Network Security

I keep receiving the following msg every 10min."Deny inbound UDP from 172.16.30.35/137 to 192.168.1.1/137 on interface inside"I have discovered the 192.168.1.1 ip is located in my ARP Table with the interface set to STATE.Please help.

Is there any way on a ASA 5510, v.8.0(4), to automatically resolve IP addresses in syslog messages? TIAKen

Last night I upgraded an ASA 5520 from 8.0.(4) to 8.2.1 it booted fine and seemed to pass traffic fine however any incoming static nat translations didnt work even though they showed up in the ASDM, should I have made any config changes prior to upgr...

I am getting the Warning Window "The Startup Wizard will not able to allocate ASA traffic to this sensor for inspection. ASDM must be upgraded to a newer version before you can allocate traffic using this wizard." everytime I launch Startup Wizard fo...

Hi ThereCan't find any information regarding this feature, what I have found states that it is a feature, which only is supported when Your context is running in transparent mode, is that true. ???Thanks in advance.

Traffic across firewalls passes through the access rules. In PIX devices, single ACL is matched to a traffic, whereas in Cisco ASA 5500, traffic is matched to two ACL's (ingress and egress ACL). I have come across these in the below Cisco NSEL docume...

A problem wherein a https website hosted inside one of the dmz segments is not working from the web.I did some captures but they dont let me anywhere.Internet--Router--Level1Firewall--Level2Firewall(module on 6509)--Router(leaseline link)--Router(LL ...

dear all,i would like to have a support to allow traffic of PPTP and GRE ports

I am running into an issue where one of the tcp services going through my PIX running 8.0(4) sends packets AFTER the specific connection has timed out. The result is that it reports an error on a packet for a non existing connection. Is there a way...

I would like to setup a host-to-net VPN on my dual ASA 5520s. I want to put the VPN traffic on a separate VLAN. I attached a diagram to show what I would like to do. Because I'm using an inline Barracuda web filter I can't send VLAN trunks through th...

Hi,I am planning to use AnyConnect for remote access to real life enviroment, where access is needed to manage Exchange server had a FQDN. The server's internal address is statically mapped to a global address.While going thru the steps needed to con...

Dear Sir ,If I upgrade NAC to version 4.7 from 4.1.3 ,do I need regenerate Certificate for client to CAS from windows CA server ?

hi all,I cannot add my nac server 3310 to nac mgr 3310 version 4.7. Its showing ssl error. Both the time in server and manager are synchronized.we can reach server from manager and vice versa. I am attaching the screen shots of the event logcan some ...

Dear ,i install nac system and working fine, but when the user loging in , the agent delay about 10 minutes before popup to the user, i don't know why the agent don't appear immedaitly after the pc finish startup.