Network Security

I have an asa5510 where only my email server can send emails smtp port 25 to outside.  I need my webserver inside the firewall to be able to send emails to outside also.. how can I open port 25 just for that server.. any help will be appreciated..

I recently purchased the new Cisco Valet Plus (M20) router.  Trying to get all the settings created for my xbox.  I created a static IP address for the xbox and opened the following ports:     53        Both     80        TCP     88        UDP       ...

Hello Experts,I have just setup a remote VPN on Cisco ASA Firewall of SITE A which is working fine from outside network but when i try to connect with VPN from SITE B whereon the Cisco ASA firewall is also deployed then it doesn't work.I allow only i...

Hello,I have Guest Nac Appliance & WLC 5508, but I want to know,1.  IF CAN I USE THE SAME USERNAME AND PASWORD AUTHENTICATED IN GUEST NAC  IN 3 DEVICES? example: Lap Top, MAC, Iphone.2. How many usernames can be stored in Guest Nac: NAC3310-GUEST-K9?...

Hi,Does anyone know if when you're setting up this topology and configuring VLAN mapping, if you need unique Auth VLANs for every Access VLAN?  Or can you use one Auth VLAN and map it to multiple Access VLANs.  I assume you need unique Auth VLANs.Tha...

Hi,Does anyone know if the IOS Resilient feature available in routers (http://www.cisco.com/en/US/docs/ios/12_3t/12_3t8/feature/guide/gtrescfg.html) are also available in ASA?I tried to issue the "secure boot-image" in my ASA 5200 but the command is ...

Hi All,I would like to know if there is any best practice document for Firewall logging. This would include1. What level of logging is ideal2. If a log is stored in a logging server, how long is it best to store the logs and retain the logs by a back...

We've installed LMS 3.0 and successfully did the device discovery & data collection but we often observe that the latency increases when we ping to the core 6509 switch.We found that the cpu processor is shooting to 99% mostly due to the SNMP ENGINE ...

I'm looking for a good software solution to primarily log the nat and pat xlate logs.  I will be watching about 70000 users over two 2gb pipes so a good archiving system would be great also.Thanks in advance for your help,Eric

Hi, can somebody drop me the snmpwalk command to get infos from a FWSM context.My customer tried a lot and does not get info from a context.to address context admin:snmpwalk -v2c -c communityi§admin FWSMhostname      .1.3.6.1.4.1.9.9.109.1.1.1.1.5.1 ...

Dear AllI have configure 2 Cisco ASA 5550 firewall in Active Standby . Both the firewall are connected back to back . Both the firewalls are running software version  7.2(3). Below are the detais .The poblem ia am bale to telnet the active firewall b...