Network Security

We have a new 5520 in place that is causing problems with some inbound email to us from the internet. It is casuing a "sender timeout" message on the Barracuda spam firewall.I was able to correlate the following messages from the log with the sender ...

Hi;I Have a ASA 5510 on my network, which 3 networks (inside, outside, dmz). When a dmz host access a inside Host, works ok, but when a inside host try access the dmz host, the following message is displayed on LOG:Deny TCP (no connection) from hid-d...

Looking into setting up a guest network. We would like to give a certain amount of our internet bandwidth to the guest network and setup DHCP on the ASA for the quest network. The guest network needs to be totally segmented from our corporate network...

Hi all,can i block P2P connections like eMule, Kazaa, LimeWire...using ASA 5540?What should the best way to do that?ThanksTauer

HiI am trying to migrate to a ASA5505 from our pix.Most of our network uses PAT on our outside interface but I have a small pool of address which I NAT to on the inside, but when I do this they are unable to VPN out to remote sites.This worked great ...

We are facing one issue here, the issue is from router to firewall interface IP i.e. inside interface ip I can ping , but not the outside IP address i.e. 122.160.225.190from out side i.e. from external network I can ping the outside interface ip of t...

Hi All, We are trying to deploy IPS inline on Software in 2821 routers. The objective of this is to demonstrate ourself on deploying IPS functionality on this routers and testing the same to verify its working.We are thinking,if we could understand o...

Can anybody help me solving this prob?ISP Router Conf:1. One Public IP2. One Private IP 192.168.2.1PIX 515E:1. External Interface (Public IP with Default GW ISP Router)2. Private IP 192.168.2.33. Mapped IP for Terminal Server ( From Public IP Range)T...

Hi, I'm an entry level and recently certified CCSP and have a question about PIX to ASA migration. Since the PIX are soon to be end-of-life and Cisco is offering a promo on migrating to an ASA, I will be migrating several firewalls.Once again I'm ent...

I have a Cisco 515e running 7.0(1) and would like to allow a single public IP to translate traffic to different internal hosts on my network by what port they are trying to access on the outside. So for instance if someone entered X.X.X.X:85, the pix...

If I get ASA5510-SEC-BUN-K9, how do I add IPS and content security to this appliance. Also how Many DMZ interfaces will it have? Do all the ASA 5500 series support DMZ interface?

I have made an ACL to be applied to an edge router of an ISP. Please review and comments.I am a bit confused about the first line.abut permitting established connections.Is its placement ok and if i need it?Plz commentsaccess-list 110 permit tcp any ...

My boss is seeing authentication failures from his SNMP server. My question is how do I using the logging inside of the ASDM to log authentication failures, and detect where are they coming from.