Network Security

ive experienced this with both asa and pix...does anybody know why acl needed for high security to low security??...even though i have no high security to low security for other connections?

I am trying to configure site to site vpn tunnels with linksys routers. The linksys routers pick up IP addresses via DHCP. I tried to configure a 0.0.0.0 tunnel group but when the vpn traffic tries to establish, it hits the DefaultRAGroup tunnel grou...

I cannot open Excel files(>2M) that passed through ASA.Is that a bug?

Hi,I am using Cisco ASA 5510 ver 8.0 (2) with ASDM 6.0 (2)I have configured SSL based VPN access for my remote users. But when I enable Cisco Secure Desktop the performance of the access drops drastically and remote users are not able to work. If the...

I try to run:fixup protocol pptp 1723 however it doesnt work. i receive the error message "bad protocol". This works just fine in PIX IOS 6.1. Anyone have any ideas?

I'm testing Cisco NAC agentless in-bound layer2 mode following the CAM manual:•Configure the Quarantine Role•Load Nessus Plugins into the Clean Access Manager Repository,•Configure General Setup,•Apply Plugins,•Configure Plugin Options,•C...

If I upgrade my Cisco PIX 515E to Version 7.2 will I be able to leverage the WebVPN feature? In other words, with an upgrade to the version for my PIX 515E is the SSL VPN functioonality an option?Thanks

We have an application that negotiates a different port over time. We want to lock down our firewall to particular port(s), but this seems impossible to do with this apps. I know we can use inspection (fixup) on ftp, dns, sip, ... However, the applic...

I'm using a Cisco ASA5505 and a Linksys RV042 to establish a VPN tunnel betwen two subnets. VPN tunnel sets up ok - main screen on ASA shows IKE=1 and IPSec=1. But I'm not able to ping bewtween hosts on subnets connected by VPN tunnel.When I try to p...

Hi all !I'm having a couple of issues logging on to my office's network thru VPN. I had it working in a test environment, but when i went live, i haven't been able to logon. I've attached my config file for any suggestions that might help. This is my...

I have a client that is using a mindspring mail account that requires them to use port 587 for their smtp service. They have ip inspects running on their router. The client makes the initial connection, then nothing happens. I am wondering if its the...

Hi all,I inherited 2 production PIX 515E and even though I use them regularly for a few daily operations I dont really know that much more about these systems.What would be the best way for a newbie to get down and dirty (creating rules, firewalling ...

I have one internal network cloud.OSPF is configured in the same.My external traffic goes via Firewall.But I want to do all internal traffic passed via Firewall Only.Because If internal users can put any threating tool and traffic would not go via fi...

Is this a bug or am I missing a rule policy? When I add in ACLs rules to restrict access from DMZ to INSIDE... all outbound traffic via OUTSIDE interface is blocked! Rules work fine for DMZ to INSIDE. IF I put back any any access all is OK again. ACC...