Network Security

I'm trying to setup an ASA and a UC540 side by side, to utilize the ASA for data networking and the UC540 for voice. This 'should' work fine, I just seem to be having an issue where the ASA seems to be blocking traffic from the voice network as it pa...

I'm having issues with an 881 that I have configured as a zone based firewall.I have allowed HTTP(s) and DNS on the DMZ but my user is saying he cannot access the internet.On the corporate side the user complains that some websites fail, such as Link...

I have problem with Cisco ASA 5505 (asa844-9-k8.bin) and ASDM 7.0(2) I have Windows XP with java ver 7 17when I click on Run ASDM, I get error Unable to launch applicationcom.sun.deploy.net.FailedDownloadException: Unable to load resource: https://19...

Hi Team,I got a question, how to troubleshoot and mitigate the issue. Here is the seen.10.25.105.10 in DMZ of ASA Cannot communicate with 10.153.16.152 lies inside of ASA. Where to start to trouble shoot this ?So far, i only did packet tracer from DM...

Hello,My name is Jay and I have a question on routing between two ASA'S....please allow me to explain the setup.In the office we have one ASA 5505 with a Base License connected to a Cisco 1800 ISP router and a 2960S Layer 2 Lan Switch.My supervisor w...

Hello,One of our customers has an ASA5510 with CSC SSM-10 security module. The software version of the module is 6.6.1125.0.Is it possible to do https filtering with this module ? The cutomer is complaining that this is not possible..., They cannot d...

I am receiving the following error in my ASA syslog%ASA-7-609001: Built local-host DMZHandoff:x.x.x.1%ASA-3-305005: No translation group found for tcp src DMZHandoff:x.x.x.1/21920 dst Core_Handoff:y.y.y.2/443%ASA-6-106015: Deny TCP (no connection) fr...

Dear SirsI need firewall for 100000 SSL vpn tunnels and up to 2000000 tunnels in future.I not found any firewall, which can support more that 10K tunnels simultaneouslyTraffic in this tunnels very low (summary, in all tunnels, traffic will be less th...

Hello,I just upgraded my ASA 5585 cluster from 8.2 to 8.4. I also upgraded the asdm .bin from 6.35 to 6.43.after rebooter the cluster, I try to access it with ASDM installed on my computer but it blocked at 17%.I tried to access https://my_asa_ip/adm...

There is a PIX 506E and ASA5510, with different connection to service provider. Problem is Apple remote users can't access resources protected by the PIX506E.  Apple users can access resources protected by ASA5510. Physically the PIX and ASA are in c...

Hello to everyone!We have recently got our new IPS 4510 appliance and for now there is a task to develop a connection scheme to our backbone multilayer switch (Catalyst 6500).There are several server's and user's VLANs connected to 6500.6500 performs...

Hi Guys I have the following setup|| Socks Server || >> Switch1 >> ||Cisco 5520 ASA || -->> | Switch 2| -->> Clients I have a SSH SOCKS tunnel set up on the socks server which is a linux box.When I connect my machine to the switch 2, I am NOT able to...

                 Hi All, I am new to ASA/Security world. I am trying to troubleshoot a problem where in one of my remote site is not able to access some networks at HQ over Site to SIte VPN ( asa 5505 at Remote and 5520 at HQ). I ran packet tracer an...