Question about Cisco ASA 5500 Firewall

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Commands fro firewall

Hi,

what are the basic commands and its meaning for configuring the firewall

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Hi,

try this http://www.ciscopress.com/articles/article.asp?p=25326

it will helps you

thanks .

Posted on Sep 04, 2008

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How to Prevent System Breakdown or Service Interruption of the MA5600 Caused by Network Attacks Through the Proper Configuration


The common improper configurations that affect the system security are as follows:
The ring network detection function and the anti-MAC address-spoofing function or anti-IP address-spoofing function are disabled. When the anti-MAC address-spoofing function or the anti-IP address-spoofing function is disabled, the ******* user sends the PPPoE and DHCP control packets by forging the MAC address or IP address of a legal user. In this case, the security of the system is affected.
Huawei MA5600
Run the ring check command to enable the ring network detection function on the user side
Run the security anti-macspoofing enable command to enable the anti-MAC address-spoofing function.
Run the security anti-ipspoofing enable command to enable the anti-IP address-spoofing function
The devices are managed by IP addresses of the public network and the access rights are not limited strictly when the ACL rule is configured. In this case, the network is attacked.
To ensure the security of devices, manage the devices by using the IP addresses of the private network. When configuring the ACL rule, you must comply with the principle of the minimum authorization to configure the accessible address segment. The accessible address segment can contain only the mandatory IP addresses of the management network segment. Other IP addresses cannot access the device management interface.
Run the acl command to create a basic ACL and enter the ACL mode. The number of a basic ACL can only be in the range of 2000-2999.
In the basic ACL mode, run the rule command to create a basic ACL rule. The parameters are as follows:
rule-id: Indicates the ACL rule ID. To create an ACL rule with a specified ID, use this parameter.
permit: Indicates the keyword for allowing the data packets that meet the related conditions to pass.
deny: Indicates the keyword for discarding the data packets that meet the related conditions.
time-range: Indicates the keyword of the time range during which the ACL rule is effective.
The packets that access the device management interface are not controlled so that the device is attacked by the packets. In this case, the system is caused to be busy and the services are affected.
Run the firewall packet-filter command to apply the packet filtering rules of the firewall to the interface to filter the packets that access the interface. In this case, the packet attack is prevented.
Huawei MA5616
Huawei MA5616 Gold Line
Huawei MA5616 Silver Line

Apr 12, 2017 | The Computers & Internet

1 Answer

Does the Switch Support QinQ?


· The S2700EI supports only basic QinQ configured using the port link-type dot1q-tunnel command, and does not support selective QinQ configured using the port vlan-stacking vlan command.
· The S2700SI does not support basic QinQ or selective QinQ.
· Other models support both basic QinQ and selective QinQ.

Jun 01, 2016 | Huawei Computers & Internet

1 Answer

I have configured Cisco ASA Firewall and I have given ICMP Inspect also But I cant able to ping the PC Kept in the DMZ from the Outside interface


HI,


· Please check the whether the security level for DMZ and outside interface, If DMZ is high security level. Please do the NAT configuration
· If it's having the same security level. Please issue the command "same-security-traffic permit inter-interface "in the global config mode.

Mar 01, 2011 | Cisco ASA 5505 Firewall

1 Answer

Need some basic show command to troubleshoot


mode exec user Router)
ping ip
show ip route
show version
traceroute ip

mode exec priveligiado
show arp
show interface
show protcols
show ip protocols
show startup-config
erase startup-config
reload

Jul 27, 2010 | Cisco ASA 5520 Firewall

1 Answer

Vista reboots, can't get to my desktop


Use Vista DVD and boot from CD in BIOS.It will give an option fro repair.Go to repair console and run this command

CHKDSK /p

Oct 19, 2009 | Microsoft Windows Vista Home Basic with...

3 Answers

How to configure static route between 2 LANs?


the command what you have given is correct as per your explanation. If you could post the configuration, it will be good to fix the issue.

Jun 10, 2009 | Cisco ASA 5510 Firewall

1 Answer

Firewall settings


This usually happens due to missing or corrupt SharedAccess reg key, which represents the Windows Firewall Service.
Resolution

Download sharedaccess.reg (for Windows XP SP2 only) and save to Desktop. Then double-click the file to merge the contents to the registry. The Services entry will be created. Restart Windows (mandatory step, otherwise the following NETSH command will display an error message).

After restarting Windows, run the following from Command Prompt (cmd.exe)

NETSH FIREWALL RESET

Launch firewall applet from Control Panel, and then configure your Windows Firewall settings.

If nothing helps, as a last-resort solution (before reinstalling Windows XP Service Pack 2), give these two commands a try. Click Start, Run and type:

rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf

Restart Windows, and then run this command (from Command Prompt):

NETSH FIREWALL RESET

Attempt to start Firewall applet. Start the Windows Firewall service if prompted.

Apr 21, 2008 | Microsoft Windows XP Professional With...

2 Answers

How to configure Sonicwall TZ 190? I have connected console to the Sonicwall and trying to open it via Console. But no configuration or prompt is coming. Kindly help ASAP.


open control panel and then add printers and other hardware, then up in left hand menu go to system then hardware, device managed and check if your driver is updated. if it says it's working properly then uninstall it and it'll pop back up reinstall then it should work fine.

Dec 03, 2007 | SonicWALL TZ170 (01-ssc-5740) Firewall

2 Answers

Basic Configuration Guide


http://www.nokia-asia.com/nokia/0,,80787,00.html This page will point you in the right direction. It is the specs and support w/ manual download. Good Luck, Tim

Jan 26, 2007 | Nokia IP 350 Firewall

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