Network Security

When PIX forwards an ARP Request in transparent mode, it inserts its own (!) mac address as source in the ethernet header. So it is not really transparent. E.G.:Original ARP Request:ETH Source: PCETH Destination: RouterARP Sender HW: PC IP: PCARP Rec...

We have a PIX 535 running 6.3(5)106 with 1Gb of RAM.Right now it is using 7% of it.A new application coming online soon will be putting through the PIX about 17MB of streaming data.Would the PIX be able to handle that?

Hello,I have a problem with NAT on a PIX. We want to set up something new for doing this we need to do source and destination translation.The outside interface is connected to the internet and everyone (0.0.0.0/0) needs to access for example 192.168....

I have a PIX501 plugged into a network jack in a hotel, kind of a remote war room situation. The hotel's hospitality authentication solution requires a PC to access a web-page to authentication prior to giving it access to get out to the internet. ...

Has anyone come across the following - Even if I disable smtp fixup for port 25 on my pix the mail guard feature still seems to be active i.e.If I disable the mail guard feature: no fixup protocol smtp 25And I now try to telnet to my public IP from a...

hi,can any one help please,I have a NM-CIDS on a cisco 3845 router,I'm rying to telnet to it from the router (NM-CIDS already has an IP being configured (loopback0)) the problem is that I set a password for the session and forgot it, how can I recov...

HiI need to give a remote support company access to a server behind our firewall. This company currently access 2 of our servers already by using public IP addresses which map to the servers private IPs. Unfortunately we have no public IPs left to do...

About 6 months ago I finally got round to upgrading 2 of our pixes to 7.1 from 6.3. I didn?t use them until the other week when I found that the activation keys were no longer valid. After investigating I found that they needed to be upgraded troug...

Anybody have any good tips on managing a pair of PIXs or ASAs in Active/Standby or Active/Active mode with contexts with CSM? The documentation tells you how to add contexts etc, but not how CSM handles existing Contexts on import. Does CSM manage al...

Hello,We observed PIX firewall constantly sends out gratuitous ARP for its own IP address every 5 seconds.Is it normal?If so,what's the purpose?BTW,we have a pair of PIX .Thanks.

when i show service-module ids-sensor 1/0 statusi have the following outputService Module is Cisco IDS-Sensor1/0Service Module supports session via TTYService Module is failedService Module status is not availablewhat is the problem and how can i rec...

Hi,I have configure the PIX501 to have the following:Inside Int: 192.168.0.1Outside Int: 203.123.132.131From the PIX console, I am able to ping to outside IP ( external IP such as goolgle ..etc ) and I am able to ping to the server connected to one o...

Hi all,I have a pix 501 and I need to let Exchange traffic through. I had done this before and it worked for me, but this time its not working. I cannot telnet to port 25.Please help. See below for my configuration. I am sure its something easy, but ...

Hi All,I am tryiung to monitor my VPN Concentrator 3030 using HP OV NNM. I have done following configuratrion on my VPN Concentrator for this.Configuration | System | Management Protocols | SNMP Enable Port 161 Simultaneous Connections 4Configuration...

Dear friends....we are using cisco IDS 4235 with OS Version 2.4.18 and we want to upgrade it to the IPS 4200.my question here is what is the requirment that i need to do it are there any module i should get or what?thanks again.