Network Security

Hello,I have about 30 ASA 5505 firewalls.  I am using them to remotely connect to my Allen Bradley PLCs.  I use ports 2222 and 44818 to connect to the PLC's from different devices.  The problem I am having is that sometimes one of the ports will stop...

in the old style stateful firewall, we have:ip inspect myfw icmpip inspect myfw ftpip inspect myfw tftp......access-list ingress permit ssh from my ipaccess-list ingress permit icmp from my ipaccess-list ingress permit vpn from anywhere...interface o...

Hello,We are using 6513 chassis with sup 720. Slost 1 , 2 contains FWSMs and configured as failover .The issue is that when we try to access the primary slot fwsm byCORE-6513_SW1#session slot 1 processor 1The default escape character is Ctrl-^, then ...

Hi all, What is the recomended method to secure the access to Internet zone devices (router/switch) with public IPs?  SSH enabled to access via Internet and is configured as transport for line vty with firm owned public ip ACL, even then the sitch/ro...

Hello !Is there a way to configure my ASA so that it can block an IP packet (TCP or UDP) based on its size (total size, or even better, on the IP payload)?Thanks!

Hi,Just finished researching on options concerning the aip-ssm 20 module and am now at a dead end.  I understand that there is no option for syslog, email alerts.  SNMP apparently is only for critical-device related alerts.  The thing is i am despera...

I have a FWSM with context in way routed, I want to know if I obtain to inspect a field TCP of one determined application that works in door 3000?The problem is that I have an application that works with VPN for some customers and without VPN for ano...

Hello all,I am trying to get an ASA running v7 OS working as an easy vpn server behind NAT in the following scenario:ASA(EZVPN_Server)-----Gateway----Internet-----Gateway-----Router(EZVPN_Client in NEM mode)There is a static nat entry on the gateway ...

Hi all,I currently have a 2800 series router with firewall OS which NATs port 443 to my Exchange server (see below).ip nat inside source static tcp (exchange IP) 443 interface FastEthernet 0/1 443I would like to evaluate RDP (Terminal Services) for r...

I configured my ASA 5510, please find attached my network diagram for reference, and following configurationPleaase review my configuration and advise what should be denied and what should be permitted,moreover please check basic security levels are ...

i have a fwsm and aproblem apper after configuring a new dmz on it, the new severs has a rechability normal form all over the network, however between them not as , its unix based arp -a gives one assignment of fwsm mac address point to ip address of...