Network Security

HiI am experiencing one issue on ASA 5520 firewall with version 8.2(2).  There is a Server in LAN which sends the multicast traffic to DMZ network where in NAT is given for hiding real ip of  DMZ server and  further it forwards the multicast traffic ...

I have a 5520 which is currently used only for terminating inbound Cisco VPN IPSEC clientsWe're in the process of bringing in another Internet connection from a different ISP which would be used for generic web-surfing from within the network (no inb...

Hi,Just a quick question:on the inside interface access list on an ASA 5510 (if i am running exchange 2007 on an inside network for instance 192.168.16.0 255.255.255.0) should i have an access list which allows tcp network 192.168.16.0 255.255.255.0 ...

Hi Guys,             I need your help in getting a resolution to the Natting problem mentioned below.            I have a 10.x.x.x network in place(site A). Another partner who also houses a 10.x.x.x subnet(site B) needs to access a particular server...

Hi,    I am trying to understand the basics and the working of websense/ironport and how it works on the network. I would be suggesting this to the client and would appreciate any information/white papers/documents which can help me provide some answ...

I am looking for apache web server and any other web based application I have to use TACACS+ authenication instead of user using different login account which is hard to manage. I have google it's possible but I didn't find any clear instruction how ...

I am new to networking and have just been given the task to migrate our old email server to Exchange 2010.  Part of the process requires opening ports 25 and 443 for an the ip of the new machine.. Can anyone help with what I am hoping to be an easy w...

What would be the easiest way to do the upgrade?  I think I would have to do two interim upgrades first so is it possible to just reimage the device with 8.0(4) and apply the configurations from there?  Sorry for the newb question but I don't ever de...

Hi,   We have replaced our PIX with ASA 5510 and are running, ASA Version 8.3(1) & asdm-631.bin.    We have 1 ASA and 2 WAN's. So I have configured Failover, so that if primary WAN fails secondary will be active, which works fine. Only problem is NAT...

Hello all,I have follow structurelan - asa - router - internet.And I would like to give internet access to machines inside my network.with actual conf I from inside I can ping inside interface on cisco router, and stops there.Follow my confs about wh...

Hi,I have an AIP-SSM-10 running inside an ASA-5520. the sensor CPU usage is 57-90%. What cause the problem might have occured?. please help me.

Hi,Is there a command line command reference available for NACFor example I want to see the certificates for NACWhich debug command shall I use in NAC   ? ( for eg  , If it is ipsec i will use debug cry isa and debug cry ipsec )And in what files , wh...