Network Security

Hello,I'm having strange behaviour of my IOS zone-based firewall related to self security zone. As I understand, all traffic from and to self zone is permited, unless any rule between self and other zones exists.I havo no rule between self zone and i...

Hi,I've got an ASA running a single context on 7.2(2) connecting via a web based VPN to a VPN3020 concentrator. Whilst the tunnel is up and reporting no errors, we are losing maybe 1 in 10 packets. The pattern isn't regular, with sometimes over a min...

Hi, I have a problem with my ASA5510 : to access to Internet, the users have to enter a login and a password, which are in the firewall (command : user xxx pass xxx pri 0). For the VPN users, I add some attributes (vpn-group-policy...). With the...

Hello, i want to know how to configure a firewall to allow dhcp relay request from my WAN network to a Internal DMZ ? TCP/UDP ports ??My other question is for DHCP relay request the dhcp router asks ip addresses with his own ip address, what the beha...

In the past I have used routers with ip sla and object tracking to delare routes good or bad. I read something recently which makes me think this can be done on PIX 7.2. Can someone post a sample config or link?I currently use a 1800 infront of my ...

we are having 6513 switch with 2*FWSM module.Can anyone tell me how to integrate FWSM .I can create the session on the slots .But after that how to bind the vlans.Please help me i am very much new to this.regardsshivlu

I need to find out the top talkers on a ASA firewall. I have tried variations of the "SHOW CONN" command, but have not been able to find out the top talkers quickly. Is there a way of finding the x top talkers (TCP) quickly on the ASA ?

Which file system is used to store the logs of the Trendmicro CSC10? How can I find out if the filesystem is full? How can I free up some space for logs?

If I try to upgrade a PIX 515/64MB RAM running an Unrestricted(UR) License to version 7.x will it automatically revert to a Restricted(R) license?I understand a UR License requires 128MB RAM, but I do not not need the UR features.

Folks, I have configured the same SNMP support on 2 c2611XM, named c2611A and c2511B:snmp-server community abc123But i can query SNMP on c2611A , but not for the c2611B.I am not sure why ...?When I do show running-configuration, there is a differenc...

Hi All,i have a little problem with subj. I have ASA 5505 7.2 and PIX 6.3(5). The Pix make IPSec connection to ASA, but lost the connection approx 20 hours, and tryed to reconnect.In logging on the asa i can see that asa dont clear ipsec session for ...