Network Security

Hello,We are in the midst of drawing up a network for a datacenter and I got to the VLAN for backups and wondered how I could make things safer. I mean afterall, the backup server is pretty powerfull considering it can talk to many hosts.So, in a sen...

Has anyone run into the issue of neeeding to run script information on a PC with the agent BEFORE the NAC process??  The standard login script here sends files and scripts to the PC. This is completely exclusive of doing things such as a drive mappin...

Hi all -I have a problem with an Inter-tel IP phone going through an ASA 5505. The phone is working fine right now, but the next time it picks up a new DHCP address I have to update the Access and NAT rules to allow it to sync with it's server at the...

we have installed the websense in our system but when we enable the websense the router cpu proc shoot up to 90%.configip inspect name intfdc http urlfilterip urlfilter allow-mode onip urlfilter audit-trailip urlfilter urlf-server-logip urlfilter ser...

Hi All,I enabled snmp config  ASA 5505 with Version 7.2(4), the NMS/reporting system can give graphs for CPU & Memory usages. But I can't see any elements about physical interfaces. Any help on this is highly appriciated.Thanks,Blore

Hello,I needed to configure my firewall like a IDS to create a log of activity inside the firewall monthly , how I do that? When I select types of attacks, an error appears saying: No IDS policy is applied to any interface.How to apply a IDS policy t...

Hi There,I'm actually require authentication for users who are coming from the PublicVLAN (the vlan associated with the wireless hotspot) to authenticate themself to the LDAP server via my firewall ASA 5510:access-list PublicVLAN_authentication remar...

The Cisco ASDM or the event manager show wrong source/destination for teardown tcp messages:In this example the communication is an ssh session;from 1.1.1.1 -> 2.2.2.2 ssh and the connection is reseted by 2.2.2.2The message build outbound is correct,...

CAn we filter MAC address in LAN using ASA 5520 , whats the method ?

Hi,just upgraded my firewall to Ver 8.0.4 and now have a connectivity issue with a service that used to work fine on Ver 7.1.I think it seems to be due to the TCP handshake SYN - SYN ACK - ACK not being in order.Basically the service makes an outboun...

Hello,Do you know if it is possible to filter TOIP flows between call server (Siemens technology) and phones ?Specialy, PIX is able to support dynamic ports opening?? Is there an ALG embeded?Is it required to upgrade PIX or not? is required a special...

I would like to know if the Console cable that comes with a Cisco 877 wireless router will work on a PIX 501 firewall? If NOT then where can one buy a PIX 501 console cable?Please respond or mail me at brian.dodkins@globalbackoffice.com

Hi ,I have an asa firewall when i keep in the network it works fine but after 1 or 2 hrs we will not able to reach the firewall all the traffic will be blockedAs i checked i could find the crc errors in the inside interface then i have changed the du...

Hi,I have a strange problem with dial in VPN's and Natting from outside to an internal server (SMTP for a Mailserver for example) when both the local network which should be accessible via the VPN and the Mailserver are on the same VLAN.We have sever...