Network Security

We had power maintenance last weekend and had to shutdown our 6513 switch. When we powered up, we discovered we could no longer send and receive emails to external users. Microsoft came in to say we had a problem with the mailguard on our firewall mo...

Hi GuysI've been banging my head against the wall for a few weeks trying to resolve this but the ASA doesn't seem to accept many of the old commands I'm used to.Basically we have a web server that runs on port 8080 and I need to give customers access...

I have a Cisco ASA 5505 that randomly crashes multiple times through out the day.  I cannot seem to find any logical cause but a simple reboot of the box always does the trick.  I have used the ASA at multiple locations without a problem. Any suggest...

Our cisco 5580 is very slow.  Wonder if we hit the limit or some sort of bugs.  Can anyone help?show perfmon PERFMON STATS:                     Current      AverageXlates                               91/s          0/sConnections                     ...

Hi Guys!CSC-SSM powered by Trend Micro for Anti-Virus,Anit-Spyware but what for the  Plus License with  Anti-Spam,Anti-Phising,Url-Bloking, filtering its Powered by Whom? does it power by trend-Micro either?who offer the categorizationhow this module...

Hi,I have an ASA5520 with AIP-SSM module.  I inspect in promiscuous mode.  Security vulnerability scans create tons of alerts in the IDS system.  I'd like to exclude certain IP addresses from the IDS. I tried to modify the inspection policy in ASDM b...

I am trying to telnet between two locations and  i am unable to inbound telnet to the ASArouter. I can outbound to the other location.I created access rules in the ACL on the ASA for the source and destination. But I still see the IP being denied in ...

Anyone has any idea ... about windows 2008 kerberos integration with NAC 4.1.8 .I know thru TAC that NAC 4.1.8 supports integration with windows 2008. KTPASS.EXE is a program that is used for these purposes on windows server.I am unable to get the ex...

Hi,Does NAC Windows patch remediation works with Microsoft SMS server? I understand it works with WSUS but is it able to integrate with SMS?Thanks.

We are adding an ASA 5505 to a network which contains older PIX 501 devices.  I have been able to create most of what I need from the Pix onto the 5505 but I am stumed one place in particular:  On the Pix there is a rule that alows any inside address...

Hi all,I have a doubt.I have 2 Cisco ASA5510 which are not identical.Failover seems to work, with sh failover I have this situationThis host: Primary - Active         Active time: 2803 (sec)        slot 0: ASA5510 hw/sw rev (1.1/8.2(1)11) status (Up ...

Hi all!I have a customer that has two offices connected to Internet at 4Mbit (site A) and 10Mbit (site B) using Cisco ASA5505, version 8.2(1). At site A they have an IP-PBX (VoIP) and at site B there are a few IP-phones. Some internal servers are als...