Network Security

I have IPS enabled on interface g0/1 within my Cisco 3825 router. I have a Dell 5324 switch connected to my servers that connect to g0/1 of the IPS Cisco 3825 router. If that Cisco 3825 router loses communication with the Dell switch, will IPS rest...

I have an MPLS network, with a main site running hosted applications [10.10.x.x/21, Router - 10.10.0.254], and 3 other sites [10.11.x.x/21, 10.12.x.x/21 and 10.13.x.x/21; GW for each router at each site is 10.11.0.254/21, etc.].I have the 10.10.x.x/2...

Need advice on how to block external pings to the outside interface on ASA 5550 running version 7.2(1). I created ACEs and applied them to the outside interface but I'm still able to ping. Any help would be most appreciated.

I have a cisco pix 506 and 9 cisco pix 501's the pix 506 is the main firewall that all the 501's VPN into... I have started logging on my pix 506:ABVALVE-PIX(config)# show logSyslog logging: enabled Facility: 20 Timestamp logging: enabled St...

Hi,I have 2 context's who are sharing vlan on a outside interface. They have ip's in a same subnet. Inside interfaces are in different vlan's. I have trouble with inter context traffic and by that i mean that i cann't establish traffic between contex...

Hi, I have pix with 7.2(1) running on it. I want to block ebuddy instant messaging. I can block msn and yahoo without issue. Is there any way to block ebuddy?Thanks

I have a question NAT in Cisco ASA. I would like to let PC in DMZ segment to access the POP3/SMTP of Internet resource. All IP of PC in DMZ is 192.168.1.0. And I would like to run Network Address Translation (Single Real IP to 192.168.1.0) Can I do ...

Hi all. My headquarters office is link to all other subsidiary office using site to site vpn. Currently i need to implement an accesslist on each of the pix/asa firewall of my subsidiary to limit what they can access on my headquarters. This accessli...

Hi,I have a cisco ASA 5520 and connected as a trunk I have a Cisco 3750 with a VLAN for our WAN office.This remote WAN office has a router which uses DHCP relay back to our LAN where the ASA is, we don't manage the router and have to pay money for an...

All,I've set up an SSL VPN for a 3000 series concentrator, and I was wondering if the ASA has the same functionality. I found the WebVPN piece, but I don't think this is what I'm wanting.The SSL piece for the concentrator was I could go to a website ...

I'm trying to connect to my office network (which has a Cisco ASA 5505) with my Cisco VPN Client (v. 5.0.04.0300, XP SP3).Although it works well from my home network (simple wifi with router), it is not as good from my university network.From there I...

Is it possible that Syn and Scanning attack can bring down my network?Especially can my internet goes unusable?I checked the logs and after syslog error msg 733100 and 419002.Now internet comes back only after restarting my router..This is happening ...