I just added a new 5510 failover unit to an existing 5510 and when connecting my new outside interface on an Active/Standby firewall pair, i get errors messages (red x) on each port scan (monitor & syslog) although the error message indicate all port...
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Forum Posts
Resolved! CBAC on 2921
Hello,i´ve migrated a working IOS configuration from an 2811 (12.4) to a 2921 (15.2(2)T) and it seems thatCBAC is behaving different.ip inspect log drop-pktip inspect name OUTBOUND tcpip inspect name OUTBOUND ftpip inspect name OUTBOUND udpip inspect...
I am having difficulty following the logic of the port-translation and hoping someone can shed some light on it. Here is the configuration on a 5505 with 8.3**************************************object network obj-10.1.1.5-06 nat (inside,outside) sta...
Resolved! ASA not answering ARP request
I'm sure this is a simple configuration issue but here is my issue:We are running an HTTPS service on a host that is connected to our DMZ network on our ASA. This host and ASA can communicate just fine. I've created an ACL rule that allows HTTPS traf...
This list makes it seem like the ASA is not the best WCCP deployment option, but for WSA implementation, the ASA is logical choice in many cases. Does anyone know why the ASA is so far down the list?
Hello,For a customer I have to move the ASA 5505 firewall to a new internet connection. I have modified the config in a notepad textfile and want to put it on flash or so, so that it will be loaded at next reboot. I believe this is possible but does ...
I have an ASA 5550 at our main site with an external ethernet interface to our ISP for internet access. I would like to allow 10.100.41.x/24 http / https access but block this network's access to all other internal networks including 172.17.x.x,, 1...
Good day,We are having an issue with a couple of switches we have daisy chained off of each other. We have a 2960 8 port going to a 2950 24 port then to our core switch a 6507. The problem is we cannot authenticate to the ACS server attached to the 6...
We use Cisco appliances primarily in monitoring mode. We'd like to use the IPS reputation filtering / global correlation to alert us when we have connections to "bad" IP addresses (e.g. botnet, etc). Is it even possible to use either of these featu...
Resolved! Basic ACL Question
Hi There,I have a 5505 on ASA 8.2 in the field already working. It has two interfaces, LAN/inside and WAN/outside. There is an L2 site-to-site IPSec tunnel configured from the outside interface of the local ASA to the outside interface of a remote F/...
We have Cisco 1941 router and Cisco ASA 5540 firewall. We have VPN tunnel between ASA and Router.Router is behind the firewall and the peer IP of Router is NATed. Issue we are having is we are not able to browse the sites. If we adjust the MTU size o...
Resolved! ASA 8.3 1:1 Nat issues
I'm having an issue with static one to one nat. Anything I create a static nat for, that server loses connectivity. If I remove the one to one Nat and only try to open ports to those servers, with the access-lists in place the ports do not translate....
I've recently started seeing messages like this on my firewall (separating my internal mail server from my DMZ antispam device). I'm not sure if this is tied in to any firewall IOS upgrades I've recently completed (recently went from 8.2.x to 8.3.1 t...
Hi there,since a couple of days we notice the following major glitches in the network:- FTP services temporarily not available from LAN to DMZ and from, WAN (via VPN) to LAN while FTP connections from WAN to DMZ are working. The time range is from se...
Hi,We just upgraded from 8.2.4 to 8.2.5.20 on each firewall. The Primary and Secondary work when they are standalone but, when we connect the fail over link from the Primary to the Secondary, invariably, one of them will go into a constant boot cycle...
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| 08-25-2026 06:22 PM | ||
| 08-24-2026 12:26 AM | ||
| 08-20-2026 05:54 AM | ||
| 08-19-2026 07:59 AM |
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