GreetingsI am seeing the "%ASA-4-405001 Received ARP request collision" message in the syslog periodically. My understanding is that we have devices with duplicate IP addresses on the network. What I can't seem to find anywhere is what the firewall...
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Forum Posts
Hi,I am experiencing issues with ssh keys not being generated on my standby asa.The standby asa joins the primary, pulls the context files and executes the commands except for crypto key rsa generate modulus 2048.Version is 8.6.1.Is this a bug? The c...
Hello all,I have a strange issue which happened to me last weekend with two ASA 5515X on version 8.6(1)2. There was a planned power shutdown which only affected the primary firewall. Failover was configured and running successfully. The configuration...
Hi all,We received a number of alerts from our IPS last night with high severity, signature name "Rustock Botnet". It may be just a false positive, but I would appreciate some assistance if anyone could shed further light on the alert (attached).Than...
For years, our firewall has been configured with a set of dynamic NAT rules in the DMZ, to dynamically assign an IP address in the DMZ for incoming connections from hosts on the Inside. The pool was set up as the block of addresses in the /24 networ...
Hi There.I am currently getting a strange error when trying to use and crypto services on our ASA 5520 (8.0.3)Initially I observed that a connected VPN had dropped.Then when I attempted to use ASDM or SSH I was blocked.In the end I opened telnet as a...
Just installed ASA 5505 cisco router two weeks ago and every thing is running great.Setup logging to email me for events that occur. That also is working fine.My question is this. I get this message several times a day some one than others about 15 t...
I've configured Identity options as per Cisco documentation and all the various tests work.I've added a new rule at the bottom of our inside ACL with my AD username selected under user but it doesn;t seem to work.When I go into monitoring\indentity\u...
I AllI'm trying to do a simple port forward on an ASA 5515-x software version 8.6(1)Outside interface:name-if: outside-gcip: 77.243.x.xInside interface:name-if: insideip: 10.31.45.4inside lan = 10.31.0.0/16 route table:route outside-gc 0.0.0.0 0.0.0....
Resolved! Dual ISP on a ASA 5505
My client is transitioning to a new ISP and want to migrate there web servers in stages. therefore they would like to keep some servers running on the old ISP and some servers use the new ISP.I have set this up in a lab and keep running into routnin...
Please bear with me, as am I utter new to the a5505 and Cisco products in general. Setup:LAN (192.168.1.X, with .3 as gateway)DMZ (192.168.2.X with .1 as gateway)WAN (X.X.X.146 as primary public IP, .145 as gateway and .147-150 as additional public I...
Hi All,my current network layout is attached.The service provider will be preparing an MPLS-VPN network as per our request.The required scenario is:Only one PC from the 10.50.10.0/24 subnet is required to connect to mpls network directly. Other PCs s...
Startup and running configuration are not showing up identical, Even after doing "Wr mem" on the device. Its not showing any error after issuing the command "wr mem" but the when i compare both the startup and running configurations manually we see a...
I want to forward smtp to one backend server (Barracuda) and then forward http/https, imap4, 587 and 993 to a different backend server (exch-01), but I want all outbound communication from these two servers to always appear to come from the same publ...
Resolved! Latest ASA OS version
In the release notes it mentions new features in 8.4.4.5, however when I go to download a new version, the latest available is 8.4.4.1. Anyone know why, or how to get 8.4.4.5?
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| 08-20-2026 05:54 AM | ||
| 08-19-2026 07:59 AM | ||
| 08-10-2026 08:58 AM |
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