Network Security

Hi all,I am configuring a ASA 5510 and I have a proxy server (in inside interface) that must to connect at externals DNS.I have created the rules and NATs necessary it, but I am not able to open any web page, just reach the web pages through ip addre...

I have a 1841 router with 20 Site to Site VPN and 10 Remote access users connects to it, now i want to add up another router so i can configure the same configurations and can use it as a backup , will HSRP be good choice for this & how should i star...

hi..i have asa5540 i have to create sub-interfaces on my asa but my asa is directly connected to switch now tell me how sub-interfaces of asa and switch port will connected.Let me expalin if i divide one interface of asa in 2 sub-interfaces with 2 vl...

I have 2 c6509 with one FWSM (3.2) in transparent mode on each chassis.Context1 for server1, and context2 for server 2 . A client in outside try to use proxy ftp, once issue 'proxy get texst.txt', the connection closed. Pls helpclient> ftp ftp> open ...

Is there a way that we could restrict a desktop machine accessing any other system in the network ? if so will we be able to implement an encrypted communication between the end machines .

Hi, We were able to ssh into the ASA management interfaces and all of sudden it has stopped working. The ssh client is putty. I ran a debug on the ASA while initiating ssh from putty and following is the output. ANTIX-ASA/stby# Device ssh opened succ...

Hi,I have AIP-SSM-10 module which is plugged into cisco ASA.The issue which I am facing is when executing the command hw-module module 1 details output from cisco ASA console I see the status of IPS has gone into unresponsive.The output is shown as b...

The problem we have is that the IPS is constantly at 100% CPU.This is how the network is connected:We have a 6500 on which we have a FWSM module and the default gateway for the FWSM (for internet) is on vlan 88.This 6500 is then trunked to another sw...

Hello, I have been given information on finding NAT translations from the CLI, but I was wondering how this can be done using ASDM.Also, when I do the xlat command in the CLI, why doesnt my PC's IP address show up even though I have made connections ...

I have several ports showing open on our ASA appliance when scanned by NMAP on the outside interface. However these ports are not configured open in the ACL that faces outside guarding against inbound traffic.The ports are 988, 993.Has anyone seen t...