Network Security

How to allow traffic (imap , smpt) to gmail ?

Hello Networkers:We have a monitoring system that allow us to create a "robot" in order to excecute specific task. We have configure our robot to open a session into gmail and send e-mails to our mail servers. The robot will also send e-mails to gmai...

Multicast issues - (security-failed) Early security checks failed

folksi setting up an asa (5540) to allow multicast traffic from an upstream server, on a DMZ interface, through to the inside interface so i'm doing a bit of preparatory investigationthe streaming server is 10.12.65.12 and i have an mroute statementm...

QoS ASA 5505 policing

Hi All,I'm looking for some assistance on QoS policing configuration on an ASA 5505.The ASA is situated behind a cable modem which provides an SLA of 3.2Mbps out.I've configured a QOS policy to place VoIP and other essential traffic (RDP/Citrix/PCoIP...

5555-X CX support ?

We currently run a couple of ASA 5555-x firewalls in active standby mode. They are working really well.But I have a few questions.Can I run CX on these firewalls ? Where do I start ? I assume its a software module on the this firewall and needs a lic...

Resolved! ASA5505 8.4(6) Static Nat Problem

Hi,I really need some help with static nat config on ASA 5505 8.4.(6). I replaced a PIX501 with ASA. The PIX was able to forward WWW, HTTPS, and SMTP traffic from the internet into the internal network where 2 servers host the services, but it does n...

Unable to use ASDM on 5510 and 5520 ASA

Hello,I have been working with ASA's for about 8 months now. I have a 5520 that is brand new out of the box and a 5510 that I blew up last week (read as format disk, start from scratch).I have generated RSA keys, loaded license keys, loaded IOS's an...

Resolved! Syslog best practices

We need to have our syslog server facing the internet to aid in troubleshooting clients. And it's random when I'd need it and I'd rather not be going back to the firewall and opening the port while i need it, shut it down later, open it again, and s...

Resolved! ipsec gre tunnel through ASA

Hi,the setup is as below;WAN Link --> Router --> LANNow, we are installing a ASA to sit between the WAN link & Router as,WAN Link --> ASA --> Router --> LANThe router is already running an ipsec gre tunnel. Now, we need to let the tunnel pass throug...

Resolved! Difference between 5512-x SSD/non-SSD

What is the difference between these models:ASA5512-SSD120-K9ASA5512-K9Is it simply the inclusion of a 120GB SSD - if so what is the benefit of the SSD?Thanks!

Resolved! Enabling Antispoofing on Management interface

Hi Everyone,I read about Anti spoofing in ASA and know how it works.Normally it is config on outside interface of ASA if you want to prevent syn attack coming from outside world.Is it good idea to config Anti spoofing when you...

Management interface for Failover

Hello,Please let me know Can we configured manangemet interface for lan based and statefull failover in ASA 5540 (Running 9.1 version).Current Configuration for the interface is below.interface Management0/0 management-only nameif management security...

Resolved! ASA Multiple context sharing Outside interface

Hi All,I have question regarding the ASA when working as multiple context mode.If output interface is shared by two contexts and both have different IP address.Is it possible that outside shared interface can have same mac address for both the con...

[ASA5510] 8.4(5), outside PPPOE interface not available in site to site VPN

Hello all,We have a Cisco ASA 5510 with:version: asa845-k8.binASDM: asdm-711-52.binInterface "Outside" is a PPPOE configuration.We currently have 36 site to site VPN connections up and running through the "Outside" interface. Now when we try to add, ...

ASA loopback

Hey all,Can someone please explain me why does cisco firewall doesnt have a loopback interface while other vendors loke palo alto,F5 and juniper does have.Thanks .

Ask the Expert - Firewall Security and Troubleshooting VPN for Adaptive Security Appliance(ASA)

Learn and ask questions regarding Firewall Security and Troubleshooting VPN for Adaptive Security Appliance(ASA) . This event will be a continuation of the live Facebook Forum.Bhavik Joshi is a Network Consulting Engineer with Service Provider Del...

Network Security

Forum Posts

How to allow traffic (imap , smpt) to gmail ?

Multicast issues - (security-failed) Early security checks failed

QoS ASA 5505 policing

5555-X CX support ?

Resolved! ASA5505 8.4(6) Static Nat Problem

Unable to use ASDM on 5510 and 5520 ASA

Resolved! Syslog best practices

Resolved! ipsec gre tunnel through ASA

Resolved! Difference between 5512-x SSD/non-SSD

Resolved! Enabling Antispoofing on Management interface

Management interface for Failover

Resolved! ASA Multiple context sharing Outside interface

[ASA5510] 8.4(5), outside PPPOE interface not available in site to site VPN

ASA loopback

Ask the Expert - Firewall Security and Troubleshooting VPN for Adaptive Security Appliance(ASA)

On-Demand Webinar: B&M Security Transformation with Cisco XDR

Congratulations to the Event Top Contributors Class of 2024!

Knowledge Hub: Cisco Technology for Securing the Enterprise

Cisco + Splunk: It's a new day for your data.

Announcing Resources That Guide You to Success

SSL Policy Not Applied to Wikipedia Domain in Cisco Firepower 6.3 (EVE

Cisco FMC upgrade 7.2.5 to 7.4.2 issues

Cisco FTD SNMP OIDs for Site-to-Site and Remote Access VPN

WCCP Flex config Fails

Migrate port based rules to application based

Cisco FirePower

keep security zone on FMC

Functionality Differences Between FPR Models

Unable to clear health alert "Interface Status" in FMC ver 7.2.5

Bidirectional ASA ACL to FTD ACP