Network Security

Hello Team,I am building a data center and we want to add cisco ASA between our CORE switches and METRO switches which has connection to all individual sites.So The redundant ASA pair  will connect to upper CORE switches and downstream METRO switches...

Dear All,We have a 6509 core with the below modules running for a long time and the utilization used to be always 10 to 13 percentchecking with the supplier it was told to us that due to the firewall modue we have and its normalNow 2 days back i noti...

Dear Cisco Team,I have some finding from the below capture which attached on my firewall. From the ingress packet capture, please see the packet detail from 10.33.4.88 to 10.117.72.126. You can see under TCP options after “SACK permitted” an “Unknown...

Hi Experts,WE have to deploy ASA5585 in between User vlans & server vlans. we have to find all the ports that needs to be opened on firewall.any tools to do same....Thanks.

hello,i run a web server out of my home hosting a website that can get several hundred people visiting simultaneously.  im currently attempting to upgrade my DD-WRT flashed WRT54G V2 router with a cisco rv120w in order to sustain more simultaneous co...

Hello All,We have an internal DNS server that all internal hosts do lookups to .. these requests are forwarded onto opendns for anything the dns server isnt authorative for.. My question is we have purchased the botnet filter and this requires the as...

Hi,    I have problem in the configuration of Cisco ASA 5520, IOS version 8.4. The connection is as follows: LAN network--> Firewall --> Routers with GLBP with virtual ip address. the clients can not ping the virtual interface of the GLBP group, but ...

Hi,I would like some clarification surrounding ASA active/standby failover with OSPF: I am running OSPF on an active/standby pair, all seems to be working well. The appropriate OSPF neighbor relationship is formed with the active/standby ASA dependin...

This document describes the use of LDAP authentication method:http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008089149d.shtmlBut we have multiple LDAP(windows 2003 AD), So can ASA support multiple LDAP authenticate?

The question is:How to backup Cisco ASA-5510 from a Linux server via TFTP?I do know how to backup a switch or a router. Basically creating an access list such as:access-list 55 remark PERMIT hosts requesting TFTP accessaccess-list 55 permit host 172....

hello all, I have a server on my network that I would like use through the asa. example inside ip address 192.168.2.x port 20,333,555,999 outside ip address 216.235.122.x. I searched the internet and did not find commands for it. I would like to call...

Just wanted to post this as info to other RV220w users that have a playstation 3.  By default a setting is on in the firewall that blocks fragmented packets..  With this setting on even if the ps3 is in the dmz some games wont work and if you test th...

Helloo All,This has to be the most weirdest issue I have seen since the past year on my ASA.I have an ASA 5540 running the 8.4(2) code without any issues until I stumbled upon this problem last week and I have spent sleepless nights with no resolutio...