asa firewall configuration

1. Firewall Configuration 1.1. zzsrv1 First, you need to analyze the role of zzsrv1. It is the primary DNS, website, DHCP server, clock server. We decided not to impose site restrictions, but only inbound restrictions, similar to XP View current configuration # Iptables-l Chain input (Policy accept) Target prot opt source destination Chain forward (Policy acce

Shorewall is not a daemon program, it is a package to load iptables instructions, so please do not expect to use the ps-aux of such instructions to query its itinerary, the next part of each set of documents to explain the function and format. In essence, Shorewall is the iptables configuration tool. Because Iptables's grammar is obscure, commands are numerous, difficult to remember and understand. So configure the

MIP is a "one-to-one" two-way address translation (conversion) process. Typically, there are several public-network IP addresses, and there are several servers providing network services (the server uses a private IP address), in order to enable Internet users to access these servers, A one-to-one mapping (MIP) between the public network IP address and the server private IP address can be established on the firewall on the Internet exit, and the servi

1. Simple topology diagramLine import------line entrance (my room core switch)------My server terminal assigned IP101.251.65.33 101.251.65.34 || IP route 101.230.0.0 255.255.0.0 nextop 101.251.65.33Dedicated router2. Border Routing 3945 configurationDefine inside ports and zones (My Computer room intranet interface)Define the outside port and region (My computer room outside the network interface, is also the interface of the line access)Access-list 1 Permit 10.1.11.0 0.0.0.255 (allow intranet s

LUPA held the third technical salon in Hangzhou-linux firewall configuration-Linux Enterprise Application-Linux server application information. For details, see the following. Time:-, Saturday, December 16 Location: LUPA headquarters (9f, Xinya technology building, No. 6, gului Road, Hangzhou) Click to view the electronic map Registration Method: to determine the number of participants, please reply here

Vi/etc/sysconfig/iptablesIn the open file (on the next line of configuration 22 port), add-A input-m State--state new-m tcp-p TCP--dport 3306-j ACCEPT (Allow 3306 ports through the firewall)-a input-m state--state new-m tcp-p TCP--dport 3306-j ACCEPT -a input-j reject–reject-with Icmp-host-proh Ibited-a forward-j reject–reject-with icmp-host-prohibited COMMIT #####################################/etc/init.d

In the front I sent an article "Juniper Firewall diagram L2TP VPN Configuration", we learned from that article how to configure. But we know that the L2TP VPN is only connected to our L2TP VPN server, but it doesn't encrypt our data, and we know that IPSec's data is encrypted, and if the IPSec-unaware friend can look at my previous IPSec VPN concepts (i) And the concept of IPSec VPN (ii) to understand. Okay

The show command for the Flying Tower Firewall FortiGate shows the related configuration and uses the GET command to display live status Show Full-configuration display current full configuration Show system global View host name, management port Display the results as follows Config system global Set Admin-sport

Step 1 of the configuration of the EZVPNserver of the PIX Firewall, configure NAT1 and NAT0. The traffic of NAT0 is VPN traffic. Pixfirewall (config) # nat (inside) 110.2.2.020.255.0pixfirewall (config) # global (outside) 1 interfacepixfirewall (config) # access-listvpnpermitip Step 1 of the EZVPN server configuration of the PIX

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)]

Redhat5.3 firewall configuration rules-general Linux technology-Linux technology and application information. Chain INPUT (policy ACCEPT) Target prot opt source destination DROP tcp -- localhost. localdomain localhost. localdomain tcp dpt: ssh state NEW RH-Firewall-1-INPUT all -- anywhere DROP tcp -- 192.168.1.25 localhost. localdomain tcp dpt: ssh state NEW

It is too cumbersome to configure iptables for several VPS. I saw a script for automatically configuring the iptables firewall in Zhu Ge's LNMP script. I borrowed it and changed it for the people who needed it; only common port settings are provided. if you have special requirements, you only need to add or reduce the corresponding Port. usage: wget-chttp: // ph4ntasy.googlecode.com/f several VPS configurations IptablesThis is too cumbersome. we can s

Article Title: common firewall configuration methods for Linux Iptables. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Common firewall configurations of Iptables The script environment is eth0 Internet and eth1 intranet; #!