Network Security

Hello Cisco Community,I am planning a ASA 5520 (ASA 5520 BUN) for 300-400 users, which want to dial in from home office via Softphone (CUPC 8.x) over a VPN connection to the CUCM 8.x system. So, I have calculated the ASA, but I am unsure what kind of...

considering this configuratiion for a master to client NTP implementation, am starting to feel NTP configuration has a bug especially because most of the ASA's hardly repond to ntp serversMASTER=======ntp authentication-key 1 md5 ciscontp authenticat...

Please suggest me how to configure schedule based URL Filtering with trend micro on cisco router ?

I'm trying to wrap my head around IP fragmentation.  In looking through Cisco IOS hardening documentation they suggest the implementation of iACL's and in particular they suggest to drop all fragments using commands such as the following:deny tcp any...

Hi Guys,I have setup my Cisco routers to have the following basic configuration:ip inspect name FIREWALL tcpip inspect name FIREWALL udpip inspect name FIREWALL icmp!interface Dialer1 ip inspect FIREWALL out ip access-group FIREWALL-ACL in!ip access-...

I am setting up a new ASA running 8.3 and I am having problems with configuring double NATs.Here is the thing I am trying to solve:Original PacketSRC: 1.1.1.1DST: 1.1.1.10After it hits the firewall and it comes out on the outside interface I want thi...

Hello,I have a Tandberg DPS 2000 that I was in the process of restoring to factory defaults remotely,  and I lost powerin the house and thus lost my connecton to the Tandberg.I have reconnected to the Tandberg, so the network settings are still in pl...

Hi,We have ASA 5580-40 with rel ver 8.1(2). During testing mcast, we found that if we do not configure IGMP static group or join group with specific mcast group ip addr, the mcast will not work, the client application can not join the specific mcast ...

We have a pix 501 through on which we have one pix to pix vpn up to a remote site(A). In case of its failure i would like to configure a redundant ipsec vpn with site B this again will be a pix to pix vpn.Can anyone suggest me the config how i can ac...

Our ISP has two routers onsite.  The primary router has a 40MB connection to the Internet and the secondary router as a 20MB connection to the Internet.  I am configuring our two 6509's with a FWSM in each so that the MSFC is inside and the FW is fac...

I'm trying to traverse from my inside private IP address (10.x.x.x) to my public IP address translation (172.16.x.x) in order to take advantage of the ACLs that are already applied on my outside interface.  For example:Host 10.0.0.1, translated to PA...