Network Security

We just implemented a 2851 to replace an ailing 1760. It acts as a firewall with static NAT translations pointing to various internal servers.One of those servers, a Curio email server, can no longer send email. When we do a "sho ip inspect sessions"...

I have a customer whom has a "permit ip any any statement" configured at the end of an ACL on his inside Firewall. This same statement is not configured on the Firewall that is on the OUtside Perimeter of the network.Each time I have tried to remove ...

so it would seem on ASAs running 7.x....proxyarp is enabled by default and I have run into multiple instances where not disabling it causes problems with connectivity between two hosts connected to the same switch as one another on one side of the AS...

Hi, What is a way to verify the latency. Suppose I am doing ping one locl machine and it responce 10 ms and one of the machine is located on other location and when I do ping then it shows 100 ms so how may i check and verify that the 100ms latency i...

Hello,I am having the following issue with a videoconference call. I have an ASA-5520 in transparent firewall mode in the middle of a LAN connections between two campus.When I remove the firewall the videoconference works fine.When the firewall is co...

Can someone clarify just what the 10 IP license gets me? Is it limiting only 10 concurrent VPN connections to the ASA 5500? Thanks,-Al

I'm in the process of setting up 2 ASA 5510 with Active/Standby Failover. I'm in the process of testing right now. I have a question about the Anti-spoofing feature. I've done some reading and got some mixed suggestions. Should just be turned on my o...

Hello sir,We are using cisco works LMS 3.1 and Hum version 1 in our network.In common service Job information status, we getting error 1019.2306 QUICK_INTERFACE_UTILIZATION_REPORT_JOB Failed 1189.265 QUICK_INTERFACE_AVAILABILITY_REPORT_JOB Failed The...

Hi,Is it possible connect to SCE boxes using SSH protocol without entering the password ? I mean something like adding client SSH keys to "authorized_keys" file on some unix ssh server. Thx for infoRobert

I am seeing allot of ARP requests that looking like the switch is scanning our network and incrementing by one....like something has a virus. Here is what I am seeing in the switch....Aug 12 19:12:54: IP ARP: sent req src 10.0.0.254 0021.1b83.0000, d...

Dear allWe 've 2 ISP provider.But i 've seen failover disabled in licence tab.Lan users access internet thro one gateway.(for ex 192.168.1.1).DNS varies to ISP provider.I configure one isp provider DNS in one pc and other pc 've other ISP provider DN...

We currently have a FTP server on our DMZ. We are unable to acces the FTP server from an internal host even though their is an ACL present and we see the ACL taking hit counts. If we use NSLOOKUP on the host trying to access the FTP server and then t...

We are considering using IOS Server Load balancing to balance traffic over several PIX 515 firewalls. I have two questions,1. Will this work if the firewalls are in transparent mode, all the examples I've seen show th firewalls in routed mode.2. We h...