Network Security

Hi,We have a problem of setting up an ASA for our network's edge:We have IP address XX.150.85.91/255.255.255.0 setup for our ASA's outside interface. We have another IP-address in same block XX.150.85.85 setup for static nat for one of our internal s...

Is it really the case that the ASA will not generate ICMP Host Unreachable messages for subnets connected to any of its interfaces (in breach of RFC1812) as claimed here: https://supportforums.cisco.com/thread/2093028 ?I'm investigating a situation w...

I am having some issues with my ASA 5510 (running ASA 8.2) dropping ICMP unreachable-fragmentation-required-but-df-bit-set type messages coming in on the outside interface. I have the following entry in the ACL for the outside interface:access-list o...

Hi All,I cannot seem to ping from the outside of my 5520 firewall to an inside network. I have a single physical outside interface connected to a Layer 2 switch, with a laptop connected to it. This is on network 10.11.131.0/28. From there, I cannot p...

Does the ASA support EIGRP when failover is configured? My second appliance will not neighbor up with anyone when failover is configured.

Hi, please see attach diagram.My network always have connection problem everyday around 4.30 - 5.00 pm.Attach are the screenshot i took photo of my ASA.The place i highlighted, what does it mean actually??We are trying to find the root cause of the c...

Hi all,suppose a deploy of an asa5585-x in transparent mode made by two bridge-groups (2 interfaces each).Now suppose that a new traffic flow in direction north-south traverses the bvi1. What's the expected behavior if the traffic going back (south-n...

Hello,In CSM Health and performance monitor: When we are checking the IPS modules sensor healt (CPU / memory) only the graph data of the last hour is visible, when we select "last 24 hours", or " last 7 days" the "No data available" is diplayed on th...

Hi,Can anybody help me about IPS 4260 backup....we want to take back using TFTP...is it posible to take backup of runing configuration or backup cofiguration using TFTP???Or  if it is not posible is...any other posible solution to take backup except ...

Hi Community,I have a challenge getting 2 Oracle servers with each located in "internal" and "DMZ" network segments.The oracle server on the internal network can communicate with the one on the DMZ but the one on the DMZ can NOT talk to the one on th...

Hi All,We have an interesting problem that we have been working on that really does not make any sense, so we are hoping that some of you clever folks out there can assist. We are testing the 3CX IP PBX SIP product in our lab and as expected run into...

Hello all,Question, does anybody know how to do the setup a linksys behind an ASA 5505?I have everything configured, but the router (Linksys) does not get to the internet.Anyone with the same setup?Project: Verizon with a Static IP ---> ASA --> Links...

Hi all, i got my first asa and start playing with it and get it to work on my home network with virgin super hub. i had uploaded my current scenario: I have dhcp disabled on superhub, so when clients conect got dhcp from asa 192.168.1.0/25 subnet i a...