Network Security

I use my router itself as a DNS forwarder. Unfortunately when a domain query is requested on the LAN side, the packet is sourced with the ouside interface IP address which is ouside the EzVPN tunnel and thus the reply does not find it's way back. C...

I'm having a heck of a time getting my 871W router to do a simple dhcp binding. I want to set up dhcp binding so I can use dhcp on the client machines, but always know the ip address so I can use monitoring software or web/ip connections to fixed ad...

HiPix model: 515EOS Version: 6.3(3)Trying to connect through consule. System stuck after the following msg:CISCO SYSTEMS PIX FIREWALLEmbedded BIOS Version 4.3.207 01/02/02 16:12:22.73Compiled by morlee32 MB RAMPCI Device Table.Bus Dev Func VendID Dev...

Dear all,We are using NIDS - 4250 for the last 15 months.We are continuously monitoring its disk & memory usage. We found from starting the memory usage is increasing normally & gradually(1% in 40-50 days). But for the past two months we are finding ...

The ASA was configured and I was working remote through SSH and Telnet.Without any messages the ASA doesn?t respond any Telnet and SSH request, and I tried to go with ADSM tool and I got the following messages:"ADSM is unable to read the configuratio...

I can?t connect to console in a ASA 5540.I was working checking some configuration lines and I got disconnect and now it?s impossible to get into.is there any way to get console without reset the ASA ?

Hello Experts,If anyone can help me on this and provide some sample configuration will be great.note: We have not yet purchased a 877 but planning too do so...The pix has more than 5 ip add i.e.*.*.*.1 Outside*.*.*.2 webserver published*.*.*.3 SMT...

When a service-policy is attached to an interface, for example, a policy which defines an outbound QoS policy, is the global-service-policy still in effect, or does it need to be merged with a user-specified policy. In other words, does an interface-...

Hello,i'm using a pix 525 as a dhcp relay for 2 isc dhcpd servers. I enabled the "Set route" option in asdm for each vlan, but client continue to see the dhcpd servers. The pix doesn't rewrite the server filed in the dhcp reply. When the client tries...

Good morning I have upgrade the relase of my Pix Firewall, from 6.3 to 7.1(2)Now I need the feature floodguard, (which I had enable on 6.3) but I don't find the CLI to enable floodguard, anyone know the right command line to active it?I've read the l...

Hi,As far as I uderstand nat 0 doesn't translate anything, the same IP appears on both sides of the firewall. This could be the case if we are having registered IP addresses on the inside and outside.If the packets just flow from one interface to ano...

I was trying to customize the siganture with IPS manager in CSM3.0.Any changes in CSM3.0 only displays in the window but looks like it is not been applied to IDSM2 which has IPS v5.1.The same change If I make through IDM to idsm2 it works fine.This ...

Hi,There's something strange.After executing a "write erase" command on a pix, it can't boot completely and we can't get the prompt.before, it worked fine.

Hi,Here is the syslog outputPIX-6-302013: Built outbound TCP connection 429209865 for private:10.251.1.65/80 (10.251.1.65/80) to inside:10.3.0.113/1298 (10.3.0.113/1298)PIX-6-110001: No route to 10.251.1.65 from 10.3.0.113I get this error even after ...

Hi,I am having IPS 5.1. Since after S226, I have not been able to download Sig Updates from behind the IPS. I have to manually download the SigUpdates from a different location and transfer it to the Station from where I can updae the signatures. I h...