Network Security

We have an IDS ver 4.1 in a cat 6k, and initially addressed it in a lab in vlan 1 as such:vlan 1: 161.220.60.1 /24IDS: 161.220.60.10 /24the IDS gateway is Vlan 1 ip. this has worked fine, able to ping and telnet btw. the 6k and the IDS. but in gettin...

Hi,I am trying to enable my PIX for IPv6, so that I can connect from my internal LAN into my DMZ. But I run into some problems and I am not sure if I understand the IPv6 inplementation on the PIX correctly.In IPv4 I can create a connection from host ...

Hi All,Does anybody know how ids do tcp reset? in ios IDS, the router can send a reset packet, but in a real IDS, how can the ids tell the router to send a tcp reset packet?? Thank You!Best RegardsTeru Lei

The signature id 5648 (Tomcat Denial of Service Attack) seams to be prone to false positives.... We have seen in a number of incidents, that when the destination of this attack uses the ephemeral port of 8007 with an established connection on TCP por...

Hi,Can we enable VRRP on different VPN 3000 concentrator series?Thanks in advance

PIX 501, 6.3(4). Trying to allow client on inside using Outlook Express to ISP Mail server. I believe Outlook Express uses SMTP to send mail and POP3 to retrieve it. Wondering what sort of config is required as I am not sure if server or client initi...

My pix has three interfaces.one is used to inside interface .The others(two) are used outside interfaces.the two outside interfaces can implement load balance.How can I do. thanks!

i have two pix535 configed for failover. there is a route config(to outside direct port) can't replication. i reload standy pix,and use write standy command ,there also is 'nt the route config. the standby pix's outside port static is"wait",and the r...

our company bought one pix firewall 515 from EBAY on line shopping. we configure the firewall and it is working fine but we notice that 3DES is disable in our firewall i contact the cisco licence to get the 3des licence they send the activation-key i...

Hello,Normally, they use only two ports as External and Internal Interfaces. Now they are using PIX-4FE-66 to get extra 4 interfaces card for Servers Farm. The problem is the new 4 interfaces do not function or work properly. We cannot access or ping...

Hello,We migrated from a pix 515R using a outside and inside interfaces. The old pix has a static ip for the inside interface so we use all the class c ip's on the inside.We are now migrating to a ASA 5520 but now with the following interfaces. outsi...

Dear All,I have a client with the attached Network topolog file. He wants to install his PIX firewall in the position showed in the topology file…His request is to route the internal traffic between his branches and internet using his PIX firewall….A...

Hi,how to enable telnet to pix outside interface.I try to connect with telnet to a router in outside lan and then i would connect with telnet form router to pix.Router have ip address 10.10.10.1 and Pix device have ip address 10.10.10.2.I have tried ...

Dear all,We have a PIX 525 with failover bundle. I would like to know how to upgrade my OS from ver 6.3 to 7.0 in both the Active and Standby firewall.I would also like to know the bugs/problems that we might face after upgradation and whether it sup...