Network Security

I've been trying to configure this Cisco ASA 5505 for days now. I used to be able to use the ASDM gui application, but i've since transitioned into using the CLI. Trying to go back to ASDM, it won't let me get back in, and when i try show asdm image,...

Hi all,Wonder if anyone has experience of this and can give some advice/tips.I have a Failover pair of ASA5550's running ASDM 6.2(5) and ASA 8.2(2).  Originally they were setup with 2 context's and an admin context but one of the contexts has now bee...

    Hi allThere is nothing in this PUBLIC subnet a.b.22.1/24, no one server.Why and where does a lot of traffic and so many requests on TCP ports 6666-66692911BGP#sh int g0/2GigabitEthernet0/2 is up, line protocol is up  Hardware is CN Gigabit Ethern...

hi,im using a cisco 5520 with 8.4, i try to test my appliance with a syn attack on my published server behind my asa on port 80 and this really really put out of the game my firewall.i used hping security test tool with this commaband .hping -i u1 -S...

Hi all,I configured the ASA failover for one of our customer. The actual problem is that if one interface of the active ASA fails it doesn't switch over to the standby unit. We have to shutdown the primary unit to bring the standby to the active stat...

Hello all,I have a small branch 871 which is about 1800km away from me. I want to remove the complete ZBFW from the router (configured through SDM once) and start from scratch. Obviously I don't want to lock myself out, although there are people onsi...

Trying to set up a stateful failover with two. asa5510Here is what I have so far, tell me if this looks right. The ip address are set to 0.0.0.0 only for this discussion. Config Primary Firewall:config tinterface management 0/0 ip address 0.0.0.0 255...

I have a cisco asa running 6.3   I would like to allow HTTP POST method from specific IP range to a specific server.all other IP addresses should only be allowed normal HTTP access to webserver.   I tried to write up the policy map but getting a bit ...

Hi,ASA running 8.2(5).When I enable ip spoofing on my network interfaces I see this getting logged:Deny UDP reverse path check from 10.100.100.102 to 10.100.100.255 on interface SPECTRA-LANThis is because interface SPECTRA-LAN (VLAN50) is the interfa...