Hi everyone!Currently, we are monitoring a Cisco ASA which is running Software version 8.4(4).1. It is showing high cpu load (reaching 90%) at some hours, and our client (who is the owner) has asked us to troubleshoot this issue, since this is not a ...
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Forum Posts
Hi,We are having an ASA running on 8.2We are planning for natting three /16 subnets with one /24 public IP pool.global (outside) 10 88.88.88.1 - 88.88.88.254nat (inside) 10 172.16.0.0 255.255.0.0nat (inside) 10 172.17.0.0 255.255.0.0nat (inside) 10 1...
Resolved! Choosing Interface of ASA for ACL
Hi Everyone,Say user is connected to ASA interface X and he need to reach a server which has connection via Z interface of ASA.We need to open port say 22 and 1123 should we config the ACL on interface X?ThanksMahesh
Hello,I have been seeing this concept of Twice NAT on cisco devices and Double NAT on Checkpoint devices. Somehow I am not able to understand how they work. Are they the same? Could anyone please explain whaht these concepts actually achieve? I am ma...
Resolved! Tracing a Route passing through firewall
Hi Everyone,I am tracing a route which is passing via fw.Did sh route on fwS 172.26.36.0 255.255.255.0 [1/0] via 172.26.253.30, XYlooking to trace 172.26.36.0.i check the interface XY on ASA it is subinterface with IP 172.26.253.16.So it means A...
hi all,can a cisco 2960s connect to asa with multiple vlans and still route to DMZ and internet?thanks for any comment you may add.
So I'm feeling a bit red faced here as this morning I had a student come in and show me how a product called HotSpot Shield absolutely blows past every type of web filtering, packet shaping , and firewalling I have so carefully set up over the last 5...
All my attackers IP addresses are from my inside network. I never have an external IP show up as an attacker, its all internal. Then the victims are showing external IP addresses. Shouldn't it be the other way around, most of the time.
Dear All,I have a problem with the configuration of the ACL of my ASA 5505 router. However, the syntax seems okayaccess-list 121 extended deny icmp 192.168.0.0 255.255.255.0 anyThanks for your help
Hi, any help on this would be much appreciated. I have an ASA 5505 with interfaces inside, outisde, dmz. I have a site-to-site vpn tunnel set up to another site for my dmz clients. The tunnel is working just fine.However, my dmz clients need to co...
Hello,I am having a question about the optimal firewall configuration to choose.This is a firewall that would be between an Office Network and a Manufacturing network, with a DMZ.Just as in the attached picture that is from the (Cisco) Converged Plan...
Hello,Scenario is that i cant ping a server on the dmz between two firewallsI have a server on the dmz on cisco asa and it needs to ping a server on the dmz on the checkpoint networkdmz on cisco asa then goes to corporate network on the asa before it...
Hi all,My router interface gets ip from ISP modem.router interface has commandip address dhcp.I applied ACL to deny all incoming traffic to router interface fa0/0 which connects to ISPI have applied CBAC on router and currently allow this traffic to ...
hi allI have cisco 800 router, router configure as DHCP server, i want to bind user MAC ID with IP and block only Internet Access.please assistsagar panday
hi all,who has experienced configuring cisco asa 5555-x? do you have a step by step documentation for your work? i would like to know how to do it from scratch. thanks a lot.
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| Subject | Author | Posted |
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| 09-22-2026 04:13 PM | ||
| 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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