Network Security

Hi,We recently changed our service provider which were given a larger block of ip addresses. When we switched the interfaces and started to get everything backup. The ASA that has an outbound connection is receving arp replies for its default gateway...

Hi,I have 14 Cisco IDS sensors (4240,4255,IDSM-II) which I run IDM on for managment.  Haven't run IDM for a few weeks and on trying today I cannot get access to any of them!   I'm attempting to launch using IE 7.05 or Firefox 14.01 - both the same - ...

Hi,I have a strange problem.I have an asa 5520 with a csc-ssm-20 module installed.I pass the traffic for the inside users (a Class B flat internal network) through the csc exempt some specific users, which i dont want to be filtered.Everything is ok,...

I'm testing upgrading an ASA from 8.2.5 to 8.4.4.  During the the upgrade, it change all of my ACL host entries to objects.  But I noticed that the keyword "host" is still a valid option when creating an ACL.I'm trying to understand why this change i...

Hi All,I need some advise/suggestion here as we ran into some hardtime when the application unable to respond to ALL the external IP request.Connection table (sh conn)TCP outside 100.100.100.100:47898 servers 192.168.168.1:443, idle 0:01:33, bytes 0,...

Hi,When we propose two firewalls in Active - Active mode with IPS module and Anti-Bot Licences, will the firewall along with IPS and Anti-Bot work in Active - Active mode? If not, how do the other OEM's claim that they are able to run their UTM in Ac...

Hello All,Just a quick one but our server team have reported that backup's using UDP from the servers in the DMZ to the internal backup system are timeing out around or just after 2 hours, and the restores also using UDP are also experincing the same...

Client has a block of 5 static IP's for the ISP.  They currently have them all in use and set up with static nat (Inside,outside) commands.  They are adding a new web application and ftp server that will need to be accessed from the outside.  Is it p...

Hi!I have problems with two ASA5505 with software ASA Version 7.2(4)Both have stopped nothing happens when trying to boot up.The Power light is green and Status light is solid amber not green.How can two firewalls just be completely dead after three ...

                   Hello can anyone help me?  I have a vlan with two interfaces assigned to it.  It is not attached to our networks DHCP, but I need to get it configured for outbound and inbound traffic.  It does not have an ip and no access-list set...

Hi All,I  have two vlans on Switch with SVIs, One is Server vlan (Vlan 10) other  is User vlan (Van 20), Now i want to just allow SSH/WEB traffice from  Server and RST/ACK  for outgoing traffic from Server Vlan.Please find the config for vlansVlan 10...

Hello All,Can you please let me know the packet flow for  PIX/ASA 7.x  & earlier  Vs  8.3(x)  &later ?PIX/ASA - Inside (Higher Sec_Lev) to Outside (Lower SEC_Level)ASA/PIX - Outside (Lower SEC_Level) to Inside (Higher Sec_Lev)PIX/ASA - VPN - Inside (...

Hi,I am having  a firewall  Pix 515e with Firewall Version 6.3(5) and PDM Version 3.0(4). The firewall having more than 5 site to site VPN’s and  20 above dialer VPN’s .Two 2 days back , I have modified some configuration changes, removed unwanted di...