Network Security

I have a remote 501 running an Easy VPN connection back to our HQ ASA 5520s but have noticed that even though the tunnel is built fine I cannot ping from the HQ side to the remote systems until one of them pings me first. I have tried the nem-st-aut...

I have a PIX 515 running 6.2.2 configured to allow both a lan to lan tunnel and Cisco VPN clients to attach. Both scenario's work fine. The customer is bringing up a remote so we want to use the 831 for this new site in client mode. I have used th...

This is my scenario.#1 One PIX 515 has three interfaces:Outside, Inside and DMZ1#2. Two Exchange servers in the Inside interface. Server#1 10.0.1.10 hosts abc.com , Server #2 10.0.86.20 hosts xyz.com#3. Two Symantec SMTP mail gateway server on DMZ1 i...

We ran a fiber cable which has 48 fibers between our facilities for many isolated communications paths about 20 miles apart. So we own the cable and it is not shared with anyone. My question is do you feel we should have a firewall on each end? We...

I am looking for suggestions of a good "What To" book for an ASA 5510 box, i.e. something that goes into the features of the ASA and what it can do for me, rather than something that just talks about how to do certain stuff with it. The problem I hav...

i have configured static nat in cisco pix 525.the local ip (machine) resides on the management interface,sec level 95.i have allwoed the necessary traffic from outside to the global ip of the machine.but there is no entry in the xlate and i can't pin...

Hi,Please somebody can help me how to integrate ASA5510 with websense ...Regards,

Hi All,We've been asked to configure a pair of PIX's for a site, and they've just been delivered to us, however they neglected to mention that they are a failover pair, AND they only have 2 Interfaces!The Two PIX's will be in two geographically seper...

Dear Group,I am currently working on L2TPv3 which provides layer 2 VPN and transparently forwards any layer 2 frames from one site of customer to other site over Service Provider's IP network. I want to know that which protocol provides stronger secu...

Last "Patch Tuesday" there was a serious vulnerability reported for Microsoft that could be exploited via an SNMP buffer overflow. But there does not seem to be a Cisco signature yet. Is there any status on this?

hi all can someone pls tell me what is the difference between tcp flags and tcp mask in the signatures. as far as i understood is that tcp flags are the bits which need to be present in the tcp packet for the signature to match. then why the tcp mask...

I have configured my PIX to save all the logs to an Windows XP FTP Server. My problem is than about after 2-3 days the PIX stops sending logs to the Server.The only way to make it start again is to restart the PIX.What could cause this?Regards

HI ,Can any one tell if i will be able to upgrade the IOS of my 525e PIX firewall from version 6.1 to 7.1 ?Any procedure is available !!Pls help

I am using module IDSM (in promicuous mode). I don't know I can configure TCP reset in IDSM or not?Please answer me early. Thank you very much. Duy Khang