Network Security

Is there a list of the port and protocol mnemonics used by Cisco somewhere?  I am talking about those used in access lists, like "www" for port 80 and "smtp" for port 25, e.g.access-list XXX extended permit udp host 1.1.1.1 host 1.1.1.2 eq domainI ha...

I am cannot seem to get internet connectivity because I am experiencing the following errors.    %SEC-6-IPACCESSLOGP: list INTERNET-IN denied udp 172.18.125.146(138) -> 172.18.125.191(138), 2 packets  [CATCHALL]eck162-gw#traceroute 172.18000266: Mar ...

I'm configuring our ASA and we have two AT&T circuits which we're only using one with our current Juniper firewall. I know the ASA doesn't support policy based routing so I'm wondering if the following hypothetical "config" is possible. External Inte...

I have an older model ASA 5500-series and I've purchased a new 5555-X.  If they are both at roughly the same up-to-date software version, can I simply copy the config from the old ASA to the new one?I know that I will possibly have to make minor chan...

Hello guys,firstly this is my first discussion abt ASA,i'm using 5515 with 9.2 and on other ASA 5505 i have no problem to configure port forwarding This is my startup config, maybe You can read and check out why i cannot get local machine with ip 192...

Hi,I have setup two Firewall clusters identically (I think) and neither has anti spoofing configured.  One firewall keeps listing a spoof denial originating from the second firewalls sync interface. Does anyone have any experience with this? It never...

Hello,I´ve got a question about the best way to setup a Cisco ASA Transparent-Mode in combination with a CX Module. My main Problem is the managementaccess to the firewall itself and to the cx module. In the moment the asa is connected to the network...

Hello everyone I have a couple of questions regarding vlan interface monitoring and best practices specifically for this service module. I couldn’t find a suggestion or guideline as for how to define a VLAN interface on a management station. The FWSM...

Greetings, I have 6509-E switch with Cisco ASA module, I have two network segments 1. 10.60.5.0/24        2. 10.60.6.0/24, the ASA module is gateway for my two subnets, routing protocol is cisco EIGRP, everything looks normal, but when I am trying to...

Hi All,I have setup a ASA in an LAB environment, and I am having issues getting out to the internet from one of my hosts behind a management subnet. I can ping outside from the ASA but from inside the network there is no internet connectionbelow is t...

Two questions: 1).  In my processes table I see the following:NameDescriptionProtocolPortLocal AddressForeign AddressntpclientNTP Clientudp13531(my WAN IP number)218.75.4.130 I have another ntpclient to the expect time server.  But the one listed abo...