Network Security

Hi, does anyone knows what was happened to the following PDF notes in Cisco? The PDF file is only contains 1 page compared to the original notes in html format which is about a few pages.If there is alternative link for this document, please let me k...

I am bit confused on terminology and how to go about setting up the ASA to block any SMTP traffic outbound except for our Exchange Server. This is in relationship to a SpamBot issue that blacklisted us.  I have an ASA 5510 running version 6.2(5) / 8....

Hi I have server with real address 10.173.1.242, i created static nat to address 10.164.32.15, but I can not to connect to address 10.164.32.15 from IP 10.161.111.130, here is config of ASA:PeterASA Version 8.0(5)!names!interface GigabitEthernet0/0na...

I have a Internet-facing ASA5580 configured as the following. Can someone help me with a few config questions?Outside IP: 192.100.100.2/24 (default gateway to 192.100.100.1)Inside IP: 10.100.100.2, connecting to internal switch at 10.100.100.1Interna...

I'm struggling to address an issue where as a policy I have internal virtualized/clustered servers on reserved DHCP addresses on a separate VLAN, and occasionally there is a situation where by the guests change hosts and end up on another VLAN (for w...

Hi Experts,We  had an ASA in our environment and tried to migrate to new ISP. But  after the migration of the ISP, internet well as vpn disconnects in 20 -  30 minutes.Following are the noticable things after the internet disconnets1) Ping to the ASA...

hello,in the new 64 Bit version I got the follwoing error if I using the the update now funktion.HTTP Status 500 -type Exception reportmessagedescription The server encountered an internal error () that prevented it from fulfilling this request.excep...

I have an ASA5505 with Security Plus licenseso I can have many interfaces (not 2 + 1 limited DMZ like in base license)I have 2 VLANs.Is it possible to use one ISP for VLAN 1 and other for VLAN 2 ?Is it limited to 2 ISP's or can have more ?Thanks in a...

Hi If we like to deploy 10 or more Firewalls at once via CSM 4.2 than CSM hangs during the deploy  .We have to restart CSM processesIts seems that it depend on the number of firewall if deploy fails.We have Windows 2008 on VMware , 10 GB Memory , 2 C...

Hi A Cisco engineer told me hat CSM 4.3 has a Interface to Tufin . Can anybody confirm that ?sincerely Alfred

Hi,I use ASA 5510 and I would like to log VPN traffic ( for example, as soon as a remote user try to connect to the asa).I would like this log be send to a specific mail address.I already configure Email Logging for severity  ( level 3) and it works ...

Hi!A customer got a new VoIP PBX, and now I have to forward port 443 on the ASA to the PBX for remote administration purposes. The LAN-interface of the PBX is in the same subnet as the ASA but has an external VoIP-router as default gateway and not ou...

Hello.We have a hardware client connected to our network with software 4.7.2.L working with LAN extension.We can ping but we are unable to reach GUI and SSH on public interface.Any ideas!Regards.Andrea

HiOn firewall we have zone created for dmz and ip is 192.x.x.x and it is connected to 2950 switch(DMZ switch)  with vlan 25We have L3 switch on this we have created vlan 25 and connected cable from L3 with 2950 switch with vlan 25As we have the serve...