Hi,I have a simple requirment that I am hoping somone can kindly validate.Running an ASA firewall, I would like to achieve the following:I would like to setup two external routes for my firewall. The primary/default would use the outside interface. S...
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Forum Posts
Resolved! ASA5505, SYN attack, ISP and IPS module
Our 5505 is currently being hit by a SYN attack from surprise, surprise, China. The attack easily brings down the 5505 by hitting the 10,000 connection limit of the box. I am currently using the shun command to try to mitigate the problem but it is...
Hi,We are migrating from a nother brand to an ASA Cluster running 8.4.5We have a web-server on an inside interface listening on a non standard port - 20111. We have created a static NAT translating the public ip to the private, so If I do http://publ...
Hi,I have a ASA 5540 VPN Premium with 2 Clientless licensesHow many anycoonect users can i accomadate with concurrent sessions ??Thanks
We have a subnet(within public IP addrss) that is drop (into Null0 interface) from our core switch in the Inside network. Therefore pinging it results destnation not reachable. however some company outside in the network compains to us that there is ...
Hi all, We are planning to use an ASA 5540 to terminate about 3000 IPSec connections. The maximum supported IPsec VPN Peers for this platform ist 5000, so this should be ok in theory. What is a bit unclear to me is what exactly happens when (for what...
Resolved! NAT problem help!
Hello guys, I hope some one can help me out here. I have Cisco ASA 5520 with a 8.4 code in GNS3. I have a problem pinging to the internet. On the ASA console, I can ping to outside world, but on vpc I cannot ping the outside world. But I can p...
Hello.I have a question on ASA dhcpd address restriction.I've noticed that maximum available DHCP pool is restricted to 256 addresses.http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/basic_dhcp.html#wp1125257Is it merely the res...
Hi,I have ASA 5520 installed.I want to use ntp server for firewall clock setting.I found one open-access ntp server (stratum 2) in Los Angeles:dmz0.la-archdiocese.net209.151.225.100Can I use the following command to set ntp server?ntp server 209.151....
I was hoping to get a little assistance in opening a port through our ASA 5510. I need to allow a tcp connection for IP 65.74.157.196 on port 5223 through our firewall to the subnet 10.1.12.0/24. In the GUI, I created an access rule on our Outside in...
Hi,I have an user 172.26.216.7 trying to access server 155.111.150.125 port 3200 (behind firewall) getting an error message : connection to partner broken. I have captured the traffic and there is a TCP handshake between user and server. Below...
I am setting up an ASA in multi-context mode. Have run into one problem that I havent been able to resolve. I can access with ASA on the interface I am talking to it on by Telnet and SSH just fine. ASDM wont response. I have made sure that the ht...
Hi Team,I'm kind of stuck here and I'm not sure what I'm supposed to do now. My company wants to switch from copper to fiber internet access. Not a problem, I went through my ASDM and changed all the IP addresses from the old access to the new ones...
Bonjour,SVP comment bloquer l'accès de l'exterieur à teamViewer NB: j'utilise ASA 5520Merciiiii
Resolved! Using ASA without NAT
The way I have usually deployed an ASA is with using NAT. I am working on a situation with an ASA where it is an interior firewall and NAT isnt needed.At the same time, due to some organizational issues, I have brought up this ASA in multi-context m...
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