ACCEPT*iptables–tfilter–a input–s 192.168.2.0/24–d 192.168.254.1–p tcp–dport 80–j ACCEPTI